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these footwear were being manufactured by using silicone along with cloth.
idelbnd
 Today, 03:02 Post #226412

Nike Air Max 90 outlet sale In relation to the word Nike, it comes coming from a Greek word, referring to typically the goddess of victory. By simply manufacturing its own products, for example the Nike Golf, Nike Expert and Nike air, Dolomite Company gets its manufacturer known in the market. Soon after in which, the first retail store of Dolomite products was born with brand of Nike town. Aren't used . also sponsors of Nike Firm; they are mainly the a fact athletes in the entire world, or maybe sports teams.
Nike Air Max 90 sale Most of the Brand-new shoes are suitable for road working, as they have the rugged outsoles to tighten your proper grip against the ground. "I recognized I had to take the team's point man. " John said, "I like to always be known as the point guard? I truly do not know. " Actually he knows. A minute after, he said: "I loathe being called a guard, nevertheless I can not let other people to seal up. "
Nike Air Max 90 Candy Drip It is fine that this shoes, as the Dolomite Hyperdunk, are ignite thus it can promote the working rapidity and jumping on the sportsman. And the light no longer interfere the running pace and jumping to the vacation spot of the player. Well one particular more Nike making which is referred to as Nike Air Jordan XX3 has become enjoy of plenty of sportsmen. An incredibly unbelievable design which products the shoes performance is very important matter, let alone taking the indicator of the well-known Michael Jordan.
Discussing a history of the Adidas training companies, most of these shoes were to start with manufactured by Rudolph Dassler along with Adolf in 1920. At last, that they came into view from the Amsterdam Olympic Games in 1928. non-etheless the Adidas ended up being offered in 1956 with the Melbourne Olympics. In the beginning, these footwear were being manufactured by using silicone along with cloth. Official Nike

www.airmaxos.co.uk
Thank you Ndhlovu
carters
 Yesterday, 11:46 Post #226411

1...2...3 - check for a pulse.
Garbage Transfer Equipment to Reduce Landfill Space
adtolily
 Yesterday, 10:36 Post #226410

Nowadays, the environment become the worldwide topic, and we all want to keep a clean and long-time good space for ourselves and our kids. Garbage transfer equipment started turning up as skip loader, hook loader, trash compactor etc. Garbage compactor use electricity to ram garbage into a compaction chamber, shrinking trash volume by as much as 80% and cutting down on the number of trips from the kitchen to the garbage can, then skip loader or hook loader will dispatch it to a wasteyard and the garbage will be burned or buried.

From a green perspective, though, there’s no compelling reason to buy a garbage compactor. It will reduce the volume, but not the weight, of material that goes into your garbage can. Garbage trucks also compact trash so home compactors may not save much landfill space, and they don’t make any difference if your garbage goes to an incinerator.

If you pay for garbage collection by volume, a trash compactor may save you money. But that’s not a plus for the Earth–especially if it encourages you to produce more waste.

Top Tips
Keep it simple. An Earth-friendly alternative to a trash compactor is an ordinary trash bin in the kitchen lined with reused plastic or paper bags from the grocery store.
Reduce, reuse, and recycle. The greenest trash is the trash you don’t make. Don’t buy products you don’t need, avoid overpackaged items, and buy in bulk. What you can’t reduce, reuse. Repair things that break instead of throwing them away. Avoid single-use products if there’s a longer-lasting alternative. For example, use cloth napkins instead of paper. Borrow instead of buy. What you can’t reduce or reuse, recycle. If you’re diligent about these three “Rs,” the trash that’s left each week will be mostly nonrecyclable plastics, and the volume may be low enough that a garbage compactor will be superfluous.
Compost. Keep food waste out of the trash by turning food and yard waste into nutrients for your garden. It’s easy–and you can learn how in our composting section.

Other Considerations
A full compactor bag can weigh as much as 50 pounds. Some people will have difficulty lifting and hauling that much weight.
Most trash compactors have charcoal filters to reduce food odors. Some compactors also use “air fresheners”–synthetic fragrances that mask odors. People with chemical sensitivities may not be able to tolerate those fragrances. Also, some companies advertise compactors bags with “odor-absorbing additives.” What these additives are is not disclosed and how they might affect home health is an open question.
Trash compactors typically cost between $400 and $1,000. The units offer similar features. For more money you’ll get more style, a luxury label, larger capacity, and greater compacting force. Beware of the hidden costs that can add up: one-time-use compactor bags made of plastic or paper (with a moisture-resistant lining) and replacement of charcoal filters every six to nine months and fragrances every four to six weeks.

Benefits
If you pay for garbage collection by volume, a compactor can reduce your garbage hauling costs. But a more environmentally friendly way to reduce those costs is to compost and be diligent about the 3Rs: reduce, reuse, and recycle.
Workplace Design Trends 2017
adtolily
 Yesterday, 10:30 Post #226409

1. OPEN PLAN CONTINUES
Modular Office Systems Collaboration Office Furniture

Over the past decade, open workspace designs have continued to grow in popularity. In fact, a recent workplace study illustrates that nearly 75% of employees now work in open plan workspaces. Even with all of the positives associated with open offices, the obvious can’t be ignored: distractions occur almost every 11 minutes in open offices, and employees need on average another 20 minutes to fully refocus. How will this affect the workplace of the future? Will this affect the trend of open spaces? The team at Regalmark forecasts open offices growing stronger, but with the need for intelligent strategies to accommodate noise and disruption.

2. COLLABORATION GROWS
Huddle Zones

Collaboration remains king and will always be one of the most important components in the future of office spaces. Many clients still reach out to us asking how we can design an environment that will help foster collaboration and create high-performance groups (teams) of employees. The challenge is always how to create a workplace that effectively balances collaboration with concentration.

3. MODULAR BEGINS
Modern Office Design DCTop designers and architects are happy to talk with clients about the importance of collaboration in the workplace and how to create a high performance environment, however, many times what they fail to discuss is the importance of utilizing modular office furniture and modular construction components in the workplace. Now add in the cost factor – office build out construction costs have risen as much as 100% in the last 10 years and major cities such as Chicago and New York City have some of the highest build-out costs in the world. The takeaway: modular construction should be at the forefront of all design-planning discussions.

In addition, the average business in America experiences a churn rate of approximately 45 percent, which means the workplace must be a dynamic space that keeps pace with evolving business demands throughout the year.

4. THINK ZONES
Activity Based Working FloorplanSo when we put this all together, what we’ve learned over the years is that collaboration remains a key business imperative, most employees now work in open offices and must contend with the issue of distractions as a result. So the question remains – what does this all mean for the future of office workspaces? Lets first point to the research – our best workplace strategists and designers got together for a group discussion and learned that employees are much more productive and engaged when they have freedom of choice and flexibility to work when, where and how they want. That said, the office of the future translates into an environment comprised of different modular work zones to meet many working styles and unique tasks. For example, a “café zone” can work to support several functions including meeting space, fun zones, team work and much more. Modular phone booths and conference pods offer privacy spaces within this open plan office environment. Huddle spaces create neat, informal meeting spaces for the impromptu meeting on the go. Gone are the days of wasting valuable office time searching for a conference room to meet.

5. INNOVATIVE COMPONENTS
Here’s a short list of the central components of the workplace of the future and the roles these units play in the entire picture.

Sit-stand

Sit-Stand BenchingThe hazards of prolonged sitting at the office have been well documents – sitting is the new smoking, leading to health complications including cancer and high blood pressure. Sit-to-stand desking is a workplace wellbeing necessity today, and through our research; we’ve gathered that workers who used sit-stand desks were 78% more likely to report a pain-free day than those who used regular, stationary workstations.

Office Phone Booth

The leading cause of distractions in the workplace is co-workers talking on the phone. Modular office phone booths are the ideal remedy as they offer instant privacy to those who need to make a phone call in an open office setting, and because of their acoustically-sound construction, prevent this conversation from being heard by anyone else in that open space. These units are placed within certain open office “hotspots” for simple access.

Conference Pods

Modular office pods and conferencing media furniture allow meeting zones to be set up quickly, offering privacy in the open plan office. They are highly reconfigurable, so meetings can simply set-up shop wherever they need to be, in real time.

Modular Glass Walls

Modular glass walls can be set up to create rooms without traditional fixed construction methods, and the benefit it twofold – they provide the private spaces within open plans, while still allowing natural light to flow throughout the entire space – all at a much lower cost than partition walls.

In sum, the office of the future is about creating a work environment of evolving spaces where workers are empowered through the power of choice within a flexible work environment.
Installing Drywall Metal Channel Furring Strips on Concrete Ceiling
adtolily
 Yesterday, 10:23 Post #226408

In apartments that I have renovated it is standard to install metal channel furring strips. If you want depth you cross these with 1x or 2x4. The channels you glue and screw into ceiling. The wood is screwed into the channels. There are plenty of LED lighting kits that are sold now that can fit into 2-3 inches of space.

The difference is ours has preset holes on the lips for drilling, the lips are a little wider and I am pretty sure it is a thicker gauge than this. Do not use the cheap/thin metal furring strips from big box. They might work for concrete walls but not ceilings.

We install these every 12-16". 12 if doing 2x lumber which I think we have done once. The installation of metal studs standard sizes is dependent on the type of concrete. Often the owners of the property have told us what other have used and we follow that. Most of the time it is tapcon with semi-predrilled holes. Note that the strips should be glued before being drilled. Also note that the stronger the glue the more chance you take out chunks when uninstalling - that's a different question though. For the screws practice before you go in with a plan. Don't buy 300 of a type of screw and then find it will take 20 mins per screw doing it that way. How many screws you need is dependent on the flatness/shape of concrete and how well the furring strips have contact. Most installs I have done were two screws on the ends and then stagger sides every 12-16". A 20' strip might have just 15ish screws.
We leave a small gap (1/8th") on each wall and try to run them the entire length.
We then install L channels on the two walls that hold the ends. We try to get a very thick gauge and hammer L channel up so that it is effectively holding the channels.
Differ Sheetrock and Drywall
adtolily
 Yesterday, 10:18 Post #226407

Whether you are new to the industry of renovations or if you are a veteran contractor who is simply curious, you may not know the difference between sheetrock and drywall. When comparing these two materials, it is similar to comparing Kleenex and generic facial tissues. Essentially, one is a name brand and the other is a generic brand. With that being said, here’s a more thorough explanation.

What is Drywall?
Drywall is one of the most commonly known materials used in the construction of homes to produce flat walls and other important surfaces. One sheet of drywall includes gypsum, which is essentially a type of rock that was turned into a powder and put in between two pieces of incredibly thick paper. When you are ready to install the drywall you will need to use screws or nails to attach it to the metal stud partition of the room and then fill the seams between the pieces of drywall with joint compound. In comparison to traditional methods such as plaster, drywall is far easier to install and to perform drywall repair.

What is Sheetrock?
Sheetrock is a brand name for drywall (like Kleenex) and this brand includes a variety of different pieces of drywall that come in different thicknesses. The line of Sheetrock products also includes specialty products such as fire-resistant walls or panels that help to prevent the build-up of moisture. With that being said, Sheetrock essentially deals with drywall but provides customers with the opportunity to purchase specialized panels depending on their personal needs. Contractors and home owners can also purchase drywall tools that are branded under the Sheetrock name.

The Differences
As previously mentioned, there are limited differences between drywall and Sheetrock. Sheetrock is simply a company that provides customers with the opportunity to purchase drywall and drywall products but their products are the same as generic “dry wall”. To refer back to the Kleenex versus generic brand analogy, Sheetrock is a name brand much like Kleenex, and drywall is the same product, just without a brand name.

Many contractors find it advantageous to purchase products from Sheetrock whereas others find it advantageous to just use generic brand drywall. Consumers often get the two terms mixed up. Practically speaking, they’re the same thing. If you call us and say that you need a quote on Sheetrock repair or installation, we’ll know what you’re talking about.

Sheetrock is not the only term that is often confused with drywall – “stucco” is another one. Stucco is an exterior siding product, so it’s not even close to being the same thing.
ASTM Light Gauge Metal Stud Framing
adtolily
 Yesterday, 10:09 Post #226406

The light steel stud framing phase of a project significantly impacts several other trades. It is no secret that good planning and practices will achieve higher production rates and a level of quality that meets the project's specifications. Planning and layout should be the responsibility of the project foreman; however, everyone should be involved with preparing the work flow. While actual layout is underway, other production items should also be thought through.

For example: arrange for a step ladder or get scaffolding set up, stock the area with correct materials, string out proper electric cords, set up an efficient place for the chop saw, and, if required, secure adequate lighting. These steps may seem inconsequential, but if they are not attended to beforehand and work has to stop so that someone can “go get it,” production is slowed down.

American Society for Testing and Materials (ASTM):
ASTM A653 / 653M Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process. This specification covers steel sheet, zinc-coated (galvanized) or zinc-iron alloy-coated (galvannealed) by the hot-dip process in coils and cut lengths.
ASTM C645 Specification for Nonstructural Steel Framing Members. This specification covers nonstructural steel framing members in interior construction assemblies.
ASTM C754 Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Product. This specification covers the minimum requirements for the installation of interior nonstructural steel framing and furring members designed to receive screw-attached gypsum panel products. The metal framing members noted in this specification are limited to those complying with ASTM C645 noted above.
ASTM E488 Standard Test Methods for Strength of Anchors in Concrete and Masonry Elements. These test methods cover procedures for determining the static, seismic, fatigue and shock, tensile and shear strengths of post-installed and cast-in-place anchorage systems in structural members made of concrete or structural members made of masonry.
ASTM E1190 Standard Test Methods for Strength of Power-Actuated Fasteners Installed in Structural Members. These test methods are intended to measure the anchoring capability and shear resistance of power-actuated fasteners to provide information from which applicable design values are to be derived for use in structural applications, such as in members of concrete, concrete masonry, and steel.
Non-load bearing or non-structural metal studs and framing are not designed or intended to carry any axial loads. Axial loads would include such elements as floor joists, ceiling joists, roof rafters, or roof trusses. They are, however, designed to carry the dead load of many typical wall finishes such as gypsum board, plaster work, or similar finishes, and to provide resistance to normal transverse loads. Lateral loads cannot exceed 10 lb/sq. ft on a steel framed wall system as defined by ASTM C645.
Components of Interior Wall Partitions
adtolily
 Yesterday, 10:05 Post #226405

Light gauge metal framing used for interior wall partitions comes in various shapes, thicknesses, steel stud framing sizes, and finishes. Each of these components has a specific function in the wall assembly. Selecting the correct size and thickness will depend primarily on the spacing of the framing members and the height of the wall. Center to center stud spacing for typical interior applications will either be 12", 16", or 24". Other considerations in the selection process include the makeup of the wall finishes, whether the wall finishes will be applied to one or both sides, and impact resistance requirements, if applicable. As a general rule of thumb, interior walls of a public space may require more resistance to impact than do those of a private office.

Typical Components of an Interior Wall System
Studs (S)
Tracks (T)
U-Channels (U)
Furring Channels (F)
L-Headers (L)

Metal studs are typically manufactured in lengths ranging from 8'-0" to 24'-0" and tracks which come in 10'-0" lengths. These are referenced by manufacturers with the acronym S T U F L. In addition to this acronym, other series of numbers are used to identify specific framing members, as shown in the gallery below. The smaller the gauge number the thicker and heavier the metal stud will be. See the Minimum Steel Sheet Thickness chart in the gallery below for a comparison of gauge numbers to actual metal thickness.
The Cost to Install Drywall in a Single Room
adtolily
 Yesterday, 10:01 Post #226404

Drywall, also called sheet rock or wallboard, is a material that is used for most modern homes and buildings to serve as sturdy walls and ceilings. The cost to install drywall in a 12'x12'? bedroom with a ceiling height of 8' is $200, including labor and materials.

Cost breakdown
The average costs and materials associated with a project like this would include:

The Drywall 1 - The room described above is going to demand around 600 square feet of drywall 1 to cover the walls and the ceilings. These will be sheets sized at 4'x8' and cost around $9 each. This means that roughly 20 sheets are required for this project, which will cost around $180 total.
The Materials - hanging drywall 1 means the use of special 1 1/4" drywall 1 screws with standard metal studs sizes. These are sold by the pound and contain around 300 screws in each pound. Most carpenters estimate that they will require roughly one pound for every 500 square feet of drywall 1 installed. The average cost for a single pound is $6, which means that around two pounds will be necessary for the project, at a cost of $12. There is also the need for specialty "tape" and the joint compound 2 or "mud 2" required to complete the job. Most carpenters apply a unique mathematical formula to their work, with most dividing the square footage of the space by 7.25 to determine the number of pounds of mud to buy. For this example we would end up with the need for around 85 pounds, or two 45 pound pails that cost around $14 each. Lastly, the tape used to cover the joints between the sheetrock 3 costs only $4.50 for every 150 feet, and a single roll should complete this project;
The Labor - Around 50% of a drywall 1 project is going to be directed at the labor, and the site goes on to state that most consumers can expect to pay more than that with average per sheet prices around $30 each. It is extremely important to sit down with the contractor selected for the project and to work out each item that will be completed, and the exact costs for them. Asking for a few quotes and demanding proof of insurance is perfectly acceptable as well.
Additional considerations and costs
Clean up - it is vitally important that the homeowner establish the fact that the contractor is going to provide a comprehensive cleanup at the site. There are many stories of homeowners left with dust and debris all over their homes, and this is something that is easily avoided through honest negotiation and discussion before beginning the work.
Controlling Drywall Dust When Mudding
adtolily
 Yesterday, 09:55 Post #226403

When the popcorn has been mostly removed, and the box for the light fixture has been moved 2.5 inches to the right .
There are some drywall plastering masters can mud almost without sanding. For the rest of us, sanding drywall between coats is a chalky nightmare. We’d had some experience working overhead on ceiling drywalling projects and galvanize steel wall angle profiles, and we knew we wanted to do a better job of controlling the dust this time. The solution turned out to be a $25 dollar investment in a sanding screen vacuum attachment for our shop vac that we were glad we’d made. Even when sanding overhead, it worked very well to minimize the dust.

Removing the telephone jack was easy – we simply unscrewed the jack and put a small piece of drywall in the hole that remained. Drywall would erase any evidence that there has ever been a jack there, creating a smoother look in an area where we didn’t need to draw attention.
Drywall Partitioning in Home
adtolily
 Yesterday, 09:40 Post #226402

Firstly, drywall is the process of installation of indoor walls without the use of bricks and mortar, making it very quick to install. With the use of gypsum boards, a recycled paper covered panel of compressed gypsum used as the primary wall covering in almost all homes, drywall partition offers quick erection and a cost effective building alternative that can be finished to look like a plaster wall.

Drywall is not a new product and is used extensively as a construction material in the U.S. Drywall has a number of advantages over plaster, ease of installation being the most obvious. Any reasonably handy person can refinish a room with drywall partition systems, and you don't have to have any training to do it. For home improvements or adding architectural elements to a home drywall is ideal. It can be curved, arched, shaped and moulded according to your specific design requirements. It can be used to section off areas for additional rooms.

How is this product installed?
Steel frames are set in place and form the foundation for fixing the boards. These are easily cut and shaped. Once the steel framework is in place, boards are fixed with a range of fasteners that are readily available for use with this product.

Where can drywall be installed?
Because the product is moisture resistant, drywall can be used almost anywhere in the home, including:
Bathrooms
Kitchens
Steam rooms
Indoor swimming pool areas
Sculleries and Laundries

What are the benefits of drywall?
Since this product is manufactured using Gypsum, it has the ability to insulate and maintain a constant room temperature. The excellent non-conductive properties of drywall insulate against heat during the summer months and retain warmth during the winter months. By using drywall you will reduce your energy bills in both winter and summer.

Architectural details:
Drywall can be arched and shaped to create unique features in your home. The product offers complete flexibility for creating recessed and niche walls. Drywall is undoubtedly an excellent building method. It is relatively inexpensive, it performs well in most applications, it is easy to install and it looks great when finished and painted properly.

Why is drywall cost effective?
When using drywall partition system including the steel stud, metal track, wall angle for the addition of internal walls, no foundations or brickwork is required, there is less inconvenience, less mess and less time required for the construction - and these are just a few of the reasons why drywall is great for internal renovations and improvements. Although the installation of drywall is fairly simple, taping the joints between panels and plastering on a smooth finish requires some practice. Some do-it-yourselfers install the drywall themselves, then call an experienced drywall taper to finish the job.
ADTO
adtolily
 Yesterday, 09:29 Post #226401

ADTO GROUP, founded in 1998, is one of the largest steel tube & scaffolding R&D, manufacturing and trading group company in China. The company has fulfilled the construction of many major projects in China mainland with China Construction, MCC China and Hunan Construction Engineering Group. With 15 years’ development, the group has developed another 8 subsidiaries and 4 manufacturing plants.
We have new sales for steel profiles, steel coil, safety netting, garbage transfer equipment, office phone booth.

Vision: Construction supplies integrated service providers
Mission: Construction supplies one-stop service
Purpose: to provide security, the most competitive products and services construction materials.
Galvalume or Galvanized for Metal Roofing and Ceiling Channel System
adtolily
 Yesterday, 09:27 Post #226400

One of the questions most frequently asked by architects is: What are the differences between Galvalume and Galvanized Steel when used in roofing.

First, a little bit of background. Galvalume was invented by Bethlehem Steel in 1972. It is a trademarked name, but many people use it as a generic term to describe a metal roofing product consisting of steel coil coated with a metal alloy. That alloy is 45% zinc and 55% aluminum and looks similar to galvanized steel, but the visible crystals are smaller and close together, giving it a smoother appearance. Galvalume has a cousin, Galvalume Plus. The only difference is Plus has a thin, clear acrylic coating. Because Galvalume Plus can be roll-formed dry without vanishing oil, it is very easy to form and install safely. Galvalume metal roof peak with snow guards.

The combination of zinc and aluminum in Galvalume enhances both the positive and negative effects of aluminum. Galvalume has barrier corrosion resistance and heat resistance similar to aluminized material and good bare edge galvanic protection and forming qualities like galvanized material. Consequently, Galvalume and Galvalume Plus will resist rust, the elements and fire while providing a sturdy and protective covering.

Galvalume is more corrosion-resistant than galvanized steel profiles, but because aluminum provides barrier protection instead of galvanic protection, scratches and cut edges are less protected. Galvalume is offered in both bare and pre-coated versions. Most Galvalume –like galvanized steel– is coated. But Galvalume has an excellent performance life in bare exposures as well. Both galvanized steel and Galvalume weigh 100 to 150 pounds per 100 square feet and contain about 35% recycled materials. The cost of Galvalume and Galvalume Plus are about the same as that of galvanized steel. The coating used on Galvalume is very important because it is critical to the length and conditions of the entire warranty of the panel product. Coated metal roof panels have progressed from a single coat straight polyester paint system in the early years to Poly vinyl idene fluoride(PVDF) acknowledged as the premium resin for coil coatings. It is a kind of fluoride, a family that includes such well known products as Teflon and Halar. PVDF resin has superior chalk resistance and gloss retention as well as stain and chemical resistance. It is softer than polyester, making it highly formable without risk of cracking. Current pretreatments and primers along with superior paint coating have increased product warranties dramatically.

Galvalume roof with snow guards close up.However, some people only ask if there is a warranty not how many years the warranty lasts, and most people do not check to make sure that they are not getting the inferior straight polyester system. Straight polyester should really not be used for metal roofing and wall panel in today's market. If you see there is a dramatic difference in the price of two painted Galvalume panels you are specifying, then the less expensive, less effective kind of coating should be suspected. Galvalume should not be used on, in, or around concrete or mortar. Concrete and mortar are highly alkaline environments. Bare Galvalume and painted Galvalume sheets coils suffer rapid corrosion when in contact with mortar and concrete. Bare Galvanized and painted Galvanized perform better in this type of environment.

Neither Galvalume or galvanized substrate is warranted to be used, in or around animal confinement or agriculture. Bare Galvalume and coated Galvalume panels will very rapidly deteriorate when exposed to the corrosive agents of animal confinement. But bare Galvalume and coated Galvalume panels have an outstanding corrosion resistance in a wide variety of general environments, including industrial, marine and even severe marine environments. And Galvalume offers exceptional heat reflectivity, resulting in lower energy load on buildings and improved interior comfort.

That pretty much summarizes the key features of Galvalume versus Galvanized. In a nutshell, Galvalume is a proven metal roofing material because of its strength, outdoor corrosion resistance and longevity. If you have any other questions about Galvalume, contact an Englert architectural sales representative near you.
Galvalume or Galvanized for Metal Roofing and Ceiling Channel System
adtolily
 Yesterday, 09:17 Post #226399

One of the questions most frequently asked by architects is: What are the differences between Galvalume and Galvanized Steel when used in roofing.

First, a little bit of background. Galvalume was invented by Bethlehem Steel in 1972. It is a trademarked name, but many people use it as a generic term to describe a metal roofing product consisting of steel coil coated with a metal alloy. That alloy is 45% zinc and 55% aluminum and looks similar to galvanized steel, but the visible crystals are smaller and close together, giving it a smoother appearance. Galvalume has a cousin, Galvalume Plus. The only difference is Plus has a thin, clear acrylic coating. Because Galvalume Plus can be roll-formed dry without vanishing oil, it is very easy to form and install safely. Galvalume metal roof peak with snow guards.

The combination of zinc and aluminum in Galvalume enhances both the positive and negative effects of aluminum. Galvalume has barrier corrosion resistance and heat resistance similar to aluminized material and good bare edge galvanic protection and forming qualities like galvanized material. Consequently, Galvalume and Galvalume Plus will resist rust, the elements and fire while providing a sturdy and protective covering.

Galvalume is more corrosion-resistant than galvanized steel profiles, but because aluminum provides barrier protection instead of galvanic protection, scratches and cut edges are less protected. Galvalume is offered in both bare and pre-coated versions. Most Galvalume –like galvanized steel– is coated. But Galvalume has an excellent performance life in bare exposures as well. Both galvanized steel and Galvalume weigh 100 to 150 pounds per 100 square feet and contain about 35% recycled materials. The cost of Galvalume and Galvalume Plus are about the same as that of galvanized steel. The coating used on Galvalume is very important because it is critical to the length and conditions of the entire warranty of the panel product. Coated metal roof panels have progressed from a single coat straight polyester paint system in the early years to Poly vinyl idene fluoride(PVDF) acknowledged as the premium resin for coil coatings. It is a kind of fluoride, a family that includes such well known products as Teflon and Halar. PVDF resin has superior chalk resistance and gloss retention as well as stain and chemical resistance. It is softer than polyester, making it highly formable without risk of cracking. Current pretreatments and primers along with superior paint coating have increased product warranties dramatically.

Galvalume roof with snow guards close up.However, some people only ask if there is a warranty not how many years the warranty lasts, and most people do not check to make sure that they are not getting the inferior straight polyester system. Straight polyester should really not be used for metal roofing and wall panel in today’s market. If you see there is a dramatic difference in the price of two painted Galvalume panels you are specifying, then the less expensive, less effective kind of coating should be suspected.

Galvalume should not be used on, in, or around concrete or mortar. Concrete and mortar are highly alkaline environments. Bare Galvalume and painted Galvalume sheets coils suffer rapid corrosion when in contact with mortar and concrete. Bare Galvanized and painted Galvanized perform better in this type of environment.

Neither Galvalume or galvanized substrate is warranted to be used, in or around animal confinement or agriculture. Bare Galvalume and coated Galvalume panels will very rapidly deteriorate when exposed to the corrosive agents of animal confinement. But bare Galvalume and coated Galvalume panels have an outstanding corrosion resistance in a wide variety of general environments, including industrial, marine and even severe marine environments. And Galvalume offers exceptional heat reflectivity, resulting in lower energy load on buildings and improved interior comfort.

That pretty much summarizes the key features of Galvalume versus Galvanized. In a nutshell, Galvalume is a proven metal roofing material because of its strength, outdoor corrosion resistance and longevity. If you have any other questions about Galvalume, contact an Englert architectural sales representative near you.
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