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Why Polycarbonate in Building and Construction?

Once a useful, if basic, material used in greenhouses and roofs, polycarbonate is now a Thoroughly Modern Material. Aside from the aesthetic possibilities it offers to projects like those above, polycarbonate has a plethora of other attributes which could help explain its increasing attraction to architects.

Here is a small list of 5 benefits of using polycarbonate in building and construction:

1. It’s easy to bend

Polycarbonate is a thermoplastic, which means that it has some very useful properties. It can be easily formed into a variety of shapes and structures and can be cold-bent on site to form a curved surface. Because it is a thermoplastic, polycarbonate can be heated, cooled and reheated again without any degrading effects. This means that it is 100% recyclable.

2. It’s resistant to shock and fracture

When compared to glass, a solid polycarbonate sheet has a far higher impact. This is extremely useful when it comes to the transportation, handling and installation phases of any project. Once the building is in service, polycarbonate provides far greater resistance against hail, falling branches and other objects than the resistance of glass, acrylic or GRP. Additionally, unlike GRP, polycarbonate does not become more brittle with age.

Polycarbonate shock- and fracture-resistance properties reduce potential expensive repair and maintenance costs.

3. It’s less than half the weight of glass

With a density of 2,645 lb/m3 compared to 6,173 lb/m3 for glass, polycarbonate offers benefits in terms of structural design. Reduced dead weight loading from cladding or roofing elements can lead to reduced size structural members and foundations and, hence, cost savings.

Equally important are the manual handling implications of a lower-weight material. Transportation, lifting and manoeuvring into place are all become easier, and potentially safer because it’s not fragile, operations when using polycarbonate in building and construction.

4. It's a good insulator

Polycarbonate thermal insulation properties help to explain why it is becoming an increasingly popular choice for cladding and roofing. Multiwall polycarbonate sheets create additional air pockets around the building, improving its thermal performance.

Single-layer glass has a U-value of 6 W/m2K while the U-value of polycarbonate roofing materials ranges from 3.5 W/m2K for a 6mm twin wall to 2.1 W/m2K for a 16mm five-wall sheet.

Polycarbonate is also a good noise insulator. That’s why you’ll often see flat polycarbonate sheets, either transparent or colored, used for acoustic barriers by busy roads, construction sites or railway lines – or to form partitions in an office fit-out or a clothing store

5. It transmits light

While this may seem like a statement of the blindingly obvious, there will be some for whom the word ‘polycarbonate’ conjures up visions of yellowing plastic and hazing. While this remains a problem for GRP, this its NOT true for polycarbonate.

Polycarbonate transmits around the same amounts of light as glass does and much more than GRP; In addition, polycarbonate can be as transparent as glass while GRP is translucent and is not a full see-through product.

All our polycarbonate sheeting are treated with UV protection on one side for multi wall and both sides for solids in order to protect it from potential UV radiation, thus extending its life.

By using polycarbonate in building and construction — offer designers the opportunity to optimise natural light in buildings, at potentially lower capital and operational costs than competing materials. That makes it a truly sustainable choice. And we haven’t even talked about the possibilities that an almost infinite choice of colors brings…

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