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Polycarbonate is one of the newer plastics to be used in the construction industry. It is available in a range of popular colours and profiles. “Transparent steel” is a popular tagline for the product as it is extremely impact resistant (some versions of the product can even be walked on) without losing flexibility. There are however several reasons why discerning roofing companies, home owners and architects choose polycarbonate. Clear polycarbonate panels can be used to lighten up a dark corner or a bronze finish can reflect heat away from the home and filters the glare.

  • Exceptional impact resistance, high levels of light transmission, good workability and good fire rating
  • Resistance to chemicals and corrosion in most industrial and marine environments
  • It is easy to transport, cut and install
  • Aesthetically pleasing in its segment
  • Less maintenance , cost savings, improved durability
  • Excellent weatherability

Glass weighs six times more than polycarbonate and needs constant maintenance and cleaning, whereas the impact strength of polycarbonate is 200 times higher while costing much less. Polycarbonate roofing requires only an occasional wash down with soapy water and is easy to clean without damaging the product. Polycarbonate sheets are also combined with photovoltaic (PV) roofing panels as the product is lighter and more durable than glass

Polycarbonate sheeting allows diffused light, which reduces eye strain and the need for electricity. The natural/visible light levels and amount of solar energy/heat can be adjusted by using different colours, thicknesses and amounts of polycarbonate roof sheeting. A layer of highly UV stabilised polycarbonate is co-extruded on the weathering side. This layer will not crack or delaminate, and ensures years of clear performance in the harsh climates.

Polycarbonate translucent roofing is becoming more popular as designers are modifying homes to suit the climate and reduce energy costs. The roofing is ideal for greenhouses, car ports, canopies and conservatories. Polycarbonate roofing can have several advantages over glass such as its high impact resistance being practically unbreakable in some instances. It also provides good acoustical insulation and is weather and UV resistant. Other properties of polycarbonate roofing include its wide service temperature range.

More than 70% of the heating effect of the sun is carried between 350 and 800 nanometres (generally, the visible light spectrum). More than 85% of these wavelengths are transmitted through a clear polycarbonate sheet. It is possible to vary levels of light transmission, and therefore the amount of heat that is transmitted, by changing the colour of the polycarbonate sheeting or by choosing a more opaque, diffusing sheet. Profiled polycarbonate matches profiled roof cladding and allows the sky to be viewed through a corrugated material, a feature popular with many designers.