Mon, Mar 4, 2024

Polycarbonate roof sheeting has become an increasingly popular roofing material over the past couple of decades due to its strength, durability, and transparency. This type of sheeting is made of polycarbonate thermoplastic, which is a highly impact-resistant plastic. Here are some of the main benefits of using polycarbonate sheets for roofing applications:

Strength And Durability 

One of the biggest advantages of polycarbonate roof sheeting is its high strength-to-weight ratio. Although it is lightweight, it is actually 200 times stronger than glass and 30 times stronger than an acrylic sheet. This means it has exceptional impact resistance compared to other clear plastic sheeting materials. Polycarbonate can withstand very high wind loads and extreme weather conditions, from hail storms to heavy snowfall and ice buildup. The material does not corrode or decompose easily, even when exposed to moisture, sunlight, and temperature fluctuations over long periods of time. Properly installed polycarbonate roofing can last over 20 years without significant wear or damage.

Weather Resistance  

In addition to sheer impact resistance, polycarbonate sheets provide excellent overall weathering properties. They contain ultraviolet (UV) inhibitors and anti-oxidants that prevent solar degradation even after years of exposure to sunlight. As a result, the material does not become brittle, discoloured, or lose its clarity from sunlight over time. Polycarbonate roofing blocks over 99% of harmful UV rays from passing through, protecting interior furnishings from fading. It also resists yellowing better than other clear plastic sheets.

Temperature Insulation

The hollow chambers and smooth surface of multiwall polycarbonate sheets create an insulating air cavity that works as an effective barrier between interior and exterior temperatures. This roofing material has high heat insulation ratings, keeping interiors cooler in the summer heat and warmer in the winter cold compared to metal or glass skylights. Some premium multiwall polycarbonate sheets have an R-value of around R-25, which is similar to fibreglass insulation. The exceptional insulating properties cut down on energy costs for heating and air conditioning.

Transparency And Light Diffusion

Unlike other plastic roofing materials, polycarbonate sheets allow abundant natural light to permeate. Plain sheets transmit about 89 per cent of visible sunlight. Multiwall sheets diffuse sunlight and reduce glare for more even light distribution indoors. Specialty sheets are available with varying degrees of light transmission, from nearly clear to translucent or opaque. For greenhouses and sunrooms, the clarity ensures plants thrive while the diffused light protects inhabitants and interiors. The sheets also brighten dark rooms when used as skylights or overhead glazing.

Easy Installation

One of the advantages of polycarbonate roofing is that the sheets are lightweight and easy to handle onsite. They can be installed using simple tools like drills, screws, and sealants. The panels allow for quick installation compared to glass. The sheets can be measured, marked, cut, drilled into, or otherwise modified onsite for customisation to fit any application. Professional installers can mount the strong yet flexible panels directly onto roof rafters or a substructure. Minimal maintenance is needed once installed properly.

Affordability

While more expensive upfront than fibreglass or acrylic sheets, polycarbonate roofing is fairly affordable compared to glass or other plastic roofing. The price depends on the sheet thickness and number of walls, but it lasts much longer than lower-cost materials when exposed to weather. Considering the extreme durability and lifespan of over 20 years for properly installed polycarbonate roof sheets, the return on investment over the long run makes it a smart choice for both residential and commercial buildings. It outperforms most other clear roofing and skylight options.

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