Our 6mm Twinwall Polycarbonate Greenhouse Glazing Sheets are cut to your exact requirements, simply enter your length and width in the boxes below and get your instant online price. Clear Twinwall Polycarbonate is much stronger than glass, half the weight and does not shatter like glass. All our replacement twin-wall greenhouse glazing sheets are UV protected on one side of the material, so they do not yellow over time or go brittle.
Twin-wall and Multiwall polycarbonate sheets are UV-protected, but only on one side! Look for the protective film with writing on it — this is the UV-protected side and should face the sun. The other side has no UV coating and should face away.
This material range is Class 1 Fire Rating BS476/7.
| Product | Shading Coefficient | Light Transmission | U Value W/m2K | Weight (KG) | Number of Walls |
|---|---|---|---|---|---|
| 6mm Clear | 0.75 | 80% | 3.5 | 1.2 | Twin Box |
Polycarbonate is 250 times stronger than glass and is often said to be virtually unbreakable. It is an incredibly durable material with high impact strength yet remains lightweight and easy to work with.
Polycarbonate can last upwards of 10 years if it is properly installed and well looked after. In some cases, it has been known to last for 20 years or more.
Twin-wall is a type of polycarbonate sheet that is made from two sheets connected by an interior plastic support that allows the two plastic sheets to run parallel to one another. This increases the material’s strength and thermal properties.
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