NorthWest_Polycarbonate
Clear 8mm Twin Wall Polycarbonate Sheet 4x20 ft.
Clear 8mm Twin Wall Polycarbonate Sheet 4x20 ft.
Couldn't load pickup availability
5/16 in. (8 mm) 48 in. x 240 in. Polycarbonate Clear twin-wall hollow sheet
Application
Twin-wall sheet is extensively applied in roofing, glazing, skylights, carports, and greenhouses, swimming pool top cover
Specification:
Type: Twin-wall
Thickness: 0.315" (5/16 in.) (8 mm)
Size: 4 ft x 20 ft
Color: Clear
Cover your pergola, cover your patio, cover your gazebo, or add a durable carport cover with our high-quality polycarbonate panels.
✔ Waterproof
✔ 100% UV Protection
✔ Built to last in any weather
Our panels are the best option to cover your pergola or patio — providing shade, rain protection, and natural light, all in one solution.
Our longest panel: 20 ft pergola roof, no cross seam. Too long for parcel, we deliver it around Seattle.
What else you need for this sheet
- Seams between sheets: Clear snap profile, 20 ft for a finished look, or Clear H profile, 12 ft if the roof will not be seen from below.
- Open ends: U channel end cap, with aluminum tape on the top edge and vented tape on the bottom.
- Fixing: roofing screws with neoprene washer, about 15 per sheet.
- Long open spans: aluminum sealing bar, 16 ft holds better in wind than a snap cap.
Working out how many sheets you need? The buyer's guide does the counting by project. Load, span and light transmission figures are on the technical data page, and fitting steps are in the installation manual.
See the rest of the range: 8 mm twin wall sheets or greenhouse panels.
On backorder. This size is on its way to the warehouse. Order now and we will ship it the week it lands, or call (702) 351-2441 for the current date.
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Delivery and pickup
Delivery from $130 across the Seattle metro area, Saturdays. Free pickup at our Kent warehouse, 27000 Pacific Hwy S, by appointment. One flat rate per order, any quantity. Zones and prices are on our Shipping Policy page.