All of this is a highly individual question and depends on your own needs. We recommend to use 10mm or 16mm thick Polycarbonate Sheets for this application. So, how thick should your Polycarbonate panels be? What is the plastic sheeting protecting? 1. For what period of time and under what conditions must the plastic hold up? As a general rule, roofs that have a high human occupancy rate should be framed with rafters every 16." We are here for you. Roofing Polycarbonate sheet roofing is good for outdoor projects like sunporches, carports or … Once fastened the first sheet, you can apply the H profile. Mil Thickness of Plastic Sheeting- How thick should the plastic be? In this case we are using a polycarbonate profile that can be easily cut at the proper length of the sheet. Timber above the glass is 20x100mm, in a piece that spans from the corner to mid-way over the door frame. Mini orb (Mini corrugated) suitable for walling only (NOT RECOMMENDED FOR ROOF USE) – Available in CLEAR only in two sheet sizes. Structures such as sheds or barns can be frames with rafters every 24." Do not install polycarbonate sheets on a flat roof. Rafters spaced at 700mm to support 700mm width polycarbonate twin wall sheet. As a rule of thumb, 8 mm and higher will do fine for any type of weather. What should I use for a conservatory roof or living room? 4mm, and 6mm Polycarbonate sheets tend to be used for small scale glazing jobs such as replacing broken glass in Greenhouses or for providing an insulated cover for Koi fish ponds. Glazing tape is a narrow usually 1/2″ wide x 1/8 or 1/16 thickness and is extremely sticky on both sides of the tape, this is especially useful when attaching polycarbonate to metal frames. Manufacturers will have charts letting you know what this minimum bending radius is. They are majorly used for covering greenhouses,decks and patios. Again, make sure to consult local codes. Replacement Glazing. See the chart below or just ask. Note: Multiwall polycarbonate hurricane panels should have a thickness of at least 16-mm, or 5/8-inch. Due to its attributes, however, it is beginning to find a following in residential situations as well. Just apply it on the length side of the first sheet and proceed fastening the second polycarbonate multiwall sheet after have added it inside the H profile. What should I use for a lean-to roof? 3. This thermoplastic roofing began its life on conservatories before moving on to commercial buildings. The final unit will be 1.8m high and 40cm by 60cm shelf size. What thickness of sheets should be used for which projects. This also helps in sealing the panels to the frame and to the glazing top cap to prevent leaks. 32mm and 35mmPolycarbonate sheets tend to have 7 horizontal walls . A minimum of a 1 on 12 roof pitch is required. Polycarbonate Roofing: What You Should Know If you’re looking for an extremely lightweight and inexpensive roofing material, consider polycarbonate roofing. clear 0.8 mm thick Width 660 x 1800 Length (642 mm cover) clear 0.8 mm thick Width 660 x 3000 Length (642 mm Cover) What lies the best about polycarbonate roofing sheet is that they are easy to install and handle. I was wondering what thickness twinwall polycarbonate to use for the panels, the local DIY shop only had 1 thickness but when checking online there is quite a variety: 4mm, 6mm, 10mm, 16mm, 25mm, 32mm and 35mm. One of the roof rafters sits on this wood at the centre of the window and rafter is 45 x 100mm. We recommend to use 25mm or 35mm Polycarbonate Sheets for conservatory roof glazing. You can bend polycarbonate sheets, but there is a minimum bending radius. Not into the rafters. Well this totally depends on their shapes and designs. I will likely use the same material to build some cold frames later on. 2. 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