Thompsons One Coat Roof Seal - Black 5L 
Ronseal Diamond Hard Floor Varnish - Clear Gloss 5L 
Timco Pozi C2 Strong-Fix Twin Cut Screws - 4.0mm x 40mm (Box of 200) 
Soudal Grab Solvent Based Adhesive, Beige 
Bond It B2 Expanding PU Gun Grade Foam - Beige 750ml 
Bond It Decking Oil - Natural 5L 
Everbuild Firefoam B1 Gun Grade Expanding Foam - Pink 750ml (Box of 12) 
Estwing Hammer Curved Claw Smooth Face - 20oz 
Lead Flexi Slate Pipe Flashing - Pitched 
OX Tools Trade Heavy Duty Chalk Line Reel 30m / 100ft 
ALM Code 4 Milled Lead - 1600mm x 6m 
Right Hand Klober Uni-Click Dry Verge Units Terracotta 
ALM Code 3 Milled Lead - 760mm x 6m 
FirmaHold Collated Clipped Head Nails & Fuel Cells - 2.8 x 63/3CFC - Ring Shank - FirmaGalv + (CLASS 2) 
Irwin Jack Plus 880 Universal Handsaw - 20" (Pack of 10) 
Everbuild Clear Fix – 290ml 
ALM Code 7 Milled Lead - 150mm x 3m 
Code 8 Cast Lead - 180mm x 3m 
Klober Uni-Plain Roof Tile Vent Adaptor & Flexipipe - KG992800 
Soudal Bathroom & Kitchen Silicone - Clear 290ml (Box of 12) 
Hambleside Danelaw Single Pantile Roof Tile Vent, TV10/8 - Terracotta (Box of 5) 
Sika Damp-Proof Slurry Grey - 25kg 
Bond It Felt Adhesive - Black 25L 
Soudal Fix ALL Crystal Clear - 290ml 
FloPlast Black Half Round Adjustable Angle - 50° to 156° 
Soudal Mitre Kit 50g + 200ml - Clear 
Patination Oil Lead Mate Flashing Protection Coating - 500ML 
Everbuild Black Jack 904 Roof Felt Adhesive – 5 Litre 
Soudal Repair Express Cement – Grey 290ml (Box of 12) 
Klober Single Pantile Vent - Antique Red KG9860-0116 (Box of 10) 
Timloc Interlocking Plain Tile Vent Grey (Box of 12) 
Gorilla Super Glue Gel Twin Pack - Clear 3g 
Ulti-Mate Bold Roll Brown Tile Vent 
ALM Code 6 Milled Lead Flashing - 360mm x 3m 
Timco Flat Wood Bit Set 
Bond It The Beast PU Adhesive - Brown 250ml Polycarbonate Sheets
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Restec GRPROOF 1010 Top Coat Resin – 20kg
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Sealotone Liquid Cement – 1 Litre
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Code 3 Cast Lead – 300mm x 3m
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Polycarbonate Sheets
When constructing the roof of a carport, conservatory or greenhouse, it’s hard to beat polycarbonate. Polycarbonate sheeting is made out of polycarbonate, a polymer plastic derived from a carbonic acid ester base. What all that chemistry means is that it’s absurdly durable for its light weight. It’s nigh unbreakable, hard to set on fire, highly insulated from sound and heat, and easy to install. Of course, it’s also waterproof.
In fact, polycarbonate is so strong for its weight that it doesn’t even need to be a single solid sheet, and instead is usually divided into multiple thin layers with a chamber in-between. This improves insulation. Thicker sheets of polycarbonate might use angled inner-layers to form a super-strong web structure within the sheet instead.
Because of the sheer durability of polycarbonate sheeting, the thickness of the sheeting is more about insulation and resisting being blown around by the wind rather than rain resistance. That’s partially why so many old greenhouses were able to get away with having just 16mm sheeting when nowadays it would be much thicker.
Buy Polycarbonate Sheets
Smaller polycarbonate sheets, usually measure around the 4mm or 6mm range. These are suitable for small projects and tend to be either solid or twinwall. For instance, 4mm polycarbonate shees might be used to make cloches, which are like mini-portable greenhouses for individual plants. 6mm sheeting on the other hand might be useful for covers for fish ponds or other similarly sized garden installations. These sheets just have two walls, creating a single inner chamber.
Heavier roofing sheets might be significantly different. For instance, a 10mm might be suitable for small greenhouses, while a 16mm sheeting would be perfect for a medium-sized carport. The much larger sheets such as triplewall or multiwall are suitable for conservatories that are built into the house as well as large greenhouses and summer houses that are built as free-standing structures.
At ERoofing we stock a wide selection of thicknesses for sheeting that will get you the perfect fit for your roofing needs at an affordable price.
