How To Waterproof A Low Pitch Roof

The ultimate solution to achieve a very efficient watertight under roof is to lay rigid sarking board.

How to waterproof a low pitch roof.

You can t use the rolled roofing materials if the roof slope is more than 25. The proper way to install shingles on low slope roof application. Waterproofing products for flat roofs. Generally 17 5 and below is considered a low pitch roof.

Low slope steep slope terms describe roof slope the slant of a roof. It can seem confusing working out whether to go with a low pitch roof and what this could mean in the long run. 2 layers for low slope roofs 15 25. Technology of laying the roll roofing on a flat roof.

3 layers if the roof slope is 5 15. These membranes are particularly effective for roofs with a very low slope between 1 8 12 1 and 4 12 33. As in all construction work paying attention to the little details can make all the difference between a long lasting trouble free project and one that results in callbacks and early failure never a good option with a new england roof. A low slope roof is one that has a slope of less than 3 in 12.

Every coating is different so there isn t a simple answer to which one is the best waterproofing for a low slope roof. This roof has a positive 4 12 roof pitch. The use of the resisto self adhered waterproofing membrane as a first layer and the resisto granulated cap sheet high resistance hr cap sheet as a second layer is an ideal solution to ensure the waterproofing of low slope roofs. This is standard practice in many countries including scotland as it provides the ideal substrate on which to construct the waterproof element of the roof.

However this can vary depending on the manufacturer architect and installation company. 4 layers if the roof is flat and the slope is 0 5. A roof that is nearly flat or slightly pitched is called a flat roof or low slope roof no roof should be dead flat because it must have at least a slight slope to drain. In either case find a professional roofing contractor experienced with low slope roofs and these specific products.