How To Waterproof A Low Pitch Roof

These membranes are particularly effective for roofs with a very low slope between 1 8 12 1 and 4 12 33.

How to waterproof a low pitch roof.

It can seem confusing working out whether to go with a low pitch roof and what this could mean in the long run. This roof has a positive 4 12 roof pitch. Technology of laying the roll roofing on a flat roof. Generally 17 5 and below is considered a low pitch roof.

Many roof coatings are available in either solvent based or water based materials. The proper way to install shingles on low slope roof application. 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. Waterproofing products for flat roofs.

The ultimate solution to achieve a very efficient watertight under roof is to lay rigid sarking board. 2 layers for low slope roofs 15 25. A low slope roof is one that has a slope of less than 3 in 12. 3 layers if the roof slope is 5 15.

This has led to a rise in low pitch roofing to accommodate these changes. 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. 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. Solvent based coatings are typically longer lasting.

Every coating is different so there isn t a simple answer to which one is the best waterproofing for a low slope roof. Low slope steep slope terms describe roof slope the slant of a roof. 4 layers if the roof is flat and the slope is 0 5. 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.