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.

However this can vary depending on the manufacturer architect and installation company. Many roof coatings are available in either solvent based or water based materials. 2 layers for low slope roofs 15 25. This has led to a rise in low pitch roofing to accommodate these changes.

Waterproofing products for flat roofs. In either case find a professional roofing contractor experienced with low slope roofs and these specific products. A low slope roof is one that has a slope of less than 3 in 12. The ultimate solution to achieve a very efficient watertight under roof is to lay rigid sarking board.

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. Every coating is different so there isn t a simple answer to which one is the best waterproofing for a low slope roof. Technology of laying the roll roofing on a flat roof.

You can t use the rolled roofing materials if the roof slope is more than 25. 3 layers if the roof slope is 5 15. Solvent based coatings are typically longer lasting. It can seem confusing working out whether to go with a low pitch roof and what this could mean in the long run.

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. Generally 17 5 and below is considered a low pitch roof. 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. Low slope steep slope terms describe roof slope the slant of a roof.