How To Waterproof A Low Pitch Roof

2 layers for low slope roofs 15 25.

How to waterproof a low pitch roof.

The ultimate solution to achieve a very efficient watertight under roof is to lay rigid sarking board. Technology of laying the roll roofing on a flat roof. Low slope steep slope terms describe roof slope the slant of a roof. Every coating is different so there isn t a simple answer to which one is the best waterproofing for a low slope roof.

This has led to a rise in low pitch roofing to accommodate these changes. 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. A low slope roof is one that has a slope of less than 3 in 12. However this can vary depending on the manufacturer architect and installation company.

The proper way to install shingles on low slope roof application. Waterproofing products for flat roofs. You can t use the rolled roofing materials if the roof slope is more than 25. Generally 17 5 and below is considered 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. 4 layers if the roof is flat and the slope is 0 5. Solvent based coatings are typically longer lasting. Many roof coatings are available in either solvent based or water based materials.

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. 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. It can seem confusing working out whether to go with a low pitch roof and what this could mean in the long run. 3 layers if the roof slope is 5 15.