Slope Roof Material

Here is a list of the roofing materials regulated by the code.

Slope roof material.

If roofing material is installed on a roof with a slope that is less than what is specified by the manufacturer it will void the warranty. Small residential low slope roofing projects. This is particularly important to pay attention to when using metal roofing products such as standing seam metal which have a multitude of profiles attachment methods and seam lap joint styles which can. Section r905 regulates many different types of roof covering material.

Many factors determine which roofing materials you can use and one make or break factor is the slope of the roof known as roof pitch. This patented technology provides a durable finish with the ability to match existing roofing compositions. Membrane choosing membrane materials is essential for low slope roofs. What is roof slope.

For the smaller residential low slope roofing applications such as garage and porch transitions certainteed offers an excellent solution in our flintlastic sa self adhering sbs modified bitumen roofing system. The slope of a roof often referred to as the pitch is determined by rise over run the roof s vertical rise in inches for every twelve inches of horizontal length the run. Clay and concrete tile. The roofslope auxiliary sloping compound provides a quick and easy way to fill in low spots on flat roofs and achieve positive slope to aid in proper drainage.

So a roof with four inches of rise every 12 inches horizontally run would have a slope of 4 12 sometimes displayed as 4 12. Almost all roofing materials specify a slope range for which they are best suited. For example you may think you want classic composite shingles on your roof but if the pitch is below a certain ratio you may be forced to install a different type of roofing perhaps rolled roofing or standing seam metal roofing. Now lets get into the minimum roof slope requirements based on the different types of roof covering material.