Roofing Materials For Sloped Roofs

This means for every 12 horizontal units the roof must rise a minimum of one fourth vertical unit.

Roofing materials for sloped roofs.

That is the roof s rise. The run always remains constant at 12 inches. This top layer normally is tar over which the gravel is laid. A low slope roof is anywhere from 2 in 12 to 4 in 12.

Rolled roofing material is often used on roofs that are low sloped. Michael bodmann getty images. It s constructed of a durable reinforcing mat of non woven glass fibers that have been coated and permeated to a thickness of approximately 2 0 mm. Although ceramic tile roofs are expensive they can have a life span of over 100 years.

Steep slope roofing is generally referred to as residential roofing due to the fact that most single family homes in the u s. Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.

Built up roofs minimum roof slope roof pitch r905 9 1. Made of several layers of bitumen surfaces built up roofing is finished by applying an aggregate layer or coating as the top layer. Coal tar built up roofs however can have a design roof slope of 1 8 12 1 percent but no less. Then we were able to correct the owner s ponding water concerns.

Built up roofing is the most popular roofing material used on low sloped roofs. In either case find a professional roofing contractor experienced with low slope roofs and these specific products. Are framed with a steep slope roof pitch. Generally roofing types and roofing products are typically divided up into two primary categories steep slope roofing and low slope roofing.

Built up roofs must have a design roof slope of 1 4 12 or greater 2 slope. Sometimes called tar and gravel or bur the modern form of this kind of roof consists of alternating layers of bitumen and reinforcing fabrics. 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. We were able to make new crickets to the existing roof membrane providing positive water flow to the drains.

If your roof pitch declines up to 1 inch vertically for every 12 inches horizontally 1 12 pitch it is a good candidate for rolled roofing as long as you use the concealed nail method of fastening. Conventional slope roof range between 4 in 12 and 8 in 12. Roof slope created a simple and great fix to a project were crickets were missed and ponding water became an issue for an owner. Roof slope style.

Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline.