Waterproofing For Shallow Pitch Roof With Singles

Asphalt composition shingles are designed to be installed on roof slopes greater than a 4 in 12 pitch.

Waterproofing for shallow pitch roof with singles.

This roof has a positive 4 12 roof pitch. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. For those who don t understand the roof pitch number here is a way to envision it. If possible have the shingles delivered via a boom directly onto the roof.

Roof pitch defined and explained. Click to enlarge any image or table in this case the finish roofing material whether asphalt shingles wood or tile functions mainly as a decorative element but also helps protect the underlying membrane. After years of exposure to the weather your asphalt shingles may need some help retaining their waterproof protection on your roof. While a low pitch roof may not show the aesthetic qualities of cedar shingles to full advantage they provide a lightweight durable solution where a pitched roof is required.

With respect to shingle application roof slopes from 2 12 to less than 4 12 18 5 are called low slope roofs while roof slopes of 4 12 or greater are called normal or standard slopes. With an acrylic asphalt sealant you can add a protective layer to the shingles and keep your roof safe from water damage. Most roof coverings can be applied on roofs as shallow as 2 12 as long as a fully waterproof membrane is installed over the decking. For every 12 inches you.

Or the colon can replace the slash as in 2 12 or 7 12. Pitch is the term used to describe the angle slope or slant of your roof. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. Asphalt shingles are a desirable roofing material because they are inexpensive and durable.

Roof pitch designations are comprised of two numbers indicating a ratio. In combination with iko roof fast cap sheets it provides waterproofing properties and durability for low slope roofs. Iko roof fast base ma is a fiberglass reinforced nailable base with a special film surface designed to be used as one of iko s roof fast low slope roofing components. Asphalt shingles are an effective roof covering material for sloped roofs that can be successfully used on slopes as low as 2 12.

Therefore the asphalt manufactures base their warranties around the minimum recommended pitch of 4 in 12. To achieve a sound watertight roof the gauge of the shingle assuming the standard 5x or 400mm shingle must be closed to 95mm giving a 4 ply roof. Otherwise stack them near the ridge in a way that prevents them from sliding or on a roof jack platform.