Low Slope Asphalt Shingle Roof

When combined with the proper underlayment materials and application they are an excellent solution for a low slope roof with a pitch between 2 12 to 4 12.

Low slope asphalt shingle roof.

Start with a 19 inch strip of 15 lb. Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs. Sbs modified asphalt 7 solvent based 3 steel 4 color finish. The membrane will outlast the shingles and seal around all nail penetrations.

1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. Also if asphalt shingles are installed on a roof slope of 2 12 to 4 12 it shall be provided with a double underlayment application. Low slope roofs present special challenges in terms of preventing unique types of damage. This top layer normally is tar over which the gravel is laid.

A 3 per foot slope is considered low but may be acceptable if a double layer of felt is used. Minimum roof slope roof pitch r905 2 2. Made of several layers of bitumen surfaces built up roofing is finished by applying an aggregate layer or coating as the top layer. The usual slope for asphalt shingles is a 4 or greater rise for every horizontal foot of run.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Built up roofing is the most popular roofing material used on low sloped roofs. For a low slope residential roof there are two main options. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

What is the minimum slope for an asphalt shingle roof. Because of the non absorbent nature of asphalt the shingles themselves provide an element of waterproofing which is why they work well for low slopes. Iko roof fast low slope roofing components are engineered and manufactured to meet those particular challenges. Asphalt shingles can only be installed on roof slopes of 2 12 or greater.

Then apply standard asphalt shingles over the membrane. Asphalt shingles are an effective roof covering material for sloped roofs that can be successfully used on slopes as low as 2 12. Click to add item white membrane low slope roofing patch corner cover kit to the compare list. This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units.

Roof fast 95 base iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs. 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. Asphalt shingles continue to be the most widely installed roof covering option in north america. When making a selection below to narrow your results down each selection made will reload the page to display the desired results.

Asphalt shingles can be used on roofs with a slope of 2 12 to 4 12 if double coverage underlayment is used.