How To Shingle A Low Slope Roof

If you have a low slope roof but would love to have a shingled look rather than other solutions like rolled sheet roofing you are in.

How to shingle a low slope roof.

Some building codes allow as low as a 2 slope with asphalt shingles if additional steps are taken. For a low slope residential roof there are two main options. Some will argue that shingles shouldn t be used for low pitch roofs at all. That way water flows from the shingles onto the flange and continuing to flow down slope it flows back.

For anything less than that you should use a roofing material specifically made for low slope roofs. The arma s residential manual for asphalt roofing recommends that asphalt shingles on low slope roofs be applied over a nonperforated single layer of adhesive backed bituminous membrane installed to the manufacturer s specifications or over a double layer of asphalt impregnated felt paper. Attach drip edge along the edge of the roof with roofing cement. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many.

Extend the front edge of the drip edge so it runs off the roof and into the guttering. However those naysayers would be wrong. The majority of north american residential roofs have historically been constructed with a slope between about 4 12 and 9 12. If you don t place the drip edge properly.

Low slope roofs present a challenge where water is concerned. The acceptable underlayment installation options for low slopes are described in the canadian standards association asphalt shingle application standard csa a123 51 as follows. 2 where the roof is not visible consider upgrading to a single ply roofing intended for low slope roofs. Roofs at the lower end of the range about 4 12 to 6 12 are relatively easy to walk and work on.

Low slope roofing shingles. The usual slope for asphalt shingles is a 4 or greater rise for every horizontal foot of run. Cover the entire low sloped roof area with a self adhered modified bituminous membrane that will act as an ice and water.