Shingle Low Pitch Roof

The membrane will outlast the shingles and seal around all nail penetrations.

Shingle low pitch roof.

Low slope roofs present a challenge where water is concerned. Then apply standard asphalt shingles over the membrane. 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 luck. So given your location and the fact that.

But other than that a higher roof slope is much better for the shingles. For a low slope residential roof there are two main options. That way water flows from the shingles onto the flange and continuing to flow down slope it flows back on the shingles. The challenge with very low sloped roofs is simple gravity.

1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. Former senior editor roe a. Low slope roofing shingles. Some will argue that shingles shouldn t be used for low pitch roofs at all.

However roofing over old shingles should be done only when the existing shingles and the roof underneath are in good shape. Also roofing over old shingles adds a lot of extra weight to a roof which can be especially problematic in high snow load areas. I have to say having a low roof slope sure makes it more comfortable to install the shingles. At a very low slope any water on the roof whether rain water or snow melt drains very slowly and there is a risk of lateral water movement around and through the shingle overlaps.

Asphalt shingles should never be applied to roof slopes below 2 12 2 of vertical rise for every 12 of horizontal run or 9 5. Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs.