Repair Low Pitch Rolled Roofing In Winter

Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.

Repair low pitch rolled roofing in winter.

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. 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. Roofs on victorian era houses were often sharply angled with a steep pitch. For a low slope residential roof there are two main options.

Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Built up roofs require a minimum roof pitch of 1 4 12 or greater. Rolled roofing material is often used on roofs that are low sloped. Then apply standard asphalt shingles over the membrane.

It was fashionable for modern style homes built in the 1960s to have little pitch just a barely negligible slope to help drain water. Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline per 12 inches of horizontal direction 2 12 pitch. Nail the roofing in place with short roofing nails spaced 6 inches apart and 1 inch in from the outer edges of the roll roofing. L2r 4t8 should my contractor for my new roof be obligated to fix this problem.

Visiting my sister marlene in thunder bay this summer 2012 there was as usual a project like every other time. Ice dam damage after installing a new low pitched roof over an existing flat roof in an old house in 2 south drive st. Wood shingles require a minimum roof pitch of 3 12 or greater. Reshingling a low slope roof and a few things not to do this article covers reshingling a low sloped roof and a few things you should avoid when shingling such a roof.

Add a second piece of full width roll roofing over the first. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. Although surprisingly there was only one leak in the old roof. Mark lemay contractor for new roof stated that cold winter had caused this problem.

Visually this roof appears flat. Wood shakes require a minimum roof pitch of 3 12 or greater.