Joining Pitched Roof To Flat Roof

The roof needs to be tied in by lifting up some of the original tiles on the existing roof and then allowing the flat roof to run slightly underneath.

Joining pitched roof to flat roof.

A join in any roof is a potential leak and roofers will always pay extra attention to joints when installing a flat roof even when working with like for like materials. Flat roof connected to pitch roof a flat roof isn t actually flat. The potential for a leak always increases when joining one type of flat roof material to another especially when it will be effectively underwater in wet conditions. This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne.

This video will demonstrate how to integrate a cure it grp roof with a pitched roof. It has a slope of 2 3. Pitched roofs are usually much heavier than flat roofs so an easy replacement may not always be possible. Repeat the same procedure on the side of the hip that faces the secondary roof using the hip pitch for that roof and measuring distance b.

Using a pitch measuring tool that i d made we also determined that the exact pitch of the shed roof was 3 1 2 in 12. Flashing and more roofing compound are used to weatherproof the joint. For slopes less than 9 5 we cannot install roof shingles. It appears to be flat but it needs a slope to allow the water to drain from the roof.

Blind valleys simplify framing to keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge. This is the line of backing. After this roofing cement is applied around the complete area and then the missing tiles are replaced.