Joining Pitched Roof To Flat Roof

Flat roof connected to pitch roof a flat roof isn t actually flat.

Joining pitched roof to flat roof.

This is the line of backing. For slopes less than 9 5 we cannot install roof shingles. Measure distance a along the unit run and mark. If you own a building with a flat roof the first thing your contractor will do is consult a structural engineer to make sure your structure can handle the conversion.

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. 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. 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. Place your square on the side of the hip rafter that will face the main roof using the hip pitch for that roof 8 155 8.

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. Pitched roofs are usually much heavier than flat roofs so an easy replacement may not always be possible. Flashing and more roofing compound are used to weatherproof the joint. It has a slope of 2 3.

This video will demonstrate how to integrate a cure it grp roof with a pitched roof. After this roofing cement is applied around the complete area and then the missing tiles are replaced. It appears to be flat but it needs a slope to allow the water to drain from the roof.