Joining Pitched Roof To Flat Roof

This is the line of backing.

Joining pitched roof to flat roof.

Measure distance a along the unit run and mark. For slopes less than 9 5 we cannot install roof shingles. 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. 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.

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. 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. 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.

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. Pitched roofs are usually much heavier than flat roofs so an easy replacement may not always be possible. 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.

It has a slope of 2 3. This video will demonstrate how to integrate a cure it grp roof with a pitched 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.