Joining Pitched Roof To Flat Roof

For slopes less than 9 5 we cannot install roof shingles.

Joining pitched roof to flat roof.

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. It has a slope of 2 3. 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. Measure distance a along the unit run and mark.

This is the line of backing. 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. 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. Flashing and more roofing compound are used to weatherproof the joint.

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

It appears to be flat but it needs a slope to allow the water to drain from the 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. Flat roof connected to pitch roof a flat roof isn t actually flat.