Joining Flat Roof To Pitched Roof

First we should establish the pitch of both roof planes.

Joining flat roof to pitched roof. Flashing and more roofing compound are used to weatherproof the joint. 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 different flat roofs. Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.

A flat roof isn t actually flat. Joining these two roofs poses two main challenges. 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. The other is to get the fascias to line up.

After this roofing cement is applied around the complete area and then the missing tiles are replaced. Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes. Lets have a quick look at how to join a roof without an upstand where practical joining onto roofing felt with epdm roofing felt is bitumen based and it can be difficult to get any sort of good bond onto bitumen with anything other than a like for like bitumen product. For slopes less than 9 5 we cannot install roof shingles.

One is getting the two differently pitched planes to meet at the hip or valley rafter. Armourvalley or other materials like epdm pvc or tpo covering. This video will demonstrate how to integrate a cure it grp roof with a pitched roof. It appears to be flat but it needs a slope to allow the water to drain from the roof.

While that s the easiest route it s certainly not your only option. It has a slope of 2 3. Instead the roof must be done with a modified bituminous membrane e g. We ll start with the knowledge that the main roof has an 8 12 pitch.