Ok To End A Roof Into An Existing Wall

However if you build a porch roof with a peak larger than your existing roof check to make sure the that material can stand up to the pitch of your porch roof.

Ok to end a roof into an existing wall.

Cut two rafters with a circular saw to the pitch of the addition roof and nail them across the rafters on the old roof. Tear roof sheathing from supporting framing see figure 7 4 and rip roof framing from supporting walls. The loss of roof coverings and roof decking can allow water to enter a building and damage or destroy interior finishes and contents or even worse may destabilize a structure and lead to building collapse. Unless you re careful step flashing can allow water from the roof to slip behind the gutter and get behind the siding and even the housewrap.

Remove and repair any damaged siding and sheathing next to or beneath the roof wall intersection. The exterior of a house presents plenty of opportunity for leaks. Tying in to an existing gable roof tie into the end of an existing gable roof by removing existing facing boards wall siding and any other obstructions back to the first truss of the old roof. Butt the first new truss against the old one.

And in our experience when a single piece of flashing extends only a few inches under the shingles especially on a long roof slope and worse on a roof that happens to slope slightly towards rather than away from the abutting vertical building wall the accumulated roof drainage water near the bottom end of the roof wall intersection will. Then mount new trusses on the new addition walls. You ll need to remove the existing shingles and cut. Install step and kick out flashing at roof wall intersections.

The up slope end of a simple shed roof that rests near the eaves of an existing roof can usually be supported by the rafters of the old roof. That s a simple low cost solution that can tie in well with the main house. They form an upside down v with the point at the top of the addition roof. Install liquid water proofing or peel and stick membrane on walls next to and beneath the end of the roof wall intersection.

Remove existing siding and shingles at roof wall intersection. Pick roofing materials that match your existing roof. Yes even flat roof to wall intersections are not being properly done. If you re adding to the gable end of the house the side wall that goes up to the roof s peak it s fairly easy to extend the existing roofline over the new space says curt schultz a realtor architect builder in pasadena calif.