Roof Leak Where Siding Wall Meets Roof Line

Instead of a standard straight cut you must cut these pieces of siding at the same angle as the roof.

Roof leak where siding wall meets roof line.

Homes with gables at different levels on the roofs often have siding that meets the roof line. Proper roof wall abutment flashing examples. It is not good practice to install flashing or bring the membrane up behind the vinyl siding. It appears a roof valley ends at the rainwater collector box tight against the side wall of the house.

Then there is the transition of the. Because the wall is some kind of solid wood metal flashing should have been installed under the shingles and up the face of the wood wall into a groove in the wood. Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right. Of that is the case its an unwise roof design to begin with.

If your roof is asphalt then you can walk around with ease. When installing a flat roof flashing against a wall is critical. The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall. If your roof is older it is possible that the leak is within the roof field.

You can crack roofing if you walk on it so be careful. Each year we receive calls to help diagnose and repair siding leaks that are occurring at siding and roof intersections such as where a garage roof meets the main body of the house and has siding installed on the wall above the roof. One of the first questions we ask is have you had your home resided is the past few years. This means the expanse of shingles slate shakes whatever.

Worn out flashing or missing sealant can also cause roof leaks around dormers. This is exactly what happened as the run off from the roof traveled behind the siding and through a layer of rigid insulation and a layer of wall sheathing. Vertical leaks saturated the insulation inside the walls and the water cascaded over the several layers of floor levels on the 2 story to bi level intersections. A roof leak at the edge of a dormer can allow a lot of water to enter your home.

Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot. Other materials such as slate concrete tile or clay tile may not be so forgiving.