Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Flashing a sun porch roof.
Correctly installing flashing between a patio cover and house at the roof line is crucial to prevent water intrusion.
If the leak is dripping in the middle of the roof go to the top of the roof and check if some of the shingles are cracked.
How to fix lead flashings.
In this rogue episode matt will show you a method to waterproof this very tricky transition between a wall and flat concrete slab.
Flashing a patio roof ledger unless it will be protected from rain by the house s eaves or a solid roof a roof ledger that is fastened directly to a house with wood siding should be capped with galvanized metal z flashing that tucks up under siding to prevent water from seeping in behind it.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.
Nail the flashing securely in place using roofing nails.
The most common method of fixing lead flashings is to make a lead bung also known as a lead chock.
This flashing has two sides one connected just on top of the porch roof and the other to the exterior wall.
Try to keep the nails as flush as possible to the edges.
Place the flashing between the joint of the house and the roof.
Cut the bend line halfway into the piece of flashing with tin snips once you reach the roof peak if you have a gabled porch addition.
Flashing is installed to surround roof features such as vents chimneys and skylights.
This is made by rolling up a 25mm or less strip of lead into an oval shape just wider than the mortar chase you are fixing and then driving it below the surface of the bricks to form a wedge.
Find out if the flashing is correctly installed and sealed or if it has holes caused by corrosion.
Most flashing is 8 inches wide.
The flashing on the wall should be flush against it and the porch roof portion should be on top of the shingles.