First use a stiff wire brush and solvent to clean the surface of any dirt debris or corrosion keep solvent away from asphalt shingles.
How to put up flashing on a roof.
Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it.
Step flashing on roof peak step three.
How to install porch roof flashing step 1.
Gently hammer the 45 degree cut around the corner of the porch roof seam.
This helps to prevent water from sliding around the aluminum flashing and into the roof area.
The corner cut should be facing upwards.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
Two ways to flash roof edges.
Next place your vent flashing on top of the membrane.
To get the best from the flashing you should fit of the sheet onto the side of the roof and the other half onto the building or addition which it is touching.
The remaining siding on the sidewall will overlap the step flashing and nail.
Measure the length of the porch roof joint to determine how much flashing you will need.
Step 3 install the flashing.
Lay the cut flashing down at the corner over a shingle that is already in place.
Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent.
You may want to paint the flashing to match the roof.
Coat the flashing with a zinc based primer followed by two or more coats of spray on rust preventive metal paint.
However the principles are the s.
Ensure it sits flat and extends at least 8 inches above the shingles.
Bend the corner flashing tightly around the corner.
Details concrete masonry roofing wrb flashing.
If you already have faulty flashing installed you.
Required materials for this project roofing nails step flashing.
Prepare the area where you will install the roof flashing.
One common method is to lay the edge metal under the eaves membrane and over the rake.
Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place.
