Once you know where the flat roof flashing goes and you have trimmed it the easy part is installing it.
Install flat roof flashing.
Roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing image details roofing wrb flashing.
Prepare the roof by tearing off the old shingles or by preparing for a reroof.
Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.
Flat roof flashing this could virtually be any type of flat roof the upstand of the flat roof covering is overlapped by the drop of the flashing.
Typically flashing is installed using roofing nails and roofing cement.
Lead flashing maximum length.
If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend.
Place the flashing where you determined and hammer it in place using roofing nails until the head of the nail is flush with the roof.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
Bend the corner flashing tightly around the corner.
Step flashing on roof peak.
Working with a helper expect to spend half a day installing flashings and roll roofing for a 700 square foot roof with modest complications.
Flashing on a wall above a flat roof.
This video demonstrates where flashing could be leaking from on a brick wall.
The gibraltar building products l flashing protects your home the gibraltar building products l flashing protects your home from moisture infiltration where your wall meets your roof.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Ideally this should be 150mm or a minimum of 75mm again common sense and exposure applies.
L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.
For a flat or nearly flat roof use double coverage although a torch down modified bitumen or epdm roof is a better solution.
