Here is a video on how to seal a flat roof permanent it does not required a lot of skills just time to let it dry completely hope it beco.
How to seal roof bottom.
Push the door sweep against the bottom threshold of the door.
The best time to install gutter apron is before putting down roofing felt.
Gutter apron gutter apron helps seal the bottom edge of the roof and diverts water to the guttering.
A waterproof sealing product such as ge clear gutter caulk available on amazon is easy to use.
When using a vinyl door sweep place a wood tapping block over the weather stripping.
Simply squeeze into cracks and holes then apply a further coating around the entire gutter joint.
Use a screwdriver to screw the sweep in place.
As you lift the shingles apply the cement to the back of the shingle about six inches in.
Squeeze out a bead of caulk beneath the shingles on both sides of the vent to hold the shingles down and to add a water barrier.
That s much easier than renailing the shingles.
Purchase the cement in a tube that will fit your caulk gun.
You can spread a layer over the edges of the flashing where each edge meets the roof and chimney or you can coat the entire area.
Insert the screws into your previously drilled pilot holes.
How much you spread depends on how thorough you want to be.
Rubber and silicone roof sealants form a protective seal over your roof and the best kinds will be breathable as well to allow moisture from household activities like cooking and showering to escape through your roof.
Once the caulk has dried enough on the surface to maintain some solidity apply the flashing cement with the masonry trowel.
Find roof panel closure strips at lowe s today.