The silicone will spread and adhere creating a seal.
How to install a shed roof.
To build a shed roof you ll need rafter boards plywood gusset plates plywood sheathing felt roofing paper and shingles.
Never install the felt vertically across your roof.
In order to make your roof water tight and to eliminate wind infiltration first place tar on the bottom edge of the roof and lay a row of roofing shingles upside down all the way across the bottom of the roof.
First cut your rafter boards to size using a circular saw to make sure they fit your roof.
You may need to cut panels to fit angles using a circular saw with a metal saw blade.
Adjust the felt as you roll it making sure that it s straight with no bubbling.
For hip type shed roofs which include slopes on all 4 sides begin at the square hip at the top of the roof.
Metal roofing is also available in the form of shingles.
Install asphalt roofing on storage shed.
Allow about 1 foot 0 30 m of the felt to hang over the hip.
Roofing shingles come in strips that are generally about 3 feet long and 8 or 10 inches wide.
Continue adding panels until the roof is covered.
Make a birdsmouth notch at the end of each rafter to help it fit into place.