Apply a 1 4 inch wide bead of caulk over the seam where the two panels overlap.
How to seal roof to siding.
Apply a coat of sealant to the roof using the roller.
Installing the z trim.
Work your way across the entire roof to apply caulk to all remaining seams to seal them.
See below for a shopping list and tools subscr.
Insert a tube of butyl caulking into a caulk gun and snip the end off using sharp scissors.
This includes the joints edges and peaks of the roof.
Make sure that the coat is as thorough as possible.
If you were to seal a roof with the most popular silicone sealant you could expect to pay 1 00 to 1 65 per square foot for coating materials and 0 50 cents per roof.
This old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding.
In those instances the best thing to do is remove the siding and run the flashing up against the wall and replace the siding so that you have a watertight finish.
Be sure to cover the entire surface.