Spread roofing cement on top of the curb press the skylight into it and nail the skylight in place.
How to flash a roof curb.
Be sure to lace the step flashing with the course of shingles.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Install ice water shield peel stick underlayment down the curb onto the roof deck.
Install top flashing step flashings properly sized for the shingle and bottom flashing.
Installing a curb mount skylight step by step from start to finish.
Fasten loose nails and cover exposed nail heads with roofing cement.
Roofing solutions by eric garcia 283 188 views.
Recaulk the joints between the roof and the flashing.
Instead coordinating the curb size with the rib spacing to provide a rib to rib curb eliminates fasteners down both sides of the curb in the pan of the roof panels.
Place step flashing along the sides of the curb under the shingles.
These flashings are easily welded to the installed membrane and the combination of reinforced membrane and prefabrication ensures a long lasting watertight flashing.
Milcor s roof penetration products like its heat and smoke vents are prefabricated with roof curbs and flashing for an all in one solution.
The roof components first the basic design of the curb should take into account the roofing components so that it can be properly flashed into the roof system.
Roofing cement can dry out and crumble away exposing joints to water.