How To Flash A Roof Curb

Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.

How to flash a roof curb.

Roofing cement can dry out and crumble away exposing joints to water. Fasten loose nails and cover exposed nail heads with roofing cement. 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.

Spread roofing cement on top of the curb press the skylight into it and nail the skylight in place. 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 skylight dome on the curb and secure with proper fasteners. Installing a curb mount skylight step by step from start to finish.

Placing the curb on and attaching it to the ribs also allows better transitioning from under the roofing on the upslope end to cover the roof on the downslope end. Roofing solutions by eric garcia 283 188 views. Install top flashing step flashings properly sized for the shingle and bottom flashing. Install ice water shield peel stick underlayment down the curb onto the roof deck.

Be sure to lace the step flashing with the course of shingles. Place step flashing along the sides of the curb under the shingles.