How To Install Roof Jack On Flat Roof

Momentarily lift the boot and apply sealant to hold the flashing in.

How to install roof jack on flat roof.

Slowly go up the ladder to check if you are able to reach the sloping portion of the roof. The front end of the base goes under the shingle just above it and you drive a 3 inch nail through the hole at that end to secure it. Attach a jack by driving two 16d nails never roofing nails into a rafter. Determine placement determine the best place to fasten your first roof jack.

Cut roof shingles to fit around the roof jack and insert them under the existing shingles. Install the roof sheathing. Cut the shingles to fit around the flange s dome. The plank should overhang the jacks by about 6 inches on each side.

Secure the new roof jack to the roof decking with roofing nails. Install shingles as normal up to the base of the plumbing vent. Installing a roof plumbing vent is typically an easier task than flashing a chimney. X research source after you ve braced and installed all the rafters you re ready to start installing a layer of roof sheathing basically just plywood over which the weather stripping and shingles will be installed nailing it to the outside of the rafters accordingly.

Adhere the joint where the cut edges of the shingles meet the dome with roofing tar. If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof. Secure plank slip whichever size board usually a 2x8 inch or 2x10 inch will fit snugly into the jacks. Adhere the shingles adjacent to the flange with roofing tar.

Each jack has a flat base with a series of nail holes. We ve also shared a few steps on how to apply it to your own roof. Twin home experts review on sure coat white reflective coating system for flat roofs. Here is how you do it.

Slide a new roof jack sized to fit your vent pipe over the pipe. Carefully place a ladder by the side of the roof and make sure that it is stable and secure. Place the flashing or boot onto the plumbing vent so the base is resting on shingles.