How To Install A Roof Jack

Apply caulking compound on underside of roof flashing to form a continuous strip at least 3 8 wide around the underside of the perimeter of the flashing see figure 20 or figure 21 page 13.

How to install a roof jack.

It is usually placed on the fourth. How to install roof jacks step 1. To replace a damaged roof vent jack on your home. Prepping installation carefully place a ladder by the side of the roof and make sure that it is stable and.

Attach two jacks to the roof by pulling up a tab of one of the shingles sliding the top of the jack under it. Secure plank image zoom slip whichever size board usually a 2x8 inch or 2x10 inch will fit snugly into the jacks. 2 connect roof jack assembly to the furnace. Make sure to line up the jack perfectly with the rafter with the bottom butt of the rafter visible at the roof edge.

Pry up the old jack and remove it by pulling it up over the vent pipe. Connect the combustion air pipe to the furnace collar with a sheet metal screw. Determine placement determine the best place to fasten your first roof jack. Carefully pry up the shingles around the roof jack using a flat pry bar.

Insert telescoping roof jack assembly through the opening cut on the roof. Insert the telescoping roof jack assembly through the opening cut in the roof. Slide a new roof jack sized to fit your vent pipe. Step 3 nail the jacks securely.

How to use roof jacks step 1. Remove any roofing nails and slide out the shingles.