Re Roofing Around Vents

The building codes and building science for natural roof ventilation however only appeared in the 1940s.

Re roofing around vents. Pull back on the plunger of the gun and place a tube of caulk. Position a ladder carefully against the edge of the roof securing the legs from wobbling or the ladder from folding. Installing shingles around attic vents plumbing vent stacks and furnace stacks is basically the same process. Use galvanized roofing nails long enough to fully penetrate the sheathing typically 1 1 2 inches for a second roof and 1 3 4 inches for a third.

Nesting each new row below an existing one keeps the new nails 2 inches below the existing which will help minimize any splitting of the sheathing. Load the caulking gun to have it ready when needed. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals. Venting prolongs the life of the roof.

Reuse a vent or flashing only if it is like new. Remove debris make sure your roof valleys are clear of debris re shingle valleys valleys may need to be reshingled with new ice and water shield put in place. Roof ventilation in a cold climate vents moisture and ensures a cold roof temperature to avoid ice dams. Cut the old caulk line.

Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. Roofers use a circular saw to cut a long slot along the roof ridge if there isn t one then cover it with a plastic flap as shown or a flexible vinyl matrix. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.

The main difference is that you ll install a piece of self stick underlayment around all the stacks but you just need to roll the felt paper over the vent holes and cut out the holes. Plenty more videos t. If you damage shingles while doing this repair the shingles see next step. How to seal around roof vents 1.