Installing Metal Roofing Over A Deck

This will ensure a waterproof seal at the junction of house roof to deck roof.

Installing metal roofing over a deck.

Our experts can take care of all this and more. Remove the old roofing. The best time to build a roof over your deck is during the construction of the deck itself. Silva also demonstrates how to detail the roof edge and to flash the posts.

Tie the tin roof into your existing roof using metal flashing available at any home supplies store. If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in. In this video i cover measuring the roof figuring the metal th. Install the roofing screws vertically along each rib in the panel.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. There are tons of reasons to build a deck over a roof from creating a romantic outdoor breakfast nook off a second floor master bedroom to providing a second floor porch on a city house. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.

This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. First mark all the purlin locations on the deck joists. Attach 3 by 3 foot sheets of tin to each section of the frame using 1 inch steel hex washer head screws and a cordless drill. Place the first screw.

Install tar paper on the plywood sub roofing and then follow up by laying the tin roofing down. These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes. Install the purlin along the house and the outer purlin. Hardwood decking is then fastened to tapered pressure treated sleepers that rest on additional strips of epdm added to protect the roof from abrasion.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Lower than the purlin along the house 12 x 1 4 3. Here are 10 options we love. If you have an existing deck it s possible to add a roof to it by installing additional supports.

A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months.