Installing Metal Roofing Over A Deck

Remove the old roofing.

Installing metal roofing over a deck.

Here are 10 options we love. 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. Our experts can take care of all this and more. The best time to build a roof over your deck is during the construction of the deck itself.

These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes. In this video i cover measuring the roof figuring the metal th. Lower than the purlin along the house 12 x 1 4 3. 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.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Install tar paper on the plywood sub roofing and then follow up by laying the tin roofing down. If you have an existing deck it s possible to add a roof to it by installing additional supports. Then stretch a string between them.

Place the first screw. Install the roofing screws vertically along each rib in the panel. A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.

Install the purlin along the house and the outer purlin. Tie the tin roof into your existing roof using metal flashing available at any home supplies store. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Silva also demonstrates how to detail the roof edge and to flash the posts.

If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in. Screw the steel hex washer head screws into the tops of corrugated waves of tin roofing material to prevent leaking through screw holes at the bottoms of the waves when rain runs down the roof. This will ensure a waterproof seal at the junction of house roof to deck roof. Discuss the following issues with your professional handyman during the deck roof design process.

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.