Installing Metal Roofing Over A Deck

First mark all the purlin locations on the deck joists.

Installing metal roofing over a deck.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Install the roofing screws vertically along each rib in the panel. Install the purlin along the house and the outer purlin. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.

Here are 10 options we love. Hardwood decking is then fastened to tapered pressure treated sleepers that rest on additional strips of epdm added to protect the roof from abrasion. This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. 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.

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. Silva also demonstrates how to detail the roof edge and to flash the posts. In this video i cover measuring the roof figuring the metal th. The best time to build a roof over your deck is during the construction of the deck itself.

Then stretch a string between them. Place the first screw. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. 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. Remove the old roofing. Discuss the following issues with your professional handyman during the deck roof design process. Our experts can take care of all this and more.

A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months. Lower than the purlin along the house 12 x 1 4 3. 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. If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.

Tie the tin roof into your existing roof using metal flashing available at any home supplies store.