Installing Metal Roofing Over A Deck

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.

Installing metal roofing over a deck.

Then stretch a string between them. This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. 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. Hardwood decking is then fastened to tapered pressure treated sleepers that rest on additional strips of epdm added to protect the roof from abrasion.

Our experts can take care of all this and more. These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Lower than the purlin along the house 12 x 1 4 3.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Place the first screw. A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months. Install tar paper on the plywood sub roofing and then follow up by laying the tin roofing down.

Tie the tin roof into your existing roof using metal flashing available at any home supplies store. Silva also demonstrates how to detail the roof edge and to flash the posts. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. Discuss the following issues with your professional handyman during the deck roof design process.

If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in. Install the purlin along the house and the outer purlin. In this video i cover measuring the roof figuring the metal th. First mark all the purlin locations on the deck joists.

Here are 10 options we love. Install the roofing screws vertically along each rib in the panel. This will ensure a waterproof seal at the junction of house roof to deck roof. The best time to build a roof over your deck is during the construction of the deck itself.

If you have an existing deck it s possible to add a roof to it by installing additional supports.