Installing Corrugated Roofing Under Deck

In one case i fastened the corrugated plastic roofing to strapping nailed perpendicular to the joists above using tapered spacers to create slope.

Installing corrugated roofing under deck.

Under deck roof the family handyman. Rune bought corrugated fiberglass panels at a home center to. Plastic is much lighter and easier to work with making it popular with homeowners looking to save money that could be spent hiring professional installation teams. To install corrugated roofing start by cutting your panels to length with an angle grinder.

One of our readers rune eriksen sent us photos of his design for a home built deck drainage system and we were impressed enough to check it out. Corrugated plastic roofing is a long lasting and low maintenance alternative to corrugated metal roofing. Install a wood support structure for your panels screwing a row of 2 by 4s running parallel to your wall every 2 feet along the underside of your deck. Have you ever wanted to make better use of the space under your deck.

For a house roof the recommended minimum slope is 2 5 vertical inches for every horizontal foot but a nearly flat roof is fine for under deck installations. Step 2 install a wood support structure for your panels screwing a row of 2 by 4s running parallel to your wall every 2 feet along the underside of your deck. Per foot of slope away from the house preferably 1 4 in. For good drainage you want a minimum of 1 8 in.

Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart. Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses. For a house roof the recommended minimum slope is 2 5 vertical inches for every horizontal foot but a nearly flat roof is fine for under deck installations.