How To Install Corrugated Plastic Roofing Under A Deck

We thank kemlite for allowing us to reprint these installation instructions for their sequentia corrugated roof panels.

How to install corrugated plastic roofing under a deck.

To install corrugated roofing start by cutting your panels to length with an angle grinder. Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses. 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. Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.

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. These versatile plastic panels make excellent roofs for greenhouses and decks allowing filtered light through but keeping the elements at bay. Adding a sloped sheet metal roof under a deck to make a dry place to store outdoor stuff like the wheelbarrow or kids toys. Corrugated plastic roofing is a long lasting and low maintenance alternative to corrugated metal roofing.

This is a fine do it yourself project for anyone with good carpentry skills. If you ve got a pergola attached to your house then you might want to give yourself some extra shelter and protection from the weather simply by installing. 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. 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.