Reverse Slope Deck Roof

If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.

Reverse slope deck roof. If you choose to add a roof to an existing deck you may need to add additional supports so it can hold the weight of the roof. Adding a roof to your deck is best done as the deck is being built. To provide drainage the panels should slope toward the outside edge of the deck about 1 4 in. First mark all the purlin locations on the deck joists.

This significantly sloped deck roof allows for proper drainage of rain and. 1300 211 355 licenced bld 240199. Consider including an ice and water barrier too. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.

The most common styles are gable hip and shed. The most common type of deck roof the gable roof forms a triangular shape projects along a ridge down the center of the deck and overhangs the enclosed space. Brian cornwell writer brian cornwell founded next luxury in 2007 as a magazine for modern gentlemen. It works well for long and narrow decks but not for deep decks because of the slope required.

However you can only use this pitch with built up roofing or specialized synthetic roofing.