Residential Roof Deck Drawings

The drainage system flashing details and waterproofing membrane that go over the structural deck are the key to success.

Residential roof deck drawings.

As a result most decks have inadequate footings to support a new porch roof. Many porches use 22 diameter corner and intermediate. Adding a roof to your deck is best done as the deck is being built. Porch decks require 25 additional psf for roof loads for a total of 80 psf.

Some key details for a leakproof rooftop deck are. Post base connectors. 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. Consumer and builder accept all responsibility and liability for all aspects of the use of any plan found on this website.

The most common approach is to use a heavy gauge epdm membrane typically 60 mil as the roofing membrane usually placed over rigid insulation. The most common styles are gable hip and shed. Consider including an ice and water barrier too. Building a shed roof over a deck.

Any use of any plan on this website is at your own risk. These deck plans plan are not considered valid unless approved by your local building inspector or structural engineer. Many building departments require a local architect or engineer to design plans for porch roofs because of the increased snow roof and wind loads created by adding a roof. Typical decks are designed to support 55 psf lbs per square foot.

The footings for porch decks must be larger than deck footings.