Residential Roof Deck Drawings

Consider including an ice and water barrier too.

Residential roof deck drawings.

Any use of any plan on this website is at your own risk. Adding a roof to your deck is best done as the deck is being built. 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.

Consumer and builder accept all responsibility and liability for all aspects of the use of any plan found on this website. We include walk on roof surfaces roofing membrane to use below a rooftop deck and construction of rooftop deck railings and posts. The most common styles are gable hip and shed. This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards.

Some key details for a leakproof rooftop deck are. The drainage system flashing details and waterproofing membrane that go over the structural deck are the key to success. Post base connectors. Porch decks require 25 additional psf for roof loads for a total of 80 psf.

The footings for porch decks must be larger than deck footings. 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. Building a shed roof over a deck. Typical decks are designed to support 55 psf lbs per square foot.

As a result most decks have inadequate footings to support a new porch roof.