Residential Roof Deck Drawings

Many porches use 22 diameter corner and intermediate.

Residential roof deck drawings.

Building a shed roof over a deck. Post base connectors. This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards. We include walk on roof surfaces roofing membrane to use below a rooftop deck and construction of rooftop deck railings and posts.

The drainage system flashing details and waterproofing membrane that go over the structural deck are the key to success. As a result most decks have inadequate footings to support a new porch roof. The most common styles are gable hip and shed. Consumer and builder accept all responsibility and liability for all aspects of the use of any plan found on this website.

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. Some key details for a leakproof rooftop deck are. Porch decks require 25 additional psf for roof loads for a total of 80 psf. The most common approach is to use a heavy gauge epdm membrane typically 60 mil as the roofing membrane usually placed over rigid insulation.

Typical decks are designed to support 55 psf lbs per square foot. The footings for porch decks must be larger than deck footings. Consider including an ice and water barrier too. 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.

These deck plans plan are not considered valid unless approved by your local building inspector or structural engineer.