How To Design A Roof Deck

You ll need to make sure your roof can withstand the extra weight of the deck before you proceed.

How to design a roof deck.

Porch decks require 25 additional psf for roof loads for a total of 80 psf. The simplest method and one that would work well against a two story house is a lean to type of roof. To 3 roof and composite floor deck to concrete form deck to long spanning deep deck profiles asc steel deck s extensive product offer meets the needs of the most complex conditions and demands for structural performance and design. Most of our roof deck products are offered in a variety of acoustical and perforated options.

The most common styles are gable hip and shed. Many porches use 22 diameter corner and intermediate. The most common way is to create an opening in the roof and turn a portion of the attic into a roof deck patio. Adding a roof to your deck is best done as the deck is being built.

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. Just click and place blocks posts surface boards and other elements into your deck plan. Simply put a couple of posts in the corners of the deck farthest from the building with a header between them and add rafters up to the roof of the building or attached to a ledger fastened to the wall of the building. Consider including an ice and water barrier too.

Typical decks are designed to support 55 psf lbs per square foot. The footings for porch decks must be larger than deck footings. You can also draw elevation plans to see how the deck will look from grade level.