How To Support A Roof Deck

Adding a roof to your deck is best done as the deck is being built.

How to support a roof deck.

To avoid any modifications to the existing deck below or to facilitate future replacement of the deck below the roof the roof can also be designed independently from the deck. Pictures of roofs over decks. In most cases larger footings and sometimes more footings are required for a roofed deck. If the deck doubles as a porch it needs to be able to support no more than 80 psf.

However this calculation can vary depending upon what you plan on. We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the 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. To safely install a roof deck the roof needs to be able to support about 55 pounds of weight per square foot in general.

Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons. The cost will vary depending on the professionals hired materials used square footage and weather conditions. The most common styles are gable hip and shed. In the past many decks were built with 4x4 support posts also called structural posts.

For that reason we strongly recommend that you use 6x6s instead even if your building department does not demand them. For deck roof posts dig holes for the roof posts and pour cement to keep them secure. And if a deck is over 10 feet tall you should install bracing. Another great thing about installing a roof over your deck is that you can personalize it to match your style and tastes.

Start here if you want to build a roof over a patio or deck. This is why it s best to add a roof during initial deck construction. Covered decks can be made with either stand alone roofs or when the deck is adjacent to a building with a roof connected to the building. If local codes allow setting the overhead directly on an existing slab but the concrete is not thick enough to support the overhead s weight you will.

A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above. But these can bow seriously even if a deck is only 3 feet off the ground. Porch decks also require larger footings than deck footings. Adding a covered roof to your deck will typically cost between 3 000 10 000.

Designing the deck roof. Consider including an ice and water barrier too.