How To Support A Roof Deck

In most cases larger footings and sometimes more footings are required for a roofed deck.

How to support a roof deck.

We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof. In the past many decks were built with 4x4 support posts also called structural posts. 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. If the deck doubles as a porch it needs to be able to support no more than 80 psf.

For deck roof posts dig holes for the roof posts and pour cement to keep them secure. Consider including an ice and water barrier too. This is where the real planning began as the design of the roof would drastically effect the appearance of the finished deck. Blocking must be installed adjacent to the rim joist.

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. Adding a roof to your deck is best done as the deck is being built. The cost will vary depending on the professionals hired materials used square footage and weather conditions. However this calculation can vary depending upon what you plan on.

Pictures of roofs over decks. To safely install a roof deck the roof needs to be able to support about 55 pounds of weight per square foot in general. Another great thing about installing a roof over your deck is that you can personalize it to match your style and tastes. 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.

Designing the deck roof. 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. A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above.

Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons. Porch decks also require larger footings than deck footings. But these can bow seriously even if a deck is only 3 feet off the ground. Adding a covered roof to your deck will typically cost between 3 000 10 000.

For that reason we strongly recommend that you use 6x6s instead even if your building department does not demand them. And if a deck is over 10 feet tall you should install bracing.