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.

How to support a roof deck.

However this calculation can vary depending upon what you plan on. And if a deck is over 10 feet tall you should install bracing. Designing the deck roof. 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 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. 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. Consider including an ice and water barrier too.

Start here if you want to build a roof over a patio or deck. Porch decks also require larger footings than deck footings. To safely install a roof deck the roof needs to be able to support about 55 pounds of weight per square foot in general. Adding a covered roof to your deck will typically cost between 3 000 10 000.

Blocking must be installed adjacent to the rim joist. But these can bow seriously even if a deck is only 3 feet off the ground. Another great thing about installing a roof over your deck is that you can personalize it to match your style and tastes. A regular deck can support a certain amount of weight per square foot but a deck roof adds a lot of weight and requires support.

This is where the real planning began as the design of the roof would drastically effect the appearance of the finished deck. In the past many decks were built with 4x4 support posts also called structural posts. Adding a roof to your deck is best done as the deck is being built. In most cases larger footings and sometimes more footings are required for a roofed deck.

For deck roof posts dig holes for the roof posts and pour cement to keep them secure. For that reason we strongly recommend that you use 6x6s instead even if your building department does not demand them. If the deck doubles as a porch it needs to be able to support no more than 80 psf. The cost will vary depending on the professionals hired materials used square footage and weather conditions.

A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above. 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.