How To Support A Roof Deck

Consider including an ice and water barrier too.

How to support a roof deck.

Designing the deck roof. 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 most cases larger footings and sometimes more footings are required for a roofed deck.

Adding a covered roof to your deck will typically cost between 3 000 10 000. 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. 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.

However this calculation can vary depending upon what you plan on. For deck roof posts dig holes for the roof posts and pour cement to keep them secure. Start here if you want to build a roof over a patio or deck. 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.

This is where the real planning began as the design of the roof would drastically effect the appearance of the finished deck. A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above. We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing 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.

If the deck doubles as a porch it needs to be able to support no more than 80 psf. And if a deck is over 10 feet tall you should install bracing. Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons. Pictures of roofs over decks.

This is why it s best to add a roof during initial deck construction. 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. 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.

In the past many decks were built with 4x4 support posts also called structural posts. 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.