Installing A Roof Over An Existing Deck

A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months.

Installing a roof over an existing deck.

Roof over deck cost. We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option. Start here if you want to build a roof over a patio or deck.

If it is next to a house or structure it should be secured to the siding or roof of that structure as well to keep it stable through high winds and lashing rains. A free standing roof needs to have posts sunk into the ground. The sleepers aren t fastened in place and the floor floats. Typical decks are designed to support 55 psf lbs per square foot.

Do not attach the post base to only decking. If you have an existing deck it s possible to add a roof to it by installing additional supports. Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water. Make a cutting on one of the sides of the horizontal roof beam on an angle.

One alternative option that you can do yourself is to have a slightly higher roof on your deck so that it s above your main roof slightly and overhangs. A properly installed layover roof can look and function as well. A free standing roof can be built over a deck paved patio or concrete pad. Our experts can take care of all this and more.

Porch decks require 25 additional psf for roof loads for a total of 80 psf. Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof. Building on an existing deck. After that to make it flush with the roof of the existing house cut the two outer rafters.

Discuss the following issues with your professional handyman during the deck roof design process. Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch. In this scenario it might be a good idea to hire a professional to get the job done for you. You have to do it thoroughly so that the rafters sit flush on it.

These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes. Make sure the frame has the appropriate blocking to ensure a solid connection. 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 have to pour new footings around the slab s perimeter or break out sections and pour deeper footings. Joining a home made roof to your existing roof might require a level of expertise that you don t really have.

Attach the horizontal beam by using a nail gun. Install post base connectors to attach the support posts to the deck frame.