Installing A Roof Over An Existing Deck

Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option.

Installing a roof over an existing deck.

Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch. Porch decks require 25 additional psf for roof loads for a total of 80 psf. A free standing roof needs to have posts sunk into the ground. After that to make it flush with the roof of the existing house cut the two outer rafters.

Attach the horizontal beam by using a nail gun. Discuss the following issues with your professional handyman during the deck roof design process. Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof. Start here if you want to build a roof over a patio or deck.

Building a shed roof over a deck. The sleepers aren t fastened in place and the floor floats. If you have an existing deck it s possible to add a roof to it by installing additional supports. A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months.

It will probably only be a couple of days work and might not cost as much as you think. 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. Make a cutting on one of the sides of the horizontal roof beam on an angle. Building on an existing 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. These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes. We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof. Our experts can take care of all this and more.

Do not attach the post base to only decking. The best time to build a roof over your deck is during the construction of the deck itself. You have to do it thoroughly so that the rafters sit flush on it. Joining a home made roof to your existing roof might require a level of expertise that you don t really have.

In this scenario it might be a good idea to hire a professional to get the job done for you. Install post base connectors to attach the support posts to the deck frame. Typical decks are designed to support 55 psf lbs per square foot. A free standing roof can be built over a deck paved patio or concrete pad.

A properly installed layover roof can look and function as well. 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.