How To Add A Roof To An Existing Deck

Porch decks require 25 additional psf for roof loads for a total of 80 psf.

How to add a roof to an existing deck.

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. His low cost easy to build system catches the water that drips through the deck boards and redirects it to the outside of the deck. 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. Let the epoxy set leaving it overnight will assure that it is rock solid and then add the anchor bolt anchor washer and nut and tighten.

Where local building codes allow this practice you can bolt a patio overhead s posts directly to existing deck beams joists or other heavy structural members. In most cases larger footings and sometimes more footings are required for a roofed deck. Building on an existing deck. The sistered joists are nailed into the sides of the existing joists and extend past the beam at least 6.

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One of our readers rune eriksen sent us photos of his design for a home built deck drainage system and we were impressed enough to check it out. Hurricane ties are used to create a positive joist to beam connection. Adding a roof to your deck is best done as the deck is being built. Consider including an ice and water barrier too.

While you re out there soaking up the sunshine you may look up and realize a roof would make the deck that much more enjoyable. A deck offers respite from the daily grind and is a lovely way to pass the time. Without proper planning adding a roof to an existing deck can create an unsafe situation. Typical decks are designed to support 55 psf lbs per square foot.

Adding a roof to an existing deck can take some doing. Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.