Putting Roof Over Two Story Deck

Building on an existing deck.

Putting roof over two story deck.

A free standing roof can be built over a deck paved patio or concrete pad. We show you how two different roofs are constructed so you will know what is involved. Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. Building a porch roof or screened in porch roof over an existing deck or patio can be fairly straight forward or very complex depending on the type of roof you choose.

Porch decks require 25 additional psf for roof loads for a total of 80 psf. Most porch roofs are typically shed roofs or variations of hip roofs. A two foot over hang here to cover the two feet of deck cantilever solves having to transfer the roof load at this point or at the end of the truss. Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.

Using lag bolts and a screwdriver fasten the base of the posts to the ground. The most common type of deck roof the gable roof forms a triangular shape projects along a ridge down the center of the deck and overhangs the enclosed space. You can either remove the eave or just keep it. Measure the sightline clearance height from the roof to the house not the other way around.

A free standing roof needs to have posts sunk into the ground. Your truss manufacture is capable of determining this spec and by all means should. 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. This significantly sloped deck roof allows for proper drainage of rain and.

Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. You have to make. This means your pitch here is crucial. Check local building code to see if you can attach a patio roof directly to your deck.

Measure the size of the beam that you are going to use. With the weight of the roof assembly you really wouldn t need a heckuva lot more than a couple of finish nails to keep it from walking but i load it up so there are no uplift concerns. Build the frame of the roof on the ground. It works well for long and narrow decks but not for deep decks because of the slope required.

No worries though as always careful planning will prevent problems. Blow out the dust fill the hole with epoxy and insert the rod to the required depth.