How To Support A Deck Roof

A higher pitched roof would be better for extra living space than a lower pitched roof.

How to support a deck roof.

This is where a high pitched roof is necessary. Convert the space under a second story deck into a dry spacious patio by installing this simple under the deck roof and gutter system. The other is just used to support the trusses. Blocking must be installed adjacent to the rim joist.

Start here if you want to build a roof over a patio or deck. Rafters should be attached to the header beam using hurricane ties. If you are tying the shed roof into an existing roof on the house you will need to remove the shingles and sheathing to expose the roof framing. A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above.

However this calculation can vary depending upon what you plan on. Once again a 2 by 4 inch piece of lumber is placed between the trusses and parallel to the ceiling joists. Porch decks also require larger footings than deck footings. Install bracing cut from the same 2 x material you used for the joists 2 x 8 for this deck between joists in the middle of the frame to support parting boards.

If the deck doubles as a porch it needs to be able to support no more than 80 psf. Support posts should be spaced less than 8 apart and be located on top of properly sized frost footings. Parting boards also known as pattern boards add a distinctive look and can eliminate the need to butt boards together to span the width of the deck. Jason is a contractor host of decks.

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. For deck roof posts dig holes for the roof posts and pour cement to keep them secure. 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.

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. 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.