How To Support A Deck Roof
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.
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. To safely install a roof deck the roof needs to be able to support about 55 pounds of weight per square foot in general. Blocking must be installed adjacent to the rim joist.
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. 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. Porch decks also require larger footings than deck footings. Once again a 2 by 4 inch piece of lumber is placed between the trusses and parallel to the ceiling joists.
We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof. A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above. 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. Jason is a contractor host of decks.
A great deal depends on the pitch of the roof. However this calculation can vary depending upon what you plan on. Support posts should be spaced less than 8 apart and be located on top of properly sized frost footings. If the deck doubles as a porch it needs to be able to support no more than 80 psf.
A new series brought to you by cottage life jason lake shows you common mistakes and easy fixes for building a deck. Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons. 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. Start here if you want to build a roof over a patio or deck.
A higher pitched roof would be better for extra living space than a lower pitched roof. The other is just used to support the trusses.