5 Best Of How To Build A Deck With A Roof Free Download. The footings for porch decks must be larger than deck footings. Typical decks are designed to support 55 PSF lbs per square foot.
Repeat the process on the opposite edge. As a result most decks have inadequate footings to support a new porch roof. To ensure a precise cut screw or clamp a.
Cut along the line using a circular saw.
If you simply add a roof to a deck not designed to support one without the right retrofitting you will be putting your family members and guests at risk. Whenever I install decking over a roof I make sure the framing is structurally sound and properly pitched to drain water. Sep 10 2014 Framing the roof. Start by pulling a measurement of 1 inch or 1-12 inches at each corner then snap a chalk line across the decking ends.