Patio Roof Post And Beam Sizes

Patio roof beam calculator.

Patio roof post and beam sizes.

I have no doubt that there is a way to adjust the framing so that a few of the supporting posts can be removed. A 4 by 10 can usually span up to 12 feet between posts. The way the porch roof is currently framed each of those 6 x 6 posts is carrying part of the roof load. Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.

What kind of board can span 16 ft for a wall pergola home patio cover plans build your or deck patio roof beam calculator cantilevers in the 2016 code professional deck builder patio cover plans build your or deck. This tells you the size of the beam needed to support the porch s roof. Patio roof beams beams can be solid lumber or be built from lengths of 2 by lumber nailed together with 1 2 inch pressure treated plywood spacers in between this forms a 3 1 2 inch thick beam that is equal to the width of a 4 by post. In the example d calculates to 7 75.

The beams can then be boxed in much as you had planned to do with the 2 x 10s. The smallest beams for patio covers are typically 4 by 6. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts. Leave a reply cancel reply.

Calculate the initial value for d then round it up to the nearest inch. This means the example porch would need a 6 inch by 8 inch beam. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts.