Patio Roof Post And Beam Sizes

In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts.

Patio roof post and beam sizes. This tells you the size of the beam needed to support the porch s roof. This means the example porch would need a 6 inch by 8 inch beam. The beams can then be boxed in much as you had planned to do with the 2 x 10s. In the example d calculates to 7 75.

An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry. Microllam beams are available in numerous sizes and can span large distances. 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. The smallest beams for patio covers are typically 4 by 6.

Leave a reply cancel reply. Measuring pergola dimensions learn the standard. 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. A 4 by 10 can usually span up to 12 feet between posts.

If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. I have no doubt that there is a way to adjust the framing so that a few of the supporting posts can be removed. The way the porch roof is currently framed each of those 6 x 6 posts is carrying part of the roof load.