Support Beams For Porch Roof

The main structural members of patio and deck overheads are posts or columns and beams which run from post to post or from post to ledger.
Support beams for porch roof. This means the example porch would need a 6 inch by 8 inch beam. Large 8 x 8 posts are necessary for the use of supporting a porch roof. They also can be boxed in with wood after installation. Measure the distance between the bottom of the porch roof and the top of the ledger beams of the porch.
Minimum sizes of posts and beams are set by engineering requirements and are strictly governed by local building codes. A flitch plate is a metal plate sandwiched between two framing members such as 2 x 10s. In the example d calculates to 7 75. Apr 26 2018 explore christina romero s board porch beams followed by 132 people on pinterest.
The metal thickness is based on the width of the space to be spanned. The beams support the roof rafters or joists which in turn hold the roofing material. Metal beams could also be used and would eliminate the need for most of the supporting posts across the front of your porch. Calculate the initial value for d then round it up to the nearest inch.
While many like to use the smaller 4 x 4 posts they can tend to warp after they have been standing under the weight for several seasons. See more ideas about house exterior porch columns house with porch.