Post And Beam Patio 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.

Post and beam patio roof.

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. Laredo sunset post to beam connectors are designed to add stability and style to any project imaginable using 6 in. For a porch roof the beam needs to be sized according to the maximum snow loads in your area and you must know enough about the porch design to determine how the load will be distributed and over what distance the beam will carry the load. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts.

Step 1 determine the load per square foot that the roof must support. A 4 by 10 can usually span up to 12 feet between posts. Minimum sizes of posts and beams are set by engineering requirements and are strictly governed by local building codes. When the 4x6 beam is in place and supported by the 4x6 posts the existing roof does not carry any of the weight of the new patio cover roof.

This new patio cover roof plan replaces the ledger board that you might attach to existing fascia with a 4x6 beam supported by 4x6 posts. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. Make a cutting on one of the sides of the horizontal roof beam on an angle. After that to make it flush with the roof of the existing house cut the two outer rafters.

The smallest beams for patio covers are typically 4 by 6. See more ideas about post and beam timber frame timber framing. You have to do it thoroughly so that the rafters sit flush on it. The ozco ornamental wood ties owt 8 in.

Patio roof beam calculator september 10 2016 by arfan leave a comment deck beams and posts beam spans post sizes by alter how to attach a patio roof an existing house diy pj roof beam span table newgroun co a to residential decks and patios city of saskatoon roof beam span table newgroun co. The beams support the roof rafters or joists which in turn hold the roofing material. 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.