Splice Patio Roof Header

Number of plies and jacks in 2 2 x 8 2 2 x 10 2 2 x 12 3 2 x 10.

Splice patio roof header.

Fastened to the post with structural screws or through bolts splice blocks typically run from the top of the beam and overlap the post beam joint by a foot or two. Header spans for exterior walls on buildings 20 wide. How to properly splice a joist or rafter we ll begin our discussion by reminding everyone that carpenters have been splicing wood together for thousands of years. Use two nails on each end and at splices.

Cut each board to 15 feet with a circular saw so the splice will fall between rafters and each end of the splice will be fully supported by a pair of rafters. Attaching rafters beams when building a patio roof it can be tricky to build the post and beam structures that support the rafters. Splice blocks can be used on unnotched 4x4 posts as well. If there is also a beam in the middle of the roof divide the total load by three.

If our example roof has only one beam it must carry half of the total load or 4 000 pounds. A 30 foot roof for instance will need at least two boards. Dimensional lumber is readily available in lengths up to 20 which should accommodate a seamless beam for most applications. Rafter plates are almost always spliced due to the length of most structures.

Splices in beams should be supported by a post or structural column of some sort. You can go with opaque twin wall sheeting if you want to get some natural light for your patio. It s one of the things carpenters do best but still there are those who say that this is the purvue of an engineer and no one else. And the beams should be connected to the post with an approved metal connector.

How to splice a roof rafter plate. The post or column should rest on a foot ing that meets local building code requirements. Stagger the rest of the nails 32 o c. Of solid wood over posts.

How to splice a deck beam over a support post it is always best to use a continuous beam without seams for higher strength. If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate. It will not only allow you to raise the ceiling up to 2 feet but also give various splendid options for the finishing look and relaxed ambiance. When posts are shorter than 5 feet i use a single splice block.

The patio roof which is raised with some brackets requires a custom barge cap. Beams should be supported by at least 1 in. A 16 foot board will end at a rafter with 24 inch spacing.