How To Support Roof Trusses Front Porch 8x16

They are extremely strong and normally constructed off site and made to specific measurements.

How to support roof trusses front porch 8x16. Cut the panels for the roof from 3 4 plywood using the information from the diagram. Use screws to secure the rafter to the sill plate. If the deck doubles as a porch it needs to be able to support no more than 80 psf. If the roof is attached to the deck it needs to be able to support the weight.

As each truss is put up on top of opposite walls it must be put up straight and supported while the next truss is put up. Most economical when the difference in slope between the top and bottom chords is at least 3 12 or the bottom chord pitch is no more than half the top chord pitch. Porch decks also require larger footings than deck footings. The positioning of your rafters will depend on the pitch of the porch roof.

Align the edges flush drill pilot holes and insert 3 1 2 screws to lock the overhangs into place tightly. To hold them up until the decking of the roof is placed on top a 12 foot 1 inch by 4 inch piece of lumber is used. Divide the total load according to how many supporting beams the roof will have. Fit the overhnags to the front and back of the shed with porch.

Flat the most economical flat truss for a roof is provided when the depth of the truss in. Usually trusses are put 24 inches apart. Joist hangers can help you mount each rafter to the house. Decks typically are designed to support 55 pounds per square feet or psf of weight.

Building a porch roof using trusses the simplest form of a truss is one single triangle with fixed sides. One of the major considerations of the porch roof is the support that will keep it from falling down. Instead of just having an open porch installing a porch roof will enable the homeowner to be able to use the space during times of rain or intense sun. Bracing for putting up trusses.

Fitting the roof sheets. The porch roof may match the pitch of your home or have a more shallow roof pitch. If there is also a beam in the middle of the roof divide the total load by three. A planar truss like the one above lies in a single plane and is usually used together to form the roof support structure.

Position the rafters on top of the sill plate. If one side of the roof is supported by the house and the other side is supported by the beam divide the total load by two as the beam is only supporting half of the roof. Custom roof trusses ordered from lumber yard. Adding a roof onto an existing porch can add a lot of character to the front of your home.

10 inch long 5 8 inch bolts and matching washers and nuts.