Divide the total load according to how many supporting beams the roof will have.
Post holds up a roof.
The beams support the roof rafters or joists which in turn hold the roofing material.
Once it is plumb mark the position on the porch roof.
Stand a post up in the bracket and hold a level on its side.
Minimum sizes of posts and beams are set by engineering requirements and are strictly governed by local building codes.
Just as effective but creates less space in your attic.
Install another bracket in this position.
Cut two 2 by 4 boards with a circular saw that are 2 inches shorter.
Under the quebec construction code certain kinds of particleboard are also authorized.
First they are much cheaper than rafters.
Roof trusses 2x4s whereas rafters may use 2 8 2 10 or even 2 12 boards.
If there is also a beam in the middle of the roof divide the total load by three.
If they take up more space then why use a truss.
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.
Measure the distance between the top of the jack and the roof.
Roof edge or eaves edge all the boards running along the edge of the roof or eaves.
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Also known as a fascia.
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.
Assuming the roof flashing has been properly installed gravity will help the flashing material direct water down the roof and then to the ground.
Most roofs have roof flashing around the chimney plumbing vent stack fan vent or other item that sticks out from the roof.
Continue installing porch roof supports.
If you are thinking about replacing old rotted porch posts the first thing you ll need to know is how to jack up and support the roof structure properly and.
Place a hydraulic jack underneath the roof near the damaged post.
Bird mouth the top cut and dig a small kicker in at the bottom of course i ll usually have post jacks in place somewhere so i can slightly jack up the roof to release the column.
Usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the shingles.
Once both of the brackets are secured set a post into them.
