Attic joists for live loads.
How to build a support beam in attic.
If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or.
After you ve settled on a beam size build temporary walls on both sides of the bearing wall.
Place one of the boards for the beam flat on the saw horse.
Bracing for extra support.
Joist dimensions are only part of the equation.
You can now remove the temporary support wall.
Attic joists that are made from 2x8s may be acceptable for building your attic floor but because every room is variable there are no absolutes.
Place the plywood strip on the board for the beam.
Tie in the support beam.
Wide opening total will give you room to work and allow you to patch the opening with a sheet of drywall.
At the ends use metal hurricane straps to connect the beam to the jack studs.
Tie in the support beam to the jack and king studs and to the ceiling joists.
Cut the 8 foot plywood strips 1 4 inch shorter than the two boards for the support beam.
Cut an opening in the ceiling and walls on either side of the beam location that gives you room to hammer in joist hangers.
Blind beam in attic to support sagging load bearing walls 17 s to removing an interior load bearing wall how to tell if a wall is load bearing load bearing or not and install a header.
Lay the other board for the beam on top of the plywood.
Pieces of 2 by 4 inch lumber are placed between the trusses underneath the decking to keep trusses straight.
Along the top toe nail the beam to each ceiling joists.