Reinforcing Ceiling Joists Attic

If the existing joist system is very close to being sufficient to support a new attic flooring.

Reinforcing ceiling joists attic.

If you have no sag in the ceiling just screw 3 4 inch plywood on on top of the ceiling joist. Be sure to run the length of the plywood across the joist. Learn what some fellow builders think about this construction scenario. Please read disclaimer at end of description sorry this is my first video and i do a terrible job explaining but.

Is there a way to add more support. More times than not the floor structure of an existing. Measure the old joists measure the length of the old joists and note how much they overhang any supporting walls or. How to reinforce an attic floor with sister joists clear the joist spaces pull out all insulation and any debris from all of the joist spaces so you can see the full.

Cut a 2 by 4 inch board to match the distance you measured. Toenail the blocks or end nail through the joists to tie everything together. Tie to roof rafters at peak tie to ceiling joists roof rafters to ceiling joists at the eaves. Place the board vertically with the ends overlapping the ceiling rafter and the joist.

For slightly better bracing across the entire depth of the assembly you could instead use 2x12 blocking or double 2x6 blocks one layer for the top joists and one for the bottom. But 2x8s should work fine and will save labor and materials. Sistering installing new larger joists next to the existing ones is one way. Know the difference between your ceiling and floor joists.

This scheme is predicated on achieving serious load carrying connections well thought out and installed a 35 or l clips should to it at all joints. The ceiling joists create a truss to begin with i m suggesting adding another member to the truss. The type of modifications selected for reinforcing the joists will depend on the recommendations of the engineer but the following methods are commonly used to beef up undersized attic joists. Nail the board to the joist and rafter with two nails at each spot.

Attic renovation 7 things you need to know 1. Two ways to create a new floor system. How to reinforce 2x6 ceiling joists to handle heavy loads fine homebuilding.