How To Fit Floor Joists

Joists range in size from 2 x 6 to 2 x 12 based on the distance being spanned.

How to fit floor joists. This is part 2 in my series of loft conversion videos. In this video i show how i cut my my joists make packer plates get the joists from the garden up int. On both sides of the problem area. Fit new joists fit new floorboards as necessary.

As above with conventional floorboards. Start by cutting out a small 1 2 in 2 5 5 1 cm section of the floor joist with a reciprocating saw. Joists are cut to lay flush with the outer surface of the. Fit all new joists and new chipboard flooring.

When the sagging joists are level apply a generous bead of construction adhesive to the existing joist. Decide whether you wish to set the joists so that they run over a beam butt together over the beam or fit them into hangers attached to the sides of the beams. Installing first floor joists floor having fitted the sills i headed up to complete the first lift. Joists are spaced at regular intervals much like the studs in a wall frame.

If you read my my earlier pages you will know that i was considering installing easi joists at first floor level because i liked the idea of being able to easily run all my pipework. This will create a weak spot. Lay out your joists so that they will be spaced 40 cm 16 inches on centre. Then use pry bars and your reciprocating saw to pry and cut the floor joist away from the subfloor.

But it s usually best to run the sister joist over the entire span. They are covered with subflooring panels of plywood or oriented strandboard osb to complete the floor s structural assembly and create the solid continuous platform on which you install tile carpet or other finish flooring. If a crack or sag is isolated to one area the sister joist should extend at least 3 ft. Wood joists are structural framing members that are laid upright on edge and nailed equally spaced usually 16 inches on center onto the wall plates.

Pry the floor joist from the subfloor with the back of your hammer. Fit the joists into the joists hangers if you choose that method of installing floor joists. Fit new joists fit new floorboards as necessary.