Do You Have To Replace Subfloor To Replace Floor Joists

While replacing the entire subfloor may not be necessary you will have to replace the damaged pieces to prevent the rot from spreading.

Do you have to replace subfloor to replace floor joists.

Moisture and pest infestation can damage subfloor. Replacing the floor under the bathtub toilet and the sink. If you ve had a recurring leak your floor joists might be rotted and weakened too. Generally newer home floor joists are made from 2x8s or new engineered i beams older homes however may have 2x6s instead.

While subflooring can be customized with foam or other insulators depending on its location and the type of flooring that will be installed on top such layers are typically part of the. Use trus joist tji joists or kiln dried performance tested lumber such as weyerhaeuser framer series lumber which is more dimensionally stable than green lumber. This can be a big project you may have to open more floor to insert the new joist move electrical or plumbing runs or raise a sagging floor. Not letting a subfloor dry.

Following the cutline on the subfloor chad used a cat s paw bar to pull all nails that might be hit with the circular saw blade. In that case you ll have to insert an entirely new joist and screw it to the solid wood of the old one. Making precise cuts allows you to replace the section without installing additional backing or blocks at the floor joists. Your floorboards squeak loudly.

Wet lumber may lead to dimensional changes as the joists dry resulting in nail pops and floor squeaks. Homes built on a slab foundation may not require them as many types of flooring can lay directly on top of the concrete. While it is a good idea to replace rotted material with 2x8s it may require some notching to fit between the sub floor and ledger board. He measured and marked out a 4 8 sheet of plywood to replace the damaged subfloor.

A subfloor provides stability and a level surface. He snapped a chalk line to connect the layout marks which were centered over a floor joist. 1 locate the floor joist below the subfloor at each side of the section. Make sure to get all of the damaged or moldy.

The subfloor is usually made from plywood or particleboard attached directly to the joists although it can be concrete in the basement or on the ground floor.