Do You Have To Replace Subfloor To Replace Floor Joists

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.

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. 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. 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. He measured and marked out a 4 8 sheet of plywood to replace the damaged subfloor.

Wet lumber may lead to dimensional changes as the joists dry resulting in nail pops and floor squeaks. 1 locate the floor joist below the subfloor at each side of the section. He snapped a chalk line to connect the layout marks which were centered over a floor joist. Making precise cuts allows you to replace the section without installing additional backing or blocks at the floor joists.

If you ve had a recurring leak your floor joists might be rotted and weakened too. Your floorboards squeak loudly. 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. Moisture and pest infestation can damage subfloor.

A subfloor provides stability and a level surface. Homes with floor joists need a base to provide a surface on which to lay carpet ceramic tile hardwood laminate and or vinyl. Replacing the floor under the bathtub toilet and the sink. Generally newer home floor joists are made from 2x8s or new engineered i beams older homes however may have 2x6s instead.

Make sure to get all of the damaged or moldy. Homes built on a slab foundation may not require them as many types of flooring can lay directly on top of the concrete. 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.

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.