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.

Wet lumber may lead to dimensional changes as the joists dry resulting in nail pops and floor squeaks. 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. 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. Moisture and pest infestation can damage subfloor. He measured and marked out a 4 8 sheet of plywood to replace the damaged subfloor. 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.

Generally newer home floor joists are made from 2x8s or new engineered i beams older homes however may have 2x6s instead. If you ve had a recurring leak your floor joists might be rotted and weakened too. 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. If you notice a soft spot under carpet or wood flooring it could mean that the panels below have weakened.

Homes with floor joists need a base to provide a surface on which to lay carpet ceramic tile hardwood laminate and or vinyl. 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. Make sure to get all of the damaged or moldy. Your floorboards squeak loudly.

A subfloor provides stability and a level surface. In that case you ll have to insert an entirely new joist and screw it to the solid wood of the old one. When you replace the subfloor the new ends have to sit on the joists so cut out your wet subfloor along two joists on either side of the damage. Replacing the floor under the bathtub toilet and the sink.

Making precise cuts allows you to replace the section without installing additional backing or blocks at the floor joists.