Do You Have To Replace Subfloor To Replace Floor Joists

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.

Do you have to replace subfloor to replace floor joists.

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. If you ve had a recurring leak your floor joists might be rotted and weakened too. Homes with floor joists need a base to provide a surface on which to lay carpet ceramic tile hardwood laminate and or vinyl. Wet lumber may lead to dimensional changes as the joists dry resulting in nail pops and floor squeaks.

Not letting a subfloor dry. A subfloor provides stability and a level surface. Generally newer home floor joists are made from 2x8s or new engineered i beams older homes however may have 2x6s instead. 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.

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. Making precise cuts allows you to replace the section without installing additional backing or blocks at the floor joists. Make sure to get all of the damaged or moldy. While replacing the entire subfloor may not be necessary you will have to replace the damaged pieces to prevent the rot from spreading.

In that case you ll have to insert an entirely new joist and screw it to the solid wood of the old one. Homes built on a slab foundation may not require them as many types of flooring can lay directly on top of the concrete. 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. If you notice a soft spot under carpet or wood flooring it could mean that the panels below have weakened. Moisture and pest infestation can damage subfloor. 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.

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