Structural Repair
Subfloor Repair and Replacement
A subfloor that is soft, stained or rotted can make floors flex or feel spongy. We cut out the damaged section from below, replace it with new subfloor panels, glue and fasten them and fix the cause of the moisture.
- Best forSpongy, stained or rotted subfloor
- Typical rhythmOften one to two days
- TeamCarpenters who work from below
- Pairs well withJoist repair and leak repair
What you get
What subfloor repair and replacement includes
- 1Cut from belowWork often happens from the crawl space, leaving finished floors alone.
- 2New panelsSolid subfloor is glued and fastened to the joists.
- 3Cause fixedLeaks and moisture sources are stopped first.
- 4Checked for firmnessWe test the repaired area for flex and level.
How it goes
From the first call to a dry, finished space
- 1Find the extentWe probe and mark the soft area.
- 2Remove the damageBad subfloor is cut out safely.
- 3Install new panelsPanels are fitted, glued and fastened.
- 4Check the floorWe confirm the floor above is firm.
Good fit when
Is subfloor repair and replacement right for you?
- A floor feels soft near a toilet or tub
- You see dark staining from below
- A past leak soaked the subfloor
- Floors flex when you step
Questions
About subfloor repair and replacement
Do you have to remove my flooring?
Often not. We work from the crawl space when we can, and we tell you if the upper layers need attention.
What if the joists are damaged too?
We repair them as part of the same visit with sistering where needed.
Related services
Often paired with this
Floor Joist Sistering and RepairNew lumber bolted beside weak joists to bring strength back to the floor.See the service 
Termite and Wood Rot Damage RepairRepair of wood weakened by termites or long-term rot.See the service 
Crawl Space InspectionA head-to-toe look at everything under your floor, with photos and plain answers.See the service Where we work
Find subfloor repair and replacement near you
Pick your city to see local conditions and the services people ask for most.
Thinking about subfloor repair and replacement?
Call or text, or send the form. Tell us what you have noticed and we will tell you how we would handle it.