Subfloor repairs in Shepparton.
Stumps rot for a reason, and that reason usually lives in the subfloor: damp ground, blocked vents, leaking pipes, and the soft bearers and joists they leave behind. We repair the lot while the subfloor is open, so your new stumps are not set into the same problem that destroyed the old ones.
What lives in your subfloor.
Between the ground and your floorboards sits the framework that actually holds the house up: stumps, then bearers running across them, then joists running across the bearers, then the floor. Restumping fixes the stumps. Subfloor repairs fix everything else down there that has gone wrong, and on older Goulburn Valley homes that list is usually longer than people expect.
The single biggest enemy is moisture. Shepparton, Mooroopna and Kialla sit on heavy reactive clay that holds water against the underside of the house, and many homes built before the 1980s were given barely enough subfloor ventilation to begin with. Decades later those vents are often blocked by garden beds, raised paths, concrete aprons or a later extension built across them. Trap the damp, cut off the airflow, and the bearers, joists and stumps all stay wet and rot from the ground up.
What we repair.
- Rotted or sagging bearers and joists: we temporarily support the floor, cut out the failed timber, and replace it with new treated hardwood sized to span correctly.
- Subfloor ventilation: we add or unblock wall vents and improve cross-flow so the space under the house can dry out and stay dry.
- Ant-capping and termite risk: we replace perished ant caps on new stumps and flag any active termite or borer evidence we uncover.
- Damp and drainage: we identify stormwater, plumbing leaks or surface water running under the floor and advise on diverting it away from the subfloor.
A worked example.
A weatherboard in Mooroopna came in for restumping, but the subfloor inspection found the real culprit: a paved courtyard had buried two wall vents and a slow leak under the laundry had kept one bearer wet for years. As part of the job we replaced about four metres of rotted bearer, opened up the buried vents and added two more for cross-flow. The added subfloor work was around $1,600 on top of the restump, and it is the part that stops the new stumps rotting the way the old ones did.
Why we bundle it with restumping.
The expensive part of subfloor work is getting access and supporting the floor while the timber is out. When we are already under the house restumping, that access is paid for, so repairing bearers and ventilation in the same visit costs a fraction of a separate call-out later. New stumps under soft bearers in a damp, sealed subfloor is a job half done. We do the whole thing once, properly, and itemise every part on the one quote. The numbers sit on our cost guide.
Common questions about subfloor repairs.
What are subfloor repairs?
Subfloor repairs cover everything in the space between the ground and your floorboards that is not the stumps themselves: rotted or sagging bearers and joists, perished ant-capping, broken or blocked subfloor vents, and the damp or drainage problems that cause the rot. We usually do this work at the same time as restumping, while the subfloor is open.
Why do bearers and joists rot in Shepparton homes?
Two reasons dominate around the Goulburn Valley: damp and poor ventilation. Heavy reactive clay holds water against the subfloor, and many older Shepparton homes have too few vents or vents that have been blocked by garden beds, paths or extensions. Add a plumbing leak or stormwater running under the house and the timber stays wet and rots. Fixing the moisture is the permanent cure.
Do I need to fix the subfloor as well as restumping?
Not always, but often it makes sense. New stumps under rotted bearers, or in a subfloor that is still damp and unventilated, is a partial fix that leaves the underlying problem in place. While we are under the house for the restump we can replace soft bearers and joists, improve ventilation and clear drainage in the same visit, which is far cheaper than coming back later.
How much do subfloor repairs cost?
It depends on what we find. Adding or unblocking subfloor vents might be a few hundred dollars. Replacing a run of rotted bearer with new treated hardwood, including the temporary support, typically runs $80 to $180 per linear metre. Because subfloor repairs are usually bundled with restumping, we itemise them in the one fixed-price quote.
Subfloor work across the region.
Soft floor or musty smell?
A spongy floor or a damp, earthy smell underfoot is a subfloor problem worth checking. We inspect free and tell you what is going on down there.