Water Damaged Hardwood Floor Repair in Greater Victoria
Boards lifting or cupping at the edges are the classic sign of water under a floor. Caught early, a lot of it can be saved. Left alone, it spreads.
What water does to a wood floor
When wood floors take on moisture, the boards swell. Cupping is when the edges of each board rise higher than the centre, which is the most common pattern from a slow leak or damp subfloor. Crowning is the opposite, where the centre rises, and usually means the floor was sanded flat before it had fully dried out. Both are the wood telling you there is a moisture problem to fix first.
The refinishing cannot happen until the source is dealt with and the boards have dried back to a normal moisture level. Sanding a wet floor flat just locks in a problem that comes back. We will often meter the moisture and wait before doing anything permanent.
What can be saved and what gets replaced
Boards that were caught early, dried out, and only mildly cupped can often be sanded flat and refinished with no sign they were ever wet. Boards that stayed wet long enough to rot, blacken, or grow mould get cut out and replaced, then blended into the refinish. The difference usually comes down to how long the water sat before someone noticed.
This is the one job where waiting costs you money. A small area assessed and dried now is far cheaper than a whole room replaced later, and moisture spreads to neighbouring boards and the subfloor if it is ignored. If you can see edges lifting, it is worth having us look at it before it becomes a bigger job.
When boards lift off the subfloor
Buckling is the far end of what water does to a floor, and it looks nothing like cupping. Instead of board edges rising a millimetre or two, whole boards pull away from the subfloor and stand up off it, sometimes by several centimetres, usually along a line or in a tented ridge. It takes a larger or faster soaking than cupping does, or a floor laid with no room to expand against a wall or a doorway, so that when the boards swell they have nowhere to go except up.
Buckling almost always means the fastening or the adhesive has let go across that area, so unlike a cupped floor it will not settle back down once it dries. The floor comes up over the affected section, the subfloor gets checked and dried, and the expansion gap gets put right before anything is relaid, or the floor does the same thing again the following winter. We meter the subfloor rather than judging it by eye, because one that still reads wet will push a relaid floor straight back up.
What decides how big the job turns out to be
Four things set the size of a water damage repair, and the size of the spill is not one of them. First is how long the water sat, which decides whether boards dried out merely cupped or went to rot. Second is whether the subfloor took water too, because a wet subfloor has to be dried or replaced before any floor goes back on it. Third is how closely a replacement board can be matched, which on old-growth fir or pre-war oak is the difference between patching a few boards and redoing a room. Fourth is how much of the floor runs as one continuous surface, because a finish has to be carried to a natural break like a doorway, so a small wet patch in the middle of an open-plan floor pulls the whole of it into the refinish.
We do not publish a price for this work. Those four answers move the number too far for a figure on a page to mean anything, and a range that ignored them would be a guess wearing the clothes of information. The scope gets settled by looking at the floor and metering it, and the number follows the scope.
Have us look at your floors in person.