Can a floor that has already been sanded twice be sanded again?

It depends on what is left above the tongue, and in these old houses it varies board to board because the material was milled to inconsistent thickness to begin with. We probe in several places rather than assuming the floor is uniform. Sometimes the answer is that a full flat sand would go through the thinnest boards, and the right call is a lighter pass that leaves the floor slightly less than perfectly level — which is a much better outcome than holes.

What are face nails and why do they matter?

Older floors were often nailed through the face of the board rather than hidden through the tongue, so there are fastener heads at or near the surface across the whole floor. Every one has to be found and punched below the surface before sanding, because a sanding belt hitting a proud nail head tears the abrasive and gouges the wood. On a big floor that is hours of work before any sanding starts, and it is why refinishing a genuinely old floor costs more than refinishing a modern one.

Hardwood Refinishing in Tomball, TX

County: Harris County
Drive time from our base: 30 min from our Montgomery crews

Free measure in Tomball (713) 377-1303

What hardwood refinishing involves in Tomball

The best refinishing candidates in our whole service area are in the older houses near Main Street, because they have the one thing that cannot be bought: original solid wood, often longleaf pine or early oak, at thicknesses no longer commercially available. When those floors come back they are genuinely better than anything you could install to replace them.

The constraints are specific to their age. Much of this flooring was face-nailed rather than blind-nailed, so there are fasteners at or near the surface across the whole floor and every one of them has to be found and set below the surface before sanding — a belt catching a proud nail head tears the abrasive and gouges the board. Boards in these houses were also frequently milled to inconsistent thickness, so the floor is not uniformly flat and sanding it level removes more from the high boards than from the low.

That last point is the one that decides the job, because it interacts with how much material is left. A floor that has been sanded twice already, with variable board thickness, can have some boards with almost nothing above the tongue while their neighbours are fine — and sanding to a flat plane will go through the thin ones. We probe in several places rather than one, and where the margin is tight we will recommend leaving the floor slightly less than perfectly flat rather than sanding through it. A floor with some character left is better than a floor with holes in it.

The job we run most here

Setting hundreds of face nails and probing board thickness at several points across an original pine floor near Main Street before deciding how aggressively it can be sanded.

What it costs in Tomball

Refinishing an original floor of this age carries more labor than a modern oak floor — nail setting alone is hours of work before sanding begins. It remains far cheaper than replacement, and nothing available to buy would match what is already there.

What’s included

Stain, finish, and any replacement boards supplied — matched to your existing species and grade
Dust-contained sanding
Board replacement and repair
Custom stain matching
Waterborne or oil-modified polyurethane
Screen-and-recoat for floors that aren't ready for a full sand

Questions we get in Tomball

Can a floor that has already been sanded twice be sanded again?: It depends on what is left above the tongue, and in these old houses it varies board to board because the material was milled to inconsistent thickness to begin with. We probe in several places rather than assuming the floor is uniform. Sometimes the answer is that a full flat sand would go through the thinnest boards, and the right call is a lighter pass that leaves the floor slightly less than perfectly level — which is a much better outcome than holes.
What are face nails and why do they matter?: Older floors were often nailed through the face of the board rather than hidden through the tongue, so there are fastener heads at or near the surface across the whole floor. Every one has to be found and punched below the surface before sanding, because a sanding belt hitting a proud nail head tears the abrasive and gouges the wood. On a big floor that is hours of work before any sanding starts, and it is why refinishing a genuinely old floor costs more than refinishing a modern one.

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