Sanding & Sealing Floors – sanding wooden floors
Surface preparation is crucial to the sanding and sealing of wooden floors. Oils and lacquers can bring out the best in a wooden floor. However, they will also highlight marks and mistakes if your flooring hasn’t been prepared properly.
The reason why some scratches may be missed by a sanding & sealing team include using a poor quality abrasive from which the grit becomes easily detached. Even when having a vacuum of the floor after each sanding, it is often impossible to remove every loose grain of grit.
The sensible approach is to use a high-quality abrasive incorporating a good adhesive. It’s also sensible to vacuum after each sanding operation as any coarse grit remaining on the floor with damage the finer abrasive that follows.
No more chatter marks
Chatter marks are visible as a series of straight lines within the surface of the wood after the finish has been applied. There are several possible causes for this, which can be avoided;
*The abrasive is not fitted tightly enough, or protrudes from the clamp, on the belt or drum sander.
*A badly balanced drum.
*A shuddering movement from the sanding machine.
*An overlapping seam on the belt rubs against the floor.
Careful fitting of the abrasive paper and maintenance of the sanding machine will eliminate most of these causes, yet a ‘seamless’ belt with a flat joint avoids many problems.
The way a floor is sanded will influence its final shade after the finish has been applied.