Comment préparer puis vernir un parquet?
How to sand a parquet or a floor?
The key to getting a good result when varnishing a parquet floor is first and foremost a good sanding. The parquet is sanded in three passes with an increasingly fine grain, the last sanding must be done in the direction of the grain of the wood for the case of a parquet laid in the English or in the direction of the grain. light for non-parallel patterns like mosaics. The first two sandings of the parquet will be done using a drum sander.
First pass to sand a parquet : coarse grain (24 to 40) removes small irregularities in the parquet as well as any stains. It is done in 2 passages diagonally across the wood fibers, thus avoiding excessive abrasion of soft woods.
Second pass to sand a parquet : medium grain (50 to 80) prepares the surface for finishing sanding and is done transversely during the first sanding.
Last pass to sand a parquet floor: is done with a single brush and a fine grain (100 to 120) in the direction of the wood fibers or in the direction of the incidence of light. The finer the grain, the smoother the surface.
How to vitrify a parquet?
The parquet vitrifier is applied in two coats after a first layer of undercoat and after having sanded the parquet (with drying, stripping then dusting of the first layer). Each coat is applied with a 10mm nap roller for solvent-based sealers and 13mm for PUR-T water-based sealers. To properly vitrify a parquet floor , you must proceed with a grinding with 120 grit sandpaper between each coat of sealer in order to promote the adhesion of the layers between them, at a temperature between 12 and 25 ° C. The application of the sealer along the baseboards is carried out with a 140 spalter.
Can you glaze on an oiled parquet?
NO. Oiled parquet is greasy. The sealer will not be able to adhere.