A Guide To Stain Sealing Wood

Most professionals often talk about wood stains and wood sealers, and most people with little experience remain unaware or unfamiliar with the terms that need defining. Does Stain seal wood is a common thought every professional or layman experiences? Most stains are sealed to prevent bleeding, and after smoothing the stained wood, consumers are advised to apply a sealer coat or other appropriate sealer. Staining can seal the wood and result in refinishing furniture. However, a stain does not protect the wood but gives a dramatic finish. This article will guide you through the stain sealing process for a wooden piece.

Choosing The Right Sealer

The best way to ensure that stain seals wood is by choosing the suitable sealer for your wooden furniture. The traditional sealer for natural varnishes, lacquer, or shellac finishes is a thinned white-colored shellac. Shellac is the most ideal for refurbishing jobs; however, refrain from using water, NGR stains, or polyurethane varnish. 

You can alternate shellac with a commercial sanding sealer as it dries quickly and presents a perfect sanding base. If you plan to finish the wooden piece with a polyurethane varnish, read the label very carefully. 

Some professionals prefer to stain seal the wood with a thinned mixture of the same finishing texture under lacquer finishes or natural finishes. However, these cannot be used along with polyurethane varnish or shellac to stain seal the wood. 

Polyurethane varnish demands special treatment, and therefore you must carefully observe the labels before you choose them. Some polyurethanes can be thinned with a specific thinner, and the manufacturer may recommend thin varnish coats as a stain sealer. 

Sealing Technique

The most common sealing technique is applying the sealer with a clean brush, ensuring even flow along the grain of the wood. When using the staging seal, ensure that all the surfaces are evenly covered with particular attention to end grain. End grain that is not adequately sealed can absorb more stain than the rest of the wood in a piece. 

The stain sealer must be allowed to air dry for one to two hours and then sand the surface very lightly. Ensure that the wood is smooth without penetrating the sealer and remove all the sanding debris with a tack cloth. 

If you prefer to apply the finish directly over the sanded wood, you may require more than one coat of sealer to close the wood’s pores completely. It is best to let the sealer dry completely before the application of another coat. Note that highly porous wood materials may require several coats of the sealer.


Most professionals make use of stain sealing to give their wooden piece a dramatic finish. If you fail to apply some sealer, the wood will be dried out and become lifeless. The question ‘Does stain seal wood’? Can hold multiple varying answers. However, it is noted that stain is used to darken the wood color but does not offer any protection. Therefore, at times stain can seal wood or might not.

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