09 Jan. 1976|
Pre stain wood conditioner necessary,interior woodwork,free wood table plans pdf - Test Out
Maple and other similar types of wood are very poor at absorbing stain when sanded smoothly. The middle piece was sanded with 80 grit through 600 grit sandpaper, the grain then raised, and then stained. The bottom piece was sanded with 320 grit sandpaper and then 1 through 5 applications of stain were applied. Notice that the gel stain is much less blotchy than the penetrating stain especially when the grain is raised. Maple and other similar types of wood, for example Poplar, are very poor at absorbing stain uniformly. Pre-Stain Wood Conditioners and various types of stain are available to improve uniform stain absorbtion.
The major issue with this method is that the wood surface must be sanded evenly after sealing to produce satisfactory results.
As can be seen in the photos above, the most uniform staining results appear to be those treated with the Sanding Sealer. Pre-stain wood conditioner does not have to be applied to all types of wood prior to adding a coating of stain. The purpose of using pre-stain wood conditioner is to prepare the wood for the stain and close the wood’s pores so that the stain will penetrate the wood evenly.
You will need to visit your local hardware store to purchase a pre-mixed can of pre-stain wood conditioner.
Using either a foam brush, a paint brush or a clean cloth, apply the conditioner to the wood. After you have allowed the pre-stain conditioner to absorb into the wood for approximately 15 minutes, use a clean cloth to wipe off the conditioner that did not penetrate the wood. Different brands of conditioner have different instructions, but most will recommend that the stain be applied to the wood within a certain period of time after the conditioner was added.
Be aware that by adding a layer or two of pre-stain conditioner to wood, the wood’s pores will be closed. Minwax® Pre-Stain Wood Conditioner penetrates the pores of the wood, reducing the amount of stain the larger pores will absorb. The resins in Minwax® Pre-Stain Wood Conditioner will begin to dry and may inhibit stain absorption.
No, not if label instructions are followed and any excess Minwax® Pre-Stain Wood Conditioner is wiped off after 5 – 15 minutes. The goal is to have the stain absorb into the wood in a uniform manner so that it does not appear splotchy when it dries. Make sure to cover the entire surface, and also make sure that you add the conditioner in the direction of the wood’s grain. This will cause the stain that is applied over the conditioner to not penetrate the wood as deeply as it would have without the conditioner.
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Hardwoods tend to have a more uniform pore structure than softwoods, resulting in more uniform staining. To open the pores again, sand the wood lightly with a medium grit (#120 – #180) sandpaper.
Minwax® Pre-Stain Wood Conditioner is not a sanding sealer and does not require this extra step as long as the stain is applied within 2 hours after pretreatment. However, wood that is considered to be “soft” does require a coating of pre-stain wood conditioner because these types of woods are very porous. Applying pre-stain conditioner is one of the most effective methods of preventing issues with the stain’s appearance after it dries. Let the sales person know the type of wood that will be conditioned and the type of stain that will be added on top of the conditioner. The conditioner penetrates the grain of new or bare softwood surfaces, such as pine, fir and spruce, or porous wood surfaces, including maple, alder and aspen. To help ensure even stain color penetration and beautiful results, it is essential to pre-treat soft or porous woods with Minwax® Pre-Stain Wood Conditioner. Keep in mind that if you do not apply the conditioner, the result will probably be splotchy and uneven – so the trouble of adding a second coat of stain is worthwhile.