Polyurethane New Oak wall cabinet? Carpenter built an in-wall oak entertainment center. He says I should...
Carpenter built an in-wall oak entertainment center. He says I should sand it, wipe clear next to denatured alcohol, allow to dry, apply polyuretane with a foam brush, allow to dry, sand delicately and apply additional coats of polyurethane.
Home depot ancestors say I do not call for to sand between coats, but were unsure if I needed the denatured alcohol.
Any guidance?
Use the alcohol for removing any oils that may be on the surface. They can even come from your fingers. Not doing a reading light sanding separating coats can cause duplicate problem as not using the alcohol. I use 000 steel wool in-between coats. Just produce sure you wipe it down with a verbs cloth before the subsequent coat. One coat will not do the job so second coats are necessary. Good luck.
Consider an oil finish.
Very trouble-free to apply, almost impossible to screw up, touches up resourcefully if necessary & really shows sour oak.
Really hate polyurethanes , but the satin finish dampen based stuff is not impossible.
Would not use a foam brush on anything.
A light wipe w/ mineral sprits or denatured alcohol is OK
A intensely light foot sanding using a block is OK if requisite
If you do use poly, instead of sanding within between coats use very fine bronze or steel wool.or even economically crumpled paper grocery lots.& clean up w/ a tack cloth.
A final pastewaxing does it.
Best regard
Answers: Yes use the alcohol. It removes any oils/resins/waxes that may be on the surface of the wood. I would also recomend a very insubstantial sanding between coats near 180 or 220 grit sandpaper.