A primer will be advise by most manufacturers as well. Lap marks are caused by letting the poly somewhat dry before mating it with the next section.
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I was thinking about using a satin over semi gloss polyurethane for the remaining coats to reduce the sheen.
Can you put gloss polyurethane over semi gloss. I just recently completed the rest of the bedroom set and chose to go with semi gloss. You can paint semi gloss latex paint over flat latex paint. A couple years ago i made a bed and finishing it with gloss polyurethane.
Basically you have a couple of options. That includes the various semigloss paints and stains whether they are latex acrylic or oil based. The short answer is that stain polyurethane finishes can be applied over any paint or stain that is already properly applied to the surface and that has completely dried.
This will knock down the shine without scratching the surface. Yes you can use satin over semi gloss or even gloss as long as you lightly sand first dont forget to remove the sanding dust while its best not to thin the poly sometimes its necessary in order to keep the poly flowing well. 1 add a couple of coats of gloss it will not be appreciably more glossy than what you now have.
2 strip it down to bare wood again and start over using gloss. You may find this is matte enough. I thought i could just run some 220 over it and recoat with the semi gloss.
The single coat of gloss poly will probably provide the gloss you are looking for. However if youre not happy with the gloss because of shine try rubbing it down with 4 ought 0000 steel wool available at any hardware or big box home store. Buff dry with a soft cloth.
Doug you can apply the gloss poly over the satin finish poly. Also if you use multiple coats of satin or semi gloss the flatteners in the finish will begin to make the wood grain appear somewhat murky. The problem with pre finished floors is the bevel.
Just lightly scuff the surface and make sure to tack it off good to remove the fine sanding dust before the recoat. Generally yes but thorough scuff sanding with 200 400 grit sand paper in required. The answer is in general yes but unless the gloss is less than 4 hours old it will need a light sanding to scratch the surface so the next coat will bond.
Yes with some prep however you can try lightly sanding with 600 grit wetdry sandpaper. Hello fellow woodworkershoping someone can help me with this. Can you put high gloss polyurethane over semi gloss.
Now i need to refinish the bed to match. Is it alright to apply satin poly over the semi gloss. You can apply any sheen over another as long as your fully abrade scuff scratch up the previous coat of finish.
It is not advised to paint over any latex with any oil based paint. If its too matte flat you are now prepped and ready to recoat with satin or matte. Use it lightly wetted.
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