Can I Spray Urethane Over Lacquer

Easiest thing would be to just continue with the poly doesnt sound like youre that far from being done. It cannot be used over other finishes or over oil-base stains or many fillers. Just dont cut thru the urethane that would be the only issue. Jim I can not imagine a problem with spraying lacquer over urethane I dont believe there is a compatibility issue at all. Use a dewaxed shellac as a barrier and then spray your lacquer. On your test with the. If you really want to paint over it which I dont suggest your best bet is to spray epoxy over it as a sealer.

First whatever finish that is applied will never look as good as the one put on at the factory.

On your test with the. As Tonar mentioned you can shoot poly OVER lacquer. 2 We just cant say when could be first day in sun or 10 years from now or anytime in between but it is going to peel. You cant spray urathane over freash lacquer itll wrinkle up and get bubbles as the lacquer thinner evaporates and gets trapped under the urathane. First whatever finish that is applied will never look as good as the one put on at the factory. Second polyurethane is not the best choice for painting over lacquer finishes.

Can Urethane Base Coat Be Applied Over Lacquer Diy Auto Body And Paint Q A Youtube

Can i spray urethane over lacquer. Stupid mistake - polyurethane and lacquer Poly over lacquer is ok lacquer over poly wont work because the thinners are to hot and they will melt the poly. You can put an oil based varnish over the lacquer. You cannot put anything catalyzed poly urethane etc over lacquer bc the lacquer has no catalyst therefore will be reflowed when the hot reducers catalyst hits itresulting in a list of potential problems.

Urethane clear will go over the lacquer but we know two things about putting urethane clear over lacquer. Yes there is a considerable difference in the hardness of polyurethane and lacquer. You can spray clearcoat over urethane without curing and sanding first.

Can I spray polyurethane over epoxy. It will hold up till it gets a chip then all hell brakes loose if I were gonna do it I would let it flash scuff it with 800 or a 1000 grit then clear it sanding should help it bite in mechanically cus thats the problem there is not much chemical adhesion with lacquer and urethane clear over top it will probably work but would be worried about it chipping later then clear peeling use a slower activator in clear to. There would be no problem spraying lacquer over the urethane no problem what so ever.

Polyurethane is a more durable coating. Generally the only thing you can shoot over lacquer is more lacquer. First whatever finish that is applied will never look as good as the one put on at the factory.

Second polyurethane is not the best choice for painting over lacquer finishes. Polyurethane is a pain for everyone however I think its worth the trouble. Lacquer can stick to epoxy.

Spray a couple of light dusting coats of finish and let them dry thoroughly before applying a wet coat. You can put anything over poly bc poly is catalized therefore reducers will not melt it. Acrylic urethane is automotive clear coat and once hardened its impervious to solvent attack except for the most serious of.

It will add resistance to spills and a bit of resistance to scratching. Or you could take it all the way back down and start from scratch.

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There would be no problem spraying lacquer over the urethane no problem what so ever.

Scuff and blow down the lacquer and youll be fine. There are several things to keep in mind before moving forward. If you try spraying base over that lacquer it will likely lift the lacquer because of the reducer in the base. 2 We just cant say when could be first day in sun or 10 years from now or anytime in between but it is going to peel. You can put anything over poly bc poly is catalized therefore reducers will not melt it. With the goal of reducing the amount of time the solvents are in contact with the existing surface here are some suggestions. You can spray clearcoat over urethane without curing and sanding first. 2k primer should go over lacquer primer with NO problems. Could have been from a spray can we or the op has no idea.

With the goal of reducing the amount of time the solvents are in contact with the existing surface here are some suggestions. That will work but lacquer over oil will result in an alligator finish. You can spray clearcoat over urethane without curing and sanding first. Can I spray polyurethane over epoxy. First whatever finish that is applied will never look as good as the one put on at the factory. Polyurethane will not bond or grip well with the lacquer and will peel off over. The solvents in lacquer will dissolve other.