Best Way To Sand Between Coats Of Polyurethane On Floors

You do have to sand between coats of polyurethane on floors usually with 220 grit sandpaper with most other polyurethanes.
Best way to sand between coats of polyurethane on floors. I lightly sand between coats with extra fine synthetic sanding pads. Apply two undiluted coats of polyurethane. Minimize this problem by applying thinner coats or by switching from standard brush on poly to a wipe on or spray finish both of which can be applied in very thin coats. It s best to apply polyurethane to flat as in level surfaces so the finish can self level and is less likely to drip.
Polyurethane is a type of varnish with a resin that adds heat scratch water and solvent resistance to the wood on which it s applied. Wipe off all dust caused by the sanding before applying a second coat. So that s pretty much all i have to say on sanding between coats of polyurethane. When applying polyurethane on vertical surfaces you may experience drips or runs.
Repeat these steps until the desired level of protection is achieved two to three coats is usually enough. Remove the sanding dust first with. Join charles to see the most important part of finishing your wood project to get a perfect glass smooth finish. To create a good resistant finish multiple coats of the polyurethane may be required on the wood surface.
You don t have to do it if you buy this poly from minwax and get a second coat on within 12 hours. The goal is to roughen the surface a bit and rub out dust motes hairs and drips. Then just wipe off the dust with mineral spirits and apply another coat. If you are working with water based polyurethane you will allow it up to 6 hours of drying time after which you should sand the surface slightly and apply the next layer.
The polyurethane will sand easily so be careful not to sand through the thin coat and damage the stain underneath. If there are stubborn nibs that stand up to the pads grab 280 grit and be more aggressive. Between each coat the polyurethane must be sanded with a light grit sandpaper. Charles recommends you watch the 3 trace co.
Sand the dried and cured first coat of polyurethane no sooner than 24 hours after applying it.