You do have to sand between coats of polyurethane on floors usually with 220 grit sandpaper with most other polyurethanes.
Floor polyurethane time between coats sanding.
Superior durability for hardwood floors.
When applying polyurethane brush along the grain stretching the polyurethane into as.
January 24 2016 at 1 07 am how long does it take varathane to dry completly.
Optimized drying technology results in faster recoat time between coats.
I lightly sand between coats with extra fine synthetic sanding pads.
You don t have to do it if you buy this poly from minwax and get a second coat on within 12 hours.
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 goal is to roughen the surface a bit and rub out dust motes hairs and drips.
Lightly sand with pads and paper.
In case you are using oil based polyurethane please give it up to 24 hours of drying time before sanding and applying the subsequent coat.
Posted on october 7 2013 march 18 2019 author wood flooring guy categories wood floor sanding refinishing.
As it is encompassed with fewer solids you need to apply several coats of water based polyurethane on a hardwood floor.
One thought on polyurethane dry time between coats phil leese says.
For floor projects use a square buff orbital or disk type sander with 220 grit sandpaper or the equivalent grit pad or screen specifically designed for sanding between coats.
Do not use a belt or drum type sander for sanding between coats.
Once you apply water based polyurethane on your floor you need to reapply the process after 2 years.
In between coats apply two to three additional coats of full strength polyurethane sanding between each coat.
If there are stubborn nibs that stand up to the pads grab 280 grit and be more aggressive.
Minwax super fast drying polyurethane for floors is a clear oil based durable protective finish specifically formulated for use on hardwood floors.
Apply a thin coat of minwax fast drying polyurethane using a high quality natural or foam brush.
Charles recommends you watch the 3 trace co.