If you’re sensitive to strong odors, put on a respirator before handling polyurethane.
The sealant helps the finish stick better to the pine and last longer. If you notice any runs, even them out with your paintbrush before they drip off of your object.
Let the polyurethane dry for 24 hours as well before adding more coats.
Work carefully to avoid cutting the wood or shaving off the entire finish. [2] X Research source Wipe the object off with a damp cloth to remove shavings or sandpaper dust before adding the final polyurethane coat.
If your final coat turns out smooth and even, you have successfully applied the polyurethane finish. You may need to smooth certain areas down and apply another finishing coat if, after drying, you notice additional bumps and blemishes.
If your pine has been pressure treated, choose latex paint. [5] X Research source
The paint will adhere best to a smooth, flat surface. You can also use a wood stripper as an alternative to get rid of bumps or rough areas.
Let the primer dry for 30-60 minutes before painting the pine object.
Make each layer as even and thin as possible for a smooth surface. Wait for the paint to dry, which should take between 30-60 minutes, before applying additional coats.
Don’t place the object outside until it’s sealant has finished drying, which should take up to 60 minutes.
How often you’ll need new paint coats depends on how sunny and hot your climate is. If you decide to paint it a new color, use a paint stripper to remove all of the previous coats first.
If you’re sensitive to chemical smells, wear a respirator while working.
Use a spoon to fill in holes any holes or uneven areas as you go, smoothing it over with the putty knife. [10] X Research source
Epoxy takes approximately 24 hours to dry enough for additional coats.
Avoid touching the object or placing it outside until the epoxy cures, if possible.
Add up to 8 coats of varnish, depending on how much of a glossy, protective sheen you want the object to have.
