Paint will adhere to stain, but it won't adhere to the shiny coat of varnish or lacquer that is often applied over the stain. To paint over stained wood you have to remove the varnish with either sandpaper or a deglosser.
If the cabinets are heavily stained, use a stain-blocking primer, which dries quickly and seals knots and other surface defects that might bleed through the topcoats. In most situations, however, stain-blockers shouldn't be necessary, and an oil-based or 100 percent acrylic latex primer will work just fine.
Yes, it is possible to paint cabinets without sanding.
If you intend to paint over stained wood, you must apply oil-based or shellac primer. Latex primer won't adhere to stain properly because it is oil-based. You will need to rough up the surface of the primer if you use an oil-based primer in order for it to adhere better to latex paint.
Most stained wood has been coated in a glossy polyurethane or varnish. If you paint over these glossy surfaces directly, the paint can't properly grip the surface which may cause the paint to crack, chip, or peel off. In order to allow the paint to grip to the surface of your wood, you should sand away the gloss.
As long as you sand the wood with at least a 150 grit sandpaper, you can use acrylic paint on stained wood.
Lightly sand all the wood trim using a 220 grit sandpaper. This should help break up the varnish and give the primer a solid base to adhere to. Vacuum up as much of the dust from sanding as possible. Then, wipe down each surface with a tack cloth to ensure no dust was left behind.
Best Primer for Varnished Wood
Cover Stain is also an excellent bond coat for paint. It dries in one to two hours. Another excellent option is the shellac primer BIN by Zinsser. This product is very thin and messy to work with when using a brush, but for spraying, it sprays really well and levels nicely over wood.
You can paint over any kind of stain with kind of paint as long as you do the right priming procedure. It's pretty much the same for all stains. If you don't use the right stain-blocking primer, water stains come from wood tannins and they will bleed through every coat of latex paint.
To paint over a stain, lightly sand all glossy surfaces until the finish is dull, then wipe it down with a damp rag dipped in de-glosser. Allow time to dry. Then with even strokes, apply a quick-dry primer-sealer to prevent bleed-through. Allow the sealer to dry, and you're ready for your finish coat.
If you don't clean before sanding, contaminates (like cooking grease) will be pressed down into the wood. Contaminates will keep the soon be applied paint for sticking. You can remove the doors here in the process or wait until after you wash them down. It is totally up to you and situational dependent.
Wood cabinets are ideal for painting, but any surface that can be scuffed with sandpaper can be painted. Laminate cabinets require a special bonding primer. The laminate must be in good condition for best results. Choose a high-quality paint.
Liquid deglosser can save time and energy by roughing up a surface to ready it for paint or stain via a chemical process versus the elbow grease required for sanding. While deglosser quickly removes paint and stain, it can't smooth uneven surfaces as sanding can. Both methods present safety concerns.
Yes, you can paint over stained wood. In fact, there are numerous correct ways to paint stained wood and the method you choose should depend on the type of stain used, the state of the wood, and whether or not you're painting a piece of furniture or some other structure.
As long as the materials are right and the painting process works, you can paint over varnish. A water-based acrylic paint is the best choice. Oil-based paint does not require an acrylic primer if used to paint only. This means that you can definitely go ahead and do it.
Final Thoughts. While polyurethane is a finish for wood, it's perfectly possible to paint over it. Acrylic and oil-based paints are perfect for painting over polyurethane-treated wood. To do so, the most important step is to clean the surface with a damp cloth.
Can you paint over polyurethane? Yes, you can paint over polyurethane, so long as you properly prepare the surface. Paint won't stick to polyurethane directly, so if you skip this step, the paint can peel off.
Our Kilz 2 Prime can go over the stained wooden doors. However, we do suggest scuff sanding the coating first to help promote adhesion, but you don't need to sand off the stain.
Just apply the primer directly on top of the varnished wood, let it dry for a couple of hours, and then apply the paint of your choice on top of the primer. The primer will create a bond, that will make the paint stick to the wooden surface extremely well even if it hasn't been sanded before.
You can paint over varnished wood as long as you use the right materials and painting process. The best paint to use is a water-based acrylic one. If you're using an oil-based paint only use an oil-based primer, not an acrylic one. “Sweet, this means it can be done!
To paint over stained wood you have to remove the varnish with either sandpaper or a deglosser. Then you can use a brush to apply a primer, working your brush using long strokes in the direction of the grain. Follow up with a couple coats of paint and you're done!
The website of the brand you are using should also have instructions on how to remove varnish. Hope that helps... All in all, as long as you are only touching up small areas with acrylic paint, then it is perfectly fine to paint over a varnish acrylic painting.