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Because it will avoid problems with
- old oil-based paint (you ABSOLUTELY need a primer over an oil-based paint before painting with water-based/acrylic pain)
- patches made of different material (patches of plaster for example) that would react differently from other parts of the wall
- bare surfaces (new walls) which won't give good adherence
- colour changes (if painting over walls of different colours, the result will look different with the first layer(s) of paint. The primer can help)
What else can I help you with?
How do you treat wood knots before Painting?
Spot prime them with a good stain kill primer. If you want to smooth it out, fill it with wood putty prior to priming it. Let it dry for about an hour prior to topcoating.
Is it necessary to power wash and use a primer before painting a house?
It's recommended to bleach and power wash prior to painting the exterior of a home. A primer/sealer should be used on any bare wood or masonry and on any chalky surface however if the surface is clean and sound, a good quality paint should adhere without a problem.
Is it possible to paint stucco surfaces?
Yes, it is possible to paint stucco surfaces. Prior to painting, it is important to clean and prepare the surface to ensure proper adhesion of the paint. Use a high-quality exterior paint and consider using a primer designed for masonry surfaces for best results.
Can you paint enamel over oil base primer?
You will want to make sure the surface is etched, primed and a top coat applied prior to painting. If it's a really large surface, electrostatic painting is a really good way to get a smooth finish without drips or mess.
Do you have to sand before using primer?
Yes, you'll need to remove any gloss, along with ensuring that the surface is clean, prior to applying a primer.
Can you use pva as a primer prior to layingself adhesive vinyl tiles?
check with the vendor but the answer is probably
Can a rough surface cement use neutralizer before painting?
If it's alkali then you'd have to use a neutralizer, like water, ammonia or baking soda, prior to painting. The pH of the surface has to be below 10 prior to painting.
How do you prepare a latex base paint to be covered by oil base polyurethane?
You'll want to ensure that the surface you are coating is clean, dry and relatively gloss free prior to covering with any coating. A primer is normally not needed in this application however a common saying in painting is "never say 'no' to a primer." In this case, it would add an extra layer of protection along with insurance against peeling.
Before I paint a cork bulletin board it is recommended that I use a base of Shellac first before I spray paint so to eliminate bleeding through can i use clear enamel spray if i do not have shellac?
A clear enamel spray will just absorb into the cork. You might as well use the paint straight. Get a stain kill primer or a shellac based primer ant coat the cork prior to painting.
Can you paint red over grey walls?
Yes. Normally, you'd want to put a grey primer on prior to painting a wall red because most reds cover poorly, but the grey will keep light from reflecting back through the red paint, giving the illusion of good coverage. Be sure to apply the paint evenly and always work to a wet edge to avoid lap marks which would require applying another coat.
What is face primer?
Face primer is a clear gel, liquid or cream put on the face prior to applying foundation and/or powder. It fills pores, smoothes the skin and helps foundation adhere better and last longer.
Do I need to apply primer before painting the house?
Paint is available today that combines sealer properties with top coat.Determine if the timber on your house will be compatible with this type of paint.Otherwise a water-based primer/sealer is fine,remembering that some timbers require special paint.
