Primer paint gives your finished paint job a smoother finish than if you did not use a primer at all because paint grips better and it will last much longer. Primers will, even though relatively expensive, save you a lot of money in the long run. What you use to prime depends on the surface that you are painting — wood, metal or concrete.
Is it okay to put latex paint over oil-based, or is it the other way around? Start by finding out if the existing paint is oil or latex by rubbing the surface with denatured alcohol on a rag. If not, the existing paint is oil-based.
The Insider Picks team writes about stuff we think you'll like. Business Insider has affiliate partnerships, so we get a share of the revenue from your purchase. Exterior paint has to stand up to a whole lot of punishment, from rain to sun to snow to wind to mud and so much more.
Oil vs latex, the two paints are very different, and each has their strengths and weaknesses. For hundreds of years, paint was mixed on site by the local painters adding a little linseed oil, colorant usually leadsome whiting and driers. Most paints were custom formulated by the painter of that region.
You have two cans of 'Venetian Blue' satin paint, one labeled for exterior use and one labeled for interior use. Yes, both contain the same pigment and have the same sheen, and yes, of course they're both paint. But after those two similarities they begin to differ.
Okay, so time to share another big painting mistake. When we ripped out the carpet in the living and dining rooms to make room for my new painted subfloorsa big gap was left between the bottom of the molding and the floor. We quickly saw that we would need to add shoe molding around the bottom of the existing trim.
It is really important to know what type of paint you currently have on the walls or trim. There are some significant differences between oil and latex based paints. Top quality oil based paints tend to be very smooth when touched. A cheap oil can take forever to dry and yellow in time while a premium grade acrylic will keep its color and be as hard and smooth as an automobile finish as a matter of fact, many auto finishes are water thinned now!
Even though interior trim doesn't cover much space compared to walls or ceilingsit's a small thing that really calls big attention to itself. Window sills are where you place your morning cup of coffee; door casing you pass a million times a day as you go from room to room. It's usually close-up and closely examined, and that's just the visual aspect of it.