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Primers are used to prepare a surface for painting. It's always best to use a primer for new surfaces, but there are many other times when a primer is needed.

Why It's Important to Use a Primer The surfaces that should be primed include those that have never been painted and ones with stains on them. The primer seals the surface so the paint won't soak into the drywall, wood or other material. The chemicals in the primer have an adhesive quality that interacts with the paint so it will adhere to the surface more effectively.

The primer is beneficial to the paint in several ways.

Priming Drywall

According to Paint Pro, "…drywall primer is literally the glue that binds paint to the surface." The website states that primer doesn't seem to make a difference immediately, but over time, it lengthens the life of paint. BEHR Premium Plus Drywall Primer and Sealer is a high-hide primer and dries quickly. In addition to being used for drywall, it can also be used on wallboard. plasterboard and wood.

Before applying a primer to new dry wall, the surface should be thoroughly cleaned. Use a dry cloth to wipe down the wall and remove any drywall mud dust leftover from sanding.

Tinted Primer

A non-primed will take two coats of flat wall paint, which will cost more than the tinted primer. A tinted primer will ensure that the paint goes on better, lasts longer and withstand washing better and longer.

Primer for Wood

The first step in priming wood is to sand the surface. The sanding process will help the primer to adhere to the wood. Before starting, wipe the sanded surface with a clean cloth to remove dust particles left behind. Valspar® All-Weather Exterior Primer Sealer seals wood and reduces the number of paint coats needed.

Some painters lightly scuff the primer with sand paper before applying paint to heighten the adhesion. This isn't a necessary step, but is one that's highly recommended by professional painters and woodworkers.

Use Easy-Sand Primers

If you're priming wood furniture, Popular Woodwork recommends selecting an easy-sand primer, stating that "'full-bodied' general purpose primers" are "too thick for furniture projects."

Primer for Metals

Primers used for metals are applied with rollers, brushes and as sprays. These primers are corrosion-resistant. They are applied to new metal and metal that's suffering from rust. Sand off the rust before applying the primer and wipe off residue. One of the best know metal primers is Rust-Oleum that prevents rust and seals the metal.

Primers for Special Circumstances Stains often bleed through primers and paint. When this happens, you need something stronger than the average primers. There are several primers engineered to tackle these stubborn stains. Odors caused by kitchen fires and cigarettes that leave smoke stains are also candidates for this type of primer.

Dunne Edwards

Dunne Edwards Paints suggests using an "epoxy-fortified primer" such as EFF-STOP® Premium for masonry applications, such as concrete, brick and stucco. Dunn Edwards BLOCK-IT® Premium is recommended for blocking stains and odors.

Kilz Primer

Another well-known primer, Kilz seals just about any surface, including masonry and concrete. Kilz primer can cover and block stains from bleeding through paint. It can also:

Primer and Paint Combination Formulas

The primer and paint combination formulas are touted as all you need to get that primed wall effect. There are two schools of thought on this. The first holds that the primer/paint should be used on existing painted walls, but for new walls, you need to use a primer first. The other school of thought states the primer/paint works on new walls.

Consumer Reports compared Valspar Signature and BEHR Premium Plus Ultra. Both products are a paint and primer in one. Consumer Reports found that each combo product required two coats of paint for coverage. However, each had better coverage than a primer with two coats of cheaper paint.

Use a Primer for Better Results

A primer will help you to save money and paint. Choose the right type of primer to increase the life-span of your paint job. When you use a primer, it ensures that the finished look of your painting project will be the best it can be.

Why Should You Prime Before Painting