Applying a Guide Coat Before Paint

Why You Truly Need a Guide Coat Before Painting? A layer of primer is recommended for nearly all painting jobs, whether it's new drywall, old wood, bare metal, formerly repainted block, or any other surface.

Guide is essentially sticky, level paint that is developed to adhere well as well as to supply a consistent base for topcoats of paint. If you repaint a surface area without priming it initially, you will likely require more layers for appropriate insurance coverage, and the paint might not stick also to the initial surface area as it would certainly to the primer.

There are different formulas of guide intended for various surfaces.

Benefits of a Primer Coat

Using guide over brand-new surfaces seals the initial material so that the paint does not soak right into it, requiring added coats. Guide likewise assists to conceal joints, or joints, on brand-new drywall, and it stops bleed-through from knots as well as other all-natural acnes and also coloring in the bare timber.

Primer with stain-blocking buildings seals over mold spots and also other discoloration to avoid them from showing through the finish coats of paint. Primer put on stonework, steel, as well as several wood surface areas are crucial for proper bonding of the paint work.

Guide is usually white but can be various other neutral colors. There is no demand to color the guide itself, however some paint shops will add a little quantity of pigment to the primer to make it closer to your last paint shade.

Oil-Based Primers

An oil-based primer is usually recommended for surfaces that are most likely to be touched, such as doors, windows, and cupboards. Oil-based primers call for mineral spirits for thinning and clean-up. They are exceptional for securing over bothersome timbers, such as cedar. Shellac-based primers a created to cover the most tough surfaces, consisting of smoke stains, crayon, and oil-based adhesives.

Water-Based Primers

Water-based, or "latex," primers are terrific for blocking stains and also even much better when the surface area has locations that were filled with paste. They supply a wonderful adaptable completed with outstanding splitting resistance and also are recommended to be utilized on new drywall as well as bare wood.

Before using water-based guide to bare timber, examination it in an unnoticeable location to make certain it does not elevate the timber grain. Numerous water-based primers can likewise be made use of on plaster, masonry, block, as well as painted steel, depending upon the specific formula.

Generally, better-quality water-based primers use 100-percent acrylic resins and also set you back a little bit greater than standard-quality solutions.


A paint-and-primer-in-one product is developed to secure and cover surfaces in one coat. These items work best on new drywall or formerly repainted surfaces and also can offer decent protection in one layer.

Nevertheless, they are developed more as thick paint than as guides. This means that they may not execute in addition to real guide in lots of scenarios. On surfaces that require the high-performance bond, stain-blocking, or sealing residential properties of true guide, a paint-and-primer product is not suggested.

There is no requirement to color the primer itself, but some paint stores will certainly include a small amount of pigment to the primer to make it closer to your last paint shade. An oil-based guide is usually recommended for surface areas that are likely to be touched, such as closets, doors, as well as home windows. Shellac-based guides a designed to cover the most difficult surfaces, consisting of smoke stains, pastel, and oil-based adhesives.

They are developed more as thick paint than as guides. On surface areas that call for the high-performance bond, stain-blocking, or securing homes of true primer, a paint-and-primer item is not suggested.