EXTERIOR & INTERIOR DESIGN PAINTS |
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Explaining the difference between a finish and an undercoat is somewhat simple. Primer is formulated to glue it self to a surface. Paints are formulated with an ingredient that bonds to the primer. Always buy the best undercoat that you can afford. Never let primers sit to long before applying your top coat of exterior or interior design paints. Also prep and repair any PROBLEMS your indoor or outdoor surface may have before undercoating.
PRIMER FACTS:
Quality primers are easy to sand, and create good binding or grip for the top coat. They have mildew resistance and, end with the completed project having a smother, thicker, surface. Undercoats also give the final finish better sheen and color retention properties, especially on a rougher areas. Sealers keep paint from being absorbed into a surface and will block stains such as ink on walls or tannins in wood. Primers and sealers can be purchased as an ALKYD or a LATEX. Oil or latex undercoats are usually finished with products derived from the same base. This is not a hard fast rule some surfaces require an alkyd primer, top coated with a latex finish and visa versa. Alkyd undercoats work best for chalked areas or wood like cedar that has a tendency to bleed. Due to there ability to breath latexes performs best when water or humidity is a concern. If you’d like to save a little money have the dealer tint the primer to the color of your exterior or interior design paints. By doing so you may be able to get away with an undercoat and one finish. If you end up having to apply another top coat it will look that much better in the end.
Health and Environment
Paint of all kinds can cause environmental concerns. Volatile organic compounds which most exterior and interior design paints contain are harmful to the majority of life forms. For more information concerning your chosen product and how to dispose of it contact your local paint dealer or government agency.
New Wood:
Prime with a stain blocking oil primer made for the wood your painting. If not tannins willseep from redwood or cedar and sap may bleed in the case of pine. Always finish with your exterior or interior design paints as soon as possible. Undercoats left exposed to the elements will cause wood fibers to break down.
Repainting:
If your repainting, spot priming pealed AREAS is all that’s required. For example when paint flakes from a door the underling wood may be seen. Apply an undercoat to the bare spot and when dry, paint the rest of the entrance way with EXTERIOR or interior design paints.
Older Wood:
Wood that's seen a few seasons should be scraped if pealing and then sanded. Once the area is properly prepped apply either an oil or latex undercoat.
Stucco & Masonry:
Due to moisture concerns always use latex products on STUCCO or concrete. If the area being painted is rough with cracks and holes use an electrometric for bridging. Otherwise a regular water based primer sealer will work fine. Then top coat with your favorite exterior or interior design paints.
Ferrous metals:
Remove rust with a wire brush then wash the area with solvent. Let thoroughly dry and undercoat with two coats of rust inhibiting primer. Proceed to either a latex or oil based top coat.
Slick Surfaces:
There are primers made for hard to bond GLASS, ceramic tile, VINYL, and FORMICA your paint dealer will help you select the appropriate priming product. Once you've done so
proceed to the area of this site that gives you advice on painting slippery surfaces.
Drywall:
Latex primer sealers are best for new home construction. An oil based product rolled on to the walls of brand new DRYWALL can cause the paper to become fuzzy. Use a water
based undercoat then follow with two coats of interior design paints.
Specialty:
If you have water, smoke or other stains showing threw your paint job, tell your paint dealer. They will assist you with selecting the appropriate primer or sealer for your
specific situation. If not you’ll need to find a new paint SUPPLIER.
Aluminum:
Aluminum should be weathered for at least a year prior to painting. If a powder forms remove it with a non metallic scouring pad. Prior to using your exterior paint wash the
surface with solvent (ask your paint dealer for help) then apply a latex galvanized primer and top coat.
If your looking for other decorating solutions. Choosing exterior paint colors or advice on interior design paints. Hit the HOME link. You should be able to find your decorating idea by reading the text. If I have missed something or you would like to ask a question e-mail me. Your address will be held in the strictest confidence. I will also try to answer you promptly as possible.
