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Paint Preparation

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PLASTER (new) must be allowed to dry thoroughly for at least 30 days before painting. The rooms must be ventilated while drying. In cold damp weather the rooms must be heated. Any damaged areas need to be repaired with patching paste. Bare plaster, new or old, should be dry, cured and hard. Textured or swirl types of soft porous or powdery plaster should be treated with a solution of one pint household vinegar in one gallon of water. Repeat until the surface is hard. Rinse off with plain water and allow to dry.

DRYWALL must be clean and dry. All nail heads need to be set and spackled. Joints must be taped and covered with joint compound. Spackled nail heads and taped joints should be sanded smooth and all dust removed prior to painting. New walls require one coat of latex wall primer, then two coats of latex paint in the desired sheen. Previously painted walls must be clean and free of dirt, dust and mildew. Remove pictures, nails and hangers. Fill and sand holes where necessary. Stains and discoloration from smoke must covered with a paint pigmented sealer, like Kills™.

SPACKLED AREAS should be primed with latex wall primer. Glossy surfaces must be clean and dulled. Make sure that no cleaner residue remains on the surface. When the surface is properly prepared a coat of latex wall paint may be applied.

EXTERIOR COMPOSITION BOARD (hardboard) whether primed or unprimed, it should be cleaned thoroughly and primed with an alkyd undercoater. If the surface has been previously painted, then loose or peeling paint must be removed by scraping, sanding or by high-pressure washing. Bare areas must be primed and two coats of acrylic latex must be applies.

GALVANIZED METAL SURFACES must weather for at least six months prior to coating. Clean with a solvent cleaner or lacquer thinner and apply two coats of acrylic latex. No primer is required. For previously painted surfaces, remove loose or flaking paint by a wire brush or power tool. Also clean and remove all loose rust and mill scale. In addition, note that glossy surfaces must be clean and dulled before painting. Following proper preparation, two coats of industrial waterborne enamel may be applied.

PLYWOOD must be clean and dry. Loose paint may be removed by sanding or high pressure washing. Bare wood must be primed with exterior undercoater and two coats of acrylic latex may be applied.

STUCCO must be clean and free of loose stucco material. If recommended procedures for applying stucco are followed, and normal drying conditions prevail, the surface may be painted with latex paint in 5-7 days. Previously painted surfaces must be clean and dry.

WOOD SIDING must be free of dirt and loose flaking paint either by scraping, sanding or high-pressure washing. Knots and pitch streaks should be scraped and sanded. All bare wood must be primed with exterior alkyd undercoater. Nail holes and openings should be caulked after priming. Painting is not recommended immediately after rain, during foggy weather, or when temperature is below 50 degrees. When surfaces are properly prepared, two coats of acrylic latex may be applied.

PREVIOUSLY PAINTED SURFACES may not permit or even require complete removal of old coatings prior to painting. However, all surface contamination such as oil, grease, loose paint ' dirt, foreign matter, rust, mold, mildew, mortar efflorescence and sealers must be removed to assure some bonding to the tightly adhering old paint. In addition, glossy surfaces of old paint first must be cleaned and dulled before painting. Check for compatibility of the previously painted surface with the new coating by applying a test patch of 2-3 square feet. Allow to dry thoroughly and check adhesion.

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