Stripping Ventilation

Use paint strippers outdoors if possible. If you must use them indoors, cross-ventilate by opening all doors and windows. Make sure there is fresh air movement throughout the room. Ventilate the area before, during, and after applying and stripping. Never use any paint stripper in a poorly ventilated area. If work must be done indoors under low ventilation conditions, consider having the work done professionally instead of attempting it yourself.
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Painting Windows

When painting casement windows, make sure they are wide open. Paint the top, side, and bottom edges first, then finish with the crossbars, frames, casings, and sills. 1. For double-hung windows move each sash to the center of its track, and paint the inside sash, starting with the crossbars. Then, paint the frame. Don’t paint the top edge of the inside sash; you’ll use it to move the sash. Next, paint the top half of the outside sash, starting with the crossbar, then the frame. 2. Close the sashes to within several inches of the closed position. Paint the rest of the outer sash and the top edge of the inner sash. Paint the window casing, then the sill. 3. Paint the check rails. Move both sashes down as far as they will go, then paint the upper rails. Once the paint is thoroughly dry, move both sashes up and paint the lower rails of the window.
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Painting Temperature

When using latex be sure that the temperature is above 50 degrees F. It is difficult for latex to form a film at lower temperatures. With solvent-borne paint, be sure the temperature is at least 5 degrees above the dew point. If it isn't, water may condense on the surface as it cools while the solvent evaporates, causing an uneven blushing effect.
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Surface Prep

When paint fails, it�s usually caused by weak surface preparation. Spend time on a few basics before you begin to get the results you want when you�re done. Simply washing walls with detergent to remove dirt, grease, oil, and fingerprints can make all the difference. A clean everyday floor sponge mop makes a great wall washer. Be sure to rinse thoroughly and give everything adequate time to dry.
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Buying Paint

Most exterior paints will cover about 400 square feet per gallon for one coat. But adjust for waste factors like the type of surface and equipment used. If the surface is rough or porous, add 20% to the total gallons figured. If siding is narrow (4 to 5 in.), add 10%. If on a corrugated surface, add 33%. Also add on a 10% waste factor if using brushes or rollers, add 20% for airless paint sprayers, and add about 40% for air paint sprayers.
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Painting Over Gloss

If you’re painting over an old semi-gloss paint, check to see if it has become hard and brittle. Try to pick off a piece from an obscure area with your fingernail. If it chips, it probably needs a light sanding to improve the “tooth” for a new coat of paint.
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