How To

Fall Painting Tips

Fall can be an excellent time to paint the exterior of your home, however there are a few special precautions that need to be taken.
Most exterior paints and stains should not be applied in temperatures lower than 50° F. However, Hirshfield’s Paint Manufacturing has a complete line of premium 100% acrylic latex paints and primers that have been specially formulated to be used in temperatures as low as 35°F.
Ideally air and surface temperatures should not drop below 35° for 36 hours after application to allow proper drying and film formation.
Following are some other tips to make your fall painting project successful:
• As a general rule of thumb, the best hours of application in the fall are between 10:00 a.m. and 3:00 p.m.
• When possible try to start your painting on the sunny side of the house and follow the sun around (this is just the opposite of painting in the summer).
• Lower temperatures mean slower drying and longer curing times. Be sure to allow ample time between coats, generally 24 hours. This is especially critical when using darker colors (more colorant) or when applying a latex paint over an alkyd primer.
• Watch those dew points! The dew point is the temperature at which moisture will condense on a surface. Paints, stains, or primers should not be applied unless the surface temperature is at least 5° higher than the dew point. Remember that all surfaces to be stained or painted need to be clean and dry. If dew forms on a painted surface that hasn’t had a chance cure properly, you may experience some water spotting or surfactant leaching problems, especially in darker colors.

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