Best Temperature To Paint Exterior Siding

Optimal relative humidity rh levels for exterior painting tend to be in the 40 to 50 percent range.

Best temperature to paint exterior siding. Prep before you paint. Tie back shrubs and tree limbs. Some humidity is desirable to perfectly calibrate the drying rate. The best temperature range for painting outdoors with latex paint is from 50 to 85 f.

If your house was built before 1978 there might. That s mainly for exterior painting. Dirt mildew and chalky old paint prevent fresh paint from adhering properly. Painting when it s too cold can cause the paint to not adhere well to the surface resulting in cracking and peeling.

The usual recommended temperature range for latex paints the type used most often is 50 f to 90 f says rico de paz our paint expert. Ideal temperatures the ideal time to paint your house is when you have a day with low to moderate humidity no wind and temperatures ranging between 60 and 85 degrees fahrenheit. For latex based paints it s 50 to 85 degrees. Painting during hot weather can cause latex paint to dry too fast resulting in brush marks and clumps of paint on the paintbrush.

Cover plantings air conditioner s and exhaust vents with drop cloths. As for humidity levels the best drying will occur between 40 and 70 percent humidity. As an extreme example a dark surface painted in direct sunlight will cure so fast that brush marks remain in place and uneven glossiness called paint flashing will occur.