Best Temperature To Paint Exterior Siding

For an oil based paint the best temperature to apply is between 40 and 90 degrees fahrenheit.

Best temperature to paint exterior siding.

For latex based paints it s 50 to 85 degrees. If your house was built before 1978 there might. 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. 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. 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. The best drying will occur when the relative humidity is 40 to 70. Painting during hot weather can cause latex paint to dry too fast resulting in brush marks and clumps of paint on the paintbrush.

As for humidity levels the best drying will occur between 40 and 70 percent humidity. Optimal relative humidity rh levels for exterior painting tend to be in the 40 to 50 percent range. Dirt mildew and chalky old paint prevent fresh paint from adhering properly. That s mainly for exterior painting.

The maximum and minimum recommended temperatures for exterior paint vary depending on the type oil or latex and specific brand of paint used but a general rule of thumb is that oil based paint can be applied when the temperatures are between 40 90 f and latex between 50 85 f. Cover plantings air conditioner s and exhaust vents with drop cloths. Prep before you paint.