Back Prime Siding

Kimberly bay 3 4 in.

Back prime siding.

Where is the trapped moisture coming from. Back priming consists of applying a coat of primer to the reverse side and edges of boards before installing. Tyvek or foiled faced insulation which does not allow large moisture droplets to flow through. Not only does back priming prevent rot it prevents bowing cupping.

Prime construction we are locally owned with 12 years of experience in the construction industry. When back priming be sure to prime the ends of each piece after it has been cut to fit since end grain will absorb the most moisture. We clearly understand that the best way to generate high customer satisfaction begins by listening and clarifying problems needs and expectations. Importance of back priming when installing wood siding.

According to rick crotts my local james hardie representative it s not necessary to back prime any of the company s fiber cement siding products. First of all lets explain what is back priming. Back priming helps prevent paint from peeling by reducing the amount of water vapor that passes through the wood. Primed wood nickel gap ship lap siding and wall panel 6 pieces per box.

All siding takes on seasonal moisture from sources as diverse as direct rain wicking and vapor diffusion through the wall assembly. It occurs either when heated or air conditioned air from the house radiates out and meets the cold or hot outside air. Frequently today s homes are wrapped with a vapor barrier i e.