Back Priming Pine Siding

It occurs either when heated or air conditioned air from the house radiates out and meets the cold or hot outside air.

Back priming pine siding.

All siding takes on seasonal moisture from sources as diverse as direct rain wicking and vapor diffusion through the wall assembly. Apply one coat of primer paint to the back sometimes called back priming edges and ends of siding boards before the cedar is installed. The larger continuous bin coating of full coverage did not expand and contract with the wood hence resulting in cracking and peeling. Back priming natural wood siding helps control rotting mold build up cupping and movement in the wood ultimately giving your siding and your stain finish more longevity.

The best primer for pine like paint primer comes in a variety of bases. Back priming siding yes you should always back prime as it will balance the wood. Where is the trapped moisture coming from. Now if you are like me you are wondering where is the trapped moisture coming from.

Also don t foget to prime the end cuts as that is a vulnurable area as well. Once the siding has been installed apply two coats of a top of the line latex exterior house paint to it. Not only does back priming prevent rot it prevents bowing cupping. I will also slow down the transfer of moisture which if not done can cause warping.

Back priming helps prevent paint from peeling by reducing the amount of water vapor that passes through the wood. Back priming helps reduce wetting up the back side. The pine clapboards we primed with bin could have had a high moisture content and also probably moved a fair amount with seasonal changes flat sawn vs. Oil based primer blocks stains and fills pores well but it s noxious to use it dries slowly and it creates hazardous.