Back Priming Pine Siding

Now if you are like me you are wondering where is the trapped moisture coming from.

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. I will also slow down the transfer of moisture which if not done can cause warping. Back priming siding yes you should always back prime as it will balance the wood. Back priming helps reduce wetting up the back side.

The larger continuous bin coating of full coverage did not expand and contract with the wood hence resulting in cracking and peeling. Also don t foget to prime the end cuts as that is a vulnurable area as well. I would strongly suggest priming the front back edges and ends of your pine siding with an oil based exterior primer before installation. 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.

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. Where is the trapped moisture coming from. The best primer for pine like paint primer comes in a variety of bases.

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. Oil based primer blocks stains and fills pores well but it s noxious to use it dries slowly and it creates hazardous. 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. Back priming consists of applying a coat of primer to the reverse side and edges of boards before installing.