Back Priming Pine Siding

Once the siding has been installed apply two coats of a top of the line latex exterior house paint to it.

Back priming pine siding.

Back priming siding yes you should always back prime as it will balance the wood. Now if you are like me you are wondering where is the trapped moisture coming from. I would strongly suggest priming the front back edges and ends of your pine siding with an oil based exterior primer before installation. 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.

I will also slow down the transfer of moisture which if not done can cause warping. Oil based primer blocks stains and fills pores well but it s noxious to use it dries slowly and it creates hazardous. Back priming helps reduce wetting up the back side. Apply one coat of primer paint to the back sometimes called back priming edges and ends of siding boards before the cedar is installed.

Also don t foget to prime the end cuts as that is a vulnurable area as well. Back priming helps prevent paint from peeling by reducing the amount of water vapor that passes through the wood. 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. 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. Where is the trapped moisture coming from. The larger continuous bin coating of full coverage did not expand and contract with the wood hence resulting in cracking and peeling. All siding takes on seasonal moisture from sources as diverse as direct rain wicking and vapor diffusion through the wall assembly.