Back Priming Pine Siding

Apply the primer to the siding with the roller.

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. 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. It is great for sealing the endgrain of clapboards and trim as you are installing them.

The moisture is trapped behind the siding. 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. All siding takes on seasonal moisture from sources as diverse as direct rain wicking and vapor diffusion through the wall assembly. Use the paintbrush to brush the rolled primer into the wood.

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. Back priming consists of applying a coat of primer to the reverse side and edges of boards before installing. Dries in 15 minutes and is the best moisture sealant bar none. This coupled with the fact that siding is often times not vented.

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. You can use bin shellac primer as an exterior primer as long as it s topcoated which all primers should be. The best primer for pine like paint primer comes in a variety of bases.

Importance of back priming when installing wood 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 helps prevent paint from peeling by reducing the amount of water vapor that passes through the wood.