Back Priming Pine Siding

The best primer for pine like paint primer comes in a variety of bases.

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. We use it for back priming posts as well. This coupled with the fact that siding is often times not vented. Apply the primer to the siding with the roller.

You can use bin shellac primer as an exterior primer as long as it s topcoated which all primers should be. The moisture is trapped behind the siding. 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. Use the paintbrush to brush the rolled primer into the wood.

Not only does back priming prevent rot it prevents bowing cupping. Where is the trapped moisture coming from. Dries in 15 minutes and is the best moisture sealant bar none. Importance of back priming when installing wood 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. It is great for sealing the endgrain of clapboards and trim as you are installing them. Oil based primer blocks stains and fills pores well but it s noxious to use it dries slowly and it creates hazardous. I would strongly suggest priming the front back edges and ends of your pine siding with an oil based exterior primer before installation.

Once the siding has been installed apply two coats of a top of the line latex exterior house paint to it. Back priming helps prevent paint from peeling by reducing the amount of water vapor that passes through the wood. Apply a coat of stain blocking primer to the siding using a clean paintbrush and roller.