Back Priming Pine Siding

Oil based primer blocks stains and fills pores well but it s noxious to use it dries slowly and it creates hazardous.

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. Apply a coat of stain blocking primer to the siding using a clean paintbrush and roller. We use it for back priming posts as well. This coupled with the fact that siding is often times not vented.

You can use bin shellac primer as an exterior primer as long as it s topcoated which all primers should be. It occurs either when heated or air conditioned air from the house radiates out and meets the cold or hot outside air. Dries in 15 minutes and is the best moisture sealant bar none. 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.

All siding takes on seasonal moisture from sources as diverse as direct rain wicking and vapor diffusion through the wall assembly. It is great for sealing the endgrain of clapboards and trim as you are installing them. Use the paintbrush to brush the rolled primer into the wood. The moisture is trapped behind the siding.

The best primer for pine like paint primer comes in a variety of bases. Apply the primer to the siding with the roller. I would strongly suggest priming the front back edges and ends of your pine siding with an oil based exterior primer before installation. Not only does back priming prevent rot it prevents bowing cupping.

Back priming consists of applying a coat of primer to the reverse side and edges of boards before installing. Where is the trapped moisture coming from. Back priming helps prevent paint from peeling by reducing the amount of water vapor that passes through the wood.