Using the correct paint primer or sealer will help guarantee that your paint will grip the surface, increasing the overall quality and durability of your paint job. Far too often I see the results of pinching pennies and not using a good primer. Your exterior house paint can last 5 years or longer by using the correct type. By not using it on raw unpainted areas you are assured of early failure of the paint film, resulting in peeling. A properly sealed surface is just as important for interior painting. Porous surfaces, such as raw drywall or plaster, and sealing water stains are just a couple of examples. Paint primers exist in many forms and serve a variety of functions. Their uses around your home are limited only by the surfaces that you want to paint.
There are 3 basic types of paint primers to choose from.
- Alkyd - oil base
- Acrylic - latex
- Tinted shellac