Back priming consists of applying a coat of primer to the reverse side and edges of boards before installing. Back priming helps prevent paint from peeling by reducing the amount of water vapor that passes through 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. Watch this video to find out more.
- How to Prime Exterior Wood Siding (article)
- How to Choose the Right Paint Primer (video)
- Homeowner’s Guide to Paint Primer (article)
- Priming Before You Paint (article)