Simple Solutions

Importance of Back Priming When Installing Wood Siding

By: Joe Truini

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.

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  • Barrie Says:
    October 14th, 2016 at 7:11 am

    Hi. Thanks for the video. I just painted front and sides of my new pine wood siding. I’m new to this so I asked the guy at the paint shop if I needed to prime. He said two coats of the paint should be fine. Now I’m seeing that I should have primed. What will be the repercussions of not priming. Also, I haven’t done the back yet. Should I use primer or use the paint that I currently have?
    The paint is the highest quality exterior paint I could find. Thanks for any help.


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