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Prime base prior to installation?

I assume that base should be primed prior to installation? This particular base is being installed in a basement and the floor is a finished/layer concrete. If it's not primed the raw edge would be up against (or nearly against) the concrete which seems like a future problem. Any advice?

Also, we are trying to avoid shoe mold since we want a more modern, clean look. Any advice on how to install the base as tight as possible knowing that the cement floor is likely not perfectly level?

Thank you

JLMCDANIEL
Re: Prime base prior to installation?

Set the base in place and scribe the bottom and cut to fit. I would prime all six sides and put the first coat of finish on before installing.

Jack

Mastercarpentry
Re: Prime base prior to installation?

Agreed on the 6-side priming, but as long as the space isn't excessive to you, you can install it as tight as you can bend it without a scribe fit. If it takes much bending I'd also glue it to the sheetrock (something I would normally not recommend) The space underneath can be caulked if you wish; it's the direct contact between masonary and wood you want to avoid. Normally 1/8"spacing is required but half that will be enough. Also I'd use wood here, not MDF which sucks up moisture like a sponge till it destroys itself. To make the painting easier apply the first finish coat on the face before installation- that helps hide any small mistakes during the final finish coat and adds some durability.

Phil

Handyman-Painter
Re: Prime base prior to installation?
JLMCDANIEL wrote:

Set the base in place and scribe the bottom and cut to fit. I would prime all six sides and put the first coat of finish on before installing.

Jack

Yes, If I were you, I do the Prime before installation too.

HoustonRemodeler
Re: Prime base prior to installation?

we prime and first coat before installation

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