On Jun 19, 5:03*pm, SparkyGuy wrote:
In a fully-insulated home in N. California SF Bay Area (very temperate
climes) is it common to seal the back side as well as the front of kickboard
molding? The owner is insisting that the back side be sealed also with
organic varnish or polyurethane.

Recommendations?

Thanks.

Only if he pays for it, no its not normal. Do T&M with a 1/4" brush.