On Fri, 19 Jun 2009 15:03:43 -0700, 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.

If the owner insists, and the owner is willing to pay for it, thne why
not?