When wooden flooring is manufactured, the wood is dried to a 7-percent moisture content, but this can change when the wood is exposed to new climates. Learn about acclimating wood flooring to an area before installation with help from a home remodeling specialist in this free video on wood floors. Expert: William Perkinson Bio: William Perkinson is a partner with Perkinson Building Corporation, based in Birmingham, Ala. Filmmaker: Tim Brown Series Description: In order to sharpen a knife with sandpaper, the first step is to clean the knife, and different grades of sandpaper can be used to hone the blade to a very fine point. Find out how to avoid damaging a knife blade when it’s being sharpened with help from a home remodeling specialist in this free video series on home improvement and maintenance.