Shop for Building Materials at The Home Depot. Take some of the work out of remodeling your basement by covering your existing 3 or 3-1/2 in. diameter support columns with this Maple 12 in. x 8 ft. Wrap. Quick and easy to install. A very attactive alternative to the tedious process of building a box around your unfinished columns. This Wrap has pre-sanded half inch wide panels of premium maple bonded to a flexible backing. This is a beautiful light hardwood maple with a fine, smooth grain. Bring out the rich natural wood beauty by simply finishing with two coats of polyurethane. Maple Cap & Base trim (sold separately) can be added to complete the look of a classic fluted column.