Builders Edge Mounting Blocks decoratively provide a level and waterproof surface for all exterior fixtures. Mounting blocks are durable, maintenance-free, U.V. stabilized and constructed with color molded-through so they won’t scratch, flake, or fade. Our patented Snap-On Trim Ring makes installation easy. Available in a wide range of colors to match your siding manufacturer or a Paintable (030) option to easily match your home. All of our Mounting Blocks also include a limited lifetime warranty.