From: CertainTeed Corporation
The Restoration Millwork InvisiPro hidden fastening system from CertainTeed further simplifies the neat installation of exterior trim. Its grooved millwork design features precision-fit, concealed flanges that secure directly to the wall using screws for a nail-free face and a secure fit with no holes to fill. System products available include a One-Piece Corner System and Three-Piece Trimboard System, each offered in TrueTexture woodgrain and smooth finishes. Restoration Millwork products come with a 25-year limited warranty.