David Bolton When the CVR Cladding Kit Thickness Gets Picked Wrong: How the Half-Inch vs. Other Interior Offsets Create a Misaligned Rod System What This Article Covers and Who It Helps This guide is for commercial contractors, door hardware distributors, and facility managers who specify or install concealed vertical rod (CVR) exit devices o... CVR exit devices commercial door hardware concealed vertical rod hardware exit device installation fire door compliance Jul 8, 2026