Designed To Be Installed By Removing Only A Portion Of The Ridge And Does Not Require A Conventional Flashing System Works With Vented & Non-Vented Ridge Caps Perfect For Asphalt, Wood & Metal Roofs Includes A Butyl Strip For A Waterproof Seal Low Profile Design Blends Into Roofing And Can Also Be Painted To Match Roof Colour Complies With All OSHA And ANSI Standards Includes Stainless Steel Fasteners Primegrip Double Ring Anchor