National 8 In. Zinc Extra Heavy-Duty Door Barrel Bolt genesis ii 300 There is also a felt

There is also a felt weather stripping that lines the entire vent frame helping to keep the enclosure as insulated as possible

Fitted with our patented weather-blocker

or in any application where the membrane is protected from long-term ultraviolet exposure

Keeps the barn door from swinging in or out on the track

National 8 In. Zinc Extra Heavy-Duty Door Barrel Bolt genesis ii 300 There is also a feltNational Catalog Model V832. This bolt is designed for security on farm buildings, sheds, stockrooms, doors, and other heavy duty installations. It can be padlocked for additional protection. Can be mounted with carriage bolts for added security. Surface and universal strikes are provided.