Corrode Blok™ Technology

Rust-Oleum® Rust Reducing Technology

The Corrode Blok™ Technology lightweight, yet durable 3 layer SFS waterproof material. The exterior and interior layers are made from waterproof polypropylene. The middle layer features a VCI (Vapor Corrosion Inhibitor) film that effectively prevents the buildup of rust or corrosion. This material is breathable and flexible in cold weather environments.