Pro-Release with Winter Guard is a water-based, chemically active form release agent designed for cold weather application and storage. The formulation uses a combination of chemical and barrier components for improved release for most mix designs, including mixes containing pozzolans. Contractors can apply in temperatures as low as 25° F. It is low odor and low VOC (<120 g/l), and can be applied on plywood, steel, and aluminum forms. Nox-Crete Products Group. 800-669-2738.