Cast Stone Institute

Trade association: represents manufacturers of cast stone products & industry-related companies; members undergo extensive examination every two years to ensure high product quality; visit website to find members in your area.

Buying Guide Spotlight

preservation products

Preservation Products, Inc.

Waterproofing materials for wood & masonry; Tin-roof restoration systems; AcryMax acrylic roof coating system. Also: Masonry coating systems, church work.