Foster® 32-61™ (clear) Asbestos Removal Encapsulant, when used full strength (undiluted), makes an excellent post-removal, residual encapsulant. Testing at Underwriters Laboratories, Inc., in conjunction with W. R. Grace Company’s Retro-Guard and Type 106, and Strong-Lite Products Corp. FP-2B, resulted in UL Classification of the system. See the UL Fire Resistance directory for complete information.

United States Patent Number 4,866,105 and 5,034,247 and 5,317,056. Canadian Patent Number 1,339,293.