Liquid Rubber Waterproofing and Protective Coatings Product Foundations, Planters, Ponds, Gutters, Roofing, and much more. Non-Toxic, Odorless, Environmentally Friendly, No VOCs or Chemical Runoffs Self Healing, 1500% Elongation, Resistant to Aging and UV Exposure. Coverage: 60 sq ft at 100 imperial mils Rubberseal Trowel On Liquid Rubber is a water based, VOC (Volatile Organic Compounds) free, cold applied, seamless rubber membrane specifically designed for protecting and waterproofing various household and industrial items. Offering exceptional chemical resistance, puncture resistance and elongation of >1500%, Rubberseal is a high-end emulsion that exhibits tremendous bond strengths. Rubberseal installs easily by roll or trowel, quickly developing excellent film strength. Rubberseal Roll On provides a sure seal, ideal for a durable waterproof solution in the most demanding service applications.