Rhino Extreme from Rhino Linings Systems is based on polyurea chemistry so it can be applied in less-than-ideal conditions, including damp, low-temperature or high-humidity environments. It provides waterproofing, and abrasion, impact, chemical and corrosion resistance. It can be applied up to an unlimited thickness and cures quickly. It is available in 2-to-1 or 1-to-1 ratio formulations, and includes two Class I fire-rated formulas, 11-50 FR and 11-70 FR, and one formula for application over geotextiles, 11-50 GT. It should be applied by a trained applicator using high-pressure plural spray equipment. 800/422-2603; www.rhinoliningsindustrial.com.