Gain peace of mind... protect your investment. Industry leading 3/8” crack protection! w w w . n a c p r o d u c t s . c o m • 1 ( 8 0 0 ) 6 3 3 - 4 6 2 2 Consultants, contractors and architects prefer the membrane that works best, ECB® ! ECB® membrane protects hard surface flooring from structural movement. The perfect solution for malls, airports, condominiums, hotels, high-rise office buildings and any commercial or residential installation requiring crack protection. ECB Classic ® Crack Isolation Membrane For use over concrete or wood