Specifically designed for added strength in gravity sanitary and storm sewers, Aquacure RP from Applied Felts combines multiple layers of classic felt with fiberglass reinforcement, delivering an installed product with a thinner wall profile. Conforming to ASTM 1216, it is available in custom lengths of up to 100 inches diameter for pipes with a wall thickness of 3 to 55 mm. 276-656-1904; www.appliedfelts.com.