Roofing Monkeys specializes in applying modified bituminous sheet (S.B.S.) membrane roof systems. Our suppliers include IKO and Soprema roofing products. Roofing Monkeys could repair all types of flat roofs. This SBS MOD BIT system is designed for its strength and durability and can be used to waterproof under wooden patio decks, green roofs, and deck walk-outs. We provide the following services with a 15 years guarantee.