RM-10 | Black Jack, All-Weather Roof Cement, 10oz Pack of 12 | DiversiTech

Cement Black Jack AW 10 oz. (RM-10) by DiversiTech DiversiTech's Cement Black Jack AW (RM-10) is a durable and effective sealant designed for sealing gaps and cracks in concrete surfaces. This 10-ounce sealant is easy to apply and dries to a black finish, making it ideal for both indoor and outdoor applications. Its water-resistant formula provides long-lasting protection against the elements, while its flexible nature allows it to withstand movement and vibration without cracking. Cement Black Jack AW is also non-flammable and low in VOCs, making it safe for use in occupied spaces. Whether you're a professional contractor or a DIY enthusiast, Cement Black Jack AW is an excellent choice for sealing concrete surfaces and ensuring their longevity. Our HVAC supply store offers the best prices and fast shipping on Cement Black Jack AW and other DiversiTech products. Shop now and get the industrial-grade sealants you need for your next project! The Black Jack® RM-10 all-weather roof cement is an asphalt based patching compound designed to repair cracks, splits, seams and holes in roofing materials. It also works great in new construction for setting flashings, drip edges, and roofing material edges. Can be used in wet or dry conditions. Seals flashings and other roof projections. Fiber reinforced. Thick trowel grade.