Bestile™ Utility Cement
Johns Manville Bestile Utility Cement is a trowel grade mastic compound designed for use in the construction of professional roof flashings and details for built-up roofing. This material is a blend of selected asphalts, fillers and petroleum solvents. This product adheres to dry surfaces, has a high resistance to weathering and provides excellent durability against stresses and wear. It has the necessary body and resilience for maintaining bond during varying temperature and weather conditions.