Grace Bituthene Mastic - One part, gun or trowel applied mastic for sealing Bituthene membrane terminations and details
Bituthene Mastic is designed to seal terminations, edges of patches and overlaps in detail areas. When applied to vertical areas, the compound has to be applied on both bottom and top terminators.
Bituthene® Mastic is a rubberized, asphalt-based mastic. It has excellent adhesion to structural concrete, masonry and wood. The VOC (Volatile Organic Compound) content is 200 g/L. Architectural and Industrial Maintenance Regulations limit the VOC content in products classified as Architectural Coatings. Bituthene Mastic is available in tubes or pails.
Bituthene Mastic is an integral part of the Bituthene waterproofing system. This mastic should not be applied where it will be covered with Bituthene waterproofing membrane, except as permitted as a temporary cutoff. It should not be used as a primary waterproofing material.
