GCP Bituthene Mastic Membrane, 30-Ounce Tube

GCP Bituthene Mastic is a rubberized, asphalt-based mastic. It provides excellent adhesion to structural concrete, masonry and wood. Bituthene Mastic is designed to seal terminations, edges of patches and overlaps in detail areas. On vertical applications, the mastic must be applied to both the top and bottom terminations.

• Apply with either a caulk gun or trowel
• Excellent adhesion
• VOC content is 225 g/L.
• 30-ounce tube