Grace Bituthene EM3000 Mastic

Grace Bituthene EM3000 Mastic is a rubberized asphalt-based compound designed for sealing terminations, overlaps, and detail areas in waterproofing applications. It offers excellent adhesion to a variety of construction surfaces including structural concrete, masonry, wood, and glass-mat-faced gypsum sheathing. This mastic is an essential component in the Bituthene® waterproofing system.

Key Features:

• Rubberized asphalt formulation for superior flexibility and durability

• Excellent adhesion to concrete, masonry, wood, and gypsum sheathing

• Ideal for sealing terminations, laps, and detailing in waterproofing systems

• Compatible with Bituthene® membranes and self-adhered air barrier systems

• Available in both 5-gallon pails and 30-ounce tubes

Application Guidelines:

• Apply with a trowel or caulking gun to clean, dry surfaces

• Ensure application to both top and bottom terminations in vertical installations

• Use only in conjunction with Bituthene® membranes; not a standalone waterproofing material

Limitations:

• Not intended for use underneath Bituthene® membranes, except for temporary cut-offs

• Not suitable as a primary waterproofing layer

Packaging:

• 5-gallon (18.9 liters) pails

• 30-ounce (0.89 liters) tubes

Grace Bituthene EM3000 Mastic ensures reliable sealing performance and long-term durability for critical waterproofing applications.