0.060″ bitumastic with HDPE backing
High-performance water-proofing membrane for culvert structures
MarMac SealWrap is a dual layer joint wrap between 6” and 36” in width and 0.065” in thickness. The product is composed of two separate elements, a proprietary, specially formulated bitumen derived mastic and a heavy-duty puncture and tear resistant HDPE backing. These two elements are cross bond laminated during production to create an inseparable dual layer product with the purpose and descriptions below.
• Aggresive Tack and initial adhesion to all concrete surfaces.
• Continuous adhesion at ground temperatures after application.
• Puncture and Tear Resistant
• Infiltration and Exfiltration Proof
• Resistant to drying, oxidation, hardening
• Primer not typically needed
• Economical and Effective
• Available in a range of widths and lengths