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Written by Administrator   
Monday, 23 October 2006


C-Tech Butyl Mastic, a High tack Quality Butyl Sealant

Use: C-Tech Butyl Mastic can be used to seal:

  • Manholes
  • Concrete pipes
  • Septic tanks,
  • Pre-Cast Box culverts
  • Wet Wells
  • Storm drains
  • Will stay flexible indefinitely

Note: The mastic thickness should be twice the thickness of closed space to be sealed.


For Concrete Joints.

  • Meets Astm or exceeds C-990
  • Fast insulation with long lengths
  • Excellent adhesion and cohesion
  • Extreme temperature workability
  • Permanent bonding & flexibility
  • Non-toxic
  • Will not shrink or oxidize


1. Brush sealing surfaces to remove foreign materials.

2. Make sure sealing surface is dry.

3. Press tip of exposed sealant against bottom of joint surface and wrap the coil around joint, putting ends together.

4. Remove paper wrapper and couple joint.

5. Wet or unusual applications may require primer.

Butyl Table

Download PDF Brochure here

Last Updated ( Friday, 10 November 2006 )