Prembond Mastic™

A self-supporting, low-density petrolatum mastic for molding and filling irregular profiles.

Surface preparation

Hand Tool Cleaning
Power Tool Cleaning
Prembond Mastic for smoothing profiles before wrapping with Premier Coatings Tapes

Prembond Mastic™ is a lightweight, non-setting self-supporting mastic for smoothing contours and filling voids on joints, couplings, valves before wrapping with Premier Coatings™ petrolatum tapes. Weight for weight it will fill three times the volume filled by other brand mastics and more than twice the volume filled by Premier Coatings™ Molding Compound. Mastics are sold by weight but used by volume, this means that Prembond Mastic can provide large cost savings.

Prembond Mastic is a component of Premier Coatings’s recommended tape system specifications covering the protection of ferrous pipes, joints and fittings within the water and energy industries. Meets AWWA C217 Standard.

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Request Safety Data Sheets (SDS)
  • Easy application from arctic to tropical temperatures
  • Excellent molding and sealing properties
  • No VOCs
  • Will adhere to metal, PVC, polyethylene and concrete
  • Not effected by water, acids and salts
  • Non-hardening in cold weather
  • Minimal surface preparation (SSPC SP 2-3)
  • Meets AWWA C217 Standard

  • Premier Coatings Sealing & Molding Brochure

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