Custom Multi-Surface Bonding Primer (MBP)

Custom Building Products
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Custom Multi-Surface Bonding Primer (MBP)

Custom Multi-Surface Bonding Primer (MBP) is a single-component, water-based primer engineered to deliver superior adhesion on a variety of substrates where proper bonding is difficult. Specially formulated with aggregates and polymers to promote mechanical adhesion on non-porous substrates.


  • Ready-to-use primer
  • Unsurpassed adhesion on difficult-to-bond substrates
  • For use on porous and non-porous surfaces
  • One-coat application
  • No shot blasting or abrasion required

Prepares surface with a textured finish that is suitable for installation with modified cement mortar and self-leveling underlayments.

Suitable Substrates

  • Well bonded water resistant cutback or old adhesive.
  • Non-porous concrete
  • Porcelain & Ceramic tiles with Glazed or Smooth surfaces
  • Exterior grade plywood and OSB (interior only)
  • Epoxy Coating
  • Cement and Epoxy Terrazzo
  • Quarry Tile
  • Natural stones
  • VCT
  • Vinyl flooring
  • Moisture Vapor Barrier (TECH MVC)
  • Moisture Vapor Barrier (Sheet Goods)
  • Laminates
  • Rigid Fiberglass panels
  • Properly prepared gypsum-based underlayments (interior only)
  • Primer for some tile backed with epoxy resin for interior residential and light commercial applications - contact Custom Technical Services for more information
  • Cleaned, Rust-free Steel


  • 1 Gallon
  • 3.5 Gallon

Custom Building Products Part #

  • 1 Gallon - CPMBP1
  • 3.5 Gallon - CPMBP3


1 Gallon covers 150 ft² to 300 ft²

Custom Multi-Surface Bonding Primer (MBP) Technical Data Sheet