MasterBrace P 3500: Low-viscosity epoxy primer for the MasterBrace Composite Strengthening System

Formerly: MBrace Primer

How does MasterBrace P 3500 work?

MasterBrace P 3500 is a low viscosity, 100% solids, polyamine cured epoxy. As the first applied component of the MasterBrace System, it is used to penetrate the pore structure of cementitious substrates and to provide a high bond base coat for the MasterBrace System. MasterBrace P 3500 is based on a unique adduct curing technology that results in tolerance for surface moisture and for ambient temperatures down to 35 ° F (2 ° C).

Recommended uses:

  • MasterBrace P 3500 is the first component of the MasterBrace System that is applied to concrete, steel, and masonry substrates.
  • MasterBrace P 3500 is used to provide excellent adhesion of the MasterBrace System to the substrate. MasterBrace P 3500 is the first component in any MasterBrace installation
  • Vertical
  • Horizontal
  • Exterior
  • Interior

What are the unique features of MasterBrace P 3500?

  • Low viscosity
  • Easily penetrates pore structure of concrete
  • 100% solids epoxy
  • Low odor
  • Low VOC’s

What are the benefits of MasterBrace P 3500?

  • Suitable for low-temperature application
  • Can be applied if ambient temperature is 35° F and rising
  • Extends application window in cooler conditions

US / Canada Product Information

Data Guide

Data Guide (French)

Data Guide (Spanish)

Certification Letter

LEED Letter

Safety Data Sheet Part A

Safety Data Sheet Part B

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.

Product Certifications

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Related Literature

Certification Letter

pdf (92.97 Kb)

Data Guide

pdf (210.93 Kb)

Data Guide (French)

pdf (151.05 Kb)

Data Guide (Spanish)

pdf (135.72 Kb)

LEED Letter

pdf (97.58 Kb)