T-78 Methyl Methacrylate Concrete Crack Sealer

Transpo® T-78 MMA Concrete Crack Sealer is a specially formulated, low viscosity, fast setting, system that is highly effective for sealing and filling cracks and pores in concrete surfaces and structures.

Features and Advantages

  • Very Low Viscosity (<25 cPs)T 78 Diagram
  • Deep Crack Penetration
  • Fast Cure Time (45 minutes at 70° F)
  • Fills and Bonds Cracks
  • Easy Single Application
  • Low Volatility
  • Strengthens and Extends the Life of Concrete

The very low viscosity and surface tension of T-78 allows it to easily penetrate and fill deep cracks in existing concrete. It bonds well to the inner walls of cracks thereby restoring much of the original strength and reducing crack propagation. Its rapid curing time assures a quick return to service.


Application of T-78 is easy. It requires minimal labor and there’s no need for specialized equipment, which results in low installation costs. The use of T-78 on concrete structures reduces chloride permeability thus protecting it from further deterioration. T-78 methacrylate concrete sealer can be used for crack sealing and filling on numerous types of concrete structures:

  • Concrete Bridge Decks
  • Industrial Floors
  • Concrete Roads
  • Parking Garages
  • Aircraft Runways and Hangars
  • Precast Concrete Elements
  • Premature Cracking in New Concrete

Different formulations available to meet various state/project specifications and requirements.