MasterKure HD 300WB: Concrete hardener and dust proofer

Formerly: Lapidolith


How does MasterKure HD 300WB work?

MasterKure HD 300WB is a magnesium-fluorosilicate concrete hardener and dust proofer that bonds chemically with the concrete to strengthen and harden floors that are porous, readily absorptive, and only moderately hard.

Recommended uses:

  • Interior and exterior
  • Warehouses
  • Aircraft hangars
  • Commercial garages
  • Chemical installations
  • Hospitals
  • Breweries
  • Schools
  • Dairies
  • Bakeries
  • Canneries
  • Laundries
  • Textile mills
  • Industrial plants
  • Computer rooms under false floors

What are the unique features of MasterKure HD 300WB?

  • Concrete hardener
  • 100% reactive with the free lime in concrete
  • Tightly binds together the cement, sand, and aggregate particles
  • Non-film forming
  • Compatible with most resilient tile adhesives

What are the benefits of MasterKure HD 300WB?

  • Strengthens floors that are porous, readily absorptive, and only moderately hard; ideal for aged concrete surfaces
  • Produces a breathable, dense, abrasion-resistant surface
  • Improves resistance to most acids, alkalis, organic and inorganic chemicals, oils, greases
  • Reduces cleaning and maintenance costs for floors
  • Suitable for substrates to be covered by carpeting

US / Canada Product Information

Data Guide

Data Guide (French)

Data Guide (Spanish)

MasterKure HD 300 WB Tech Bulletin

Certification Letter

LEED Letter

LEED v4 Letter

Safety Data Sheets