Gyproc Hard Coat

Undercoat plaster for quick application

Gyproc Hard Coat is a gypsum undercoat plaster that is up to 30% faster to apply than sand and cement.

Key Features

Gyproc Hard Coat can be used on most masonry backgrounds with a final coat of Gyproc finishing plaster for a smooth, inert, high-quality surface to internal walls. It offers excellent impact resistance, air tightness, quick surface drying and a high resistance to efflorescence. Gyproc Hard Coat is a high quality, easier to use alternative to sand and cement, and is suitable for use on most internal masonry backgrounds.

  • Superior impact resistance
  • Pre-mixed for guaranteed quality, easy handling and less mess
  • Lightweight for rapid application
  • Same day skim finishing
  • Enhances sound insulation
  • Compatible with all Gyproc finishing plasters
  • Improves airtightness and energy efficiency
  • High resistance to efflorescence migration 



Further Information & Resources

Gyproc Hard Coat Product Data Sheet
303.89 KB
Gyproc Hard Coat Brochure
431.33 KB
Gyproc Plaster Selector Guide
1.09 MB
Gyproc Hard Coat Declaration of Performance
253.68 KB
Gyproc Hard Coat Material Safety Data Sheet
133.17 KB