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
346.3 KB
Gyproc Hard Coat Brochure
431.33 KB
Gyproc Plaster Selector Guide
261.4 KB
Gyproc Plaster Systems
1.18 MB