Stopgap 1100 Gypsum Levelling Compound 22 Kg

Stopgap 1100 – Calcium Sulphate Smoothing Compound

Stopgap 1100 is a premium self-levelling smoothing compound specially formulated for use over calcium sulphate (anhydrite) screeds, providing a smooth, level surface ready for floorcoverings. Designed for both commercial and healthcare environments, it delivers excellent flow, fast walk-on times, and reliable performance.

Key Features & Benefits:

• Supplied as a pre-blended, dry powder; mix with water for easy use

• Apply at 2-10 mm in a single layer; can be filled to 50 mm where needed

• Low odour, low pH and protein-free—safe for sensitive areas like hospitals

• Compatible with a wide range of subfloors: calcium sulphate screeds, concrete, sand/cement screeds, membranes, tiles, and resins

• Walk-on after ≈ 2 hours; ready for floorcoverings after 24 hours at standard thickness

Coverage Estimates:

• ~ 5.0 m² per unit at 2-3 mm thickness

• ~ 2.8 m² at 5 mm

• ~ 1.4 m² at 10 mm

• ~ 0.3 m² at 50 mm