Stopgap 850 Exterior

STOPGAP 850 EXTERIOR – Rapid Setting Exterior Levelling Compound for Internal & External Use

STOPGAP 850 EXTERIOR is a high-performance, rapid-setting smoothing and levelling compound specifically formulated for use in both internal and external environments. Designed to withstand varying weather conditions, this robust compound is ideal for preparing subfloors in areas such as balconies, walkways, garages, and other exposed surfaces.

Its advanced formulation delivers excellent adhesion, water resistance, and durability, ensuring long-lasting performance even in demanding conditions. STOPGAP 850 EXTERIOR is suitable for application over a wide range of substrates including concrete, sand/cement screeds, and well-prepared existing surfaces. It provides a smooth, even base ready to receive suitable exterior floor finishes or coatings.

Key Benefits:

• Interior & Exterior Use – Designed to perform in exposed environments
• Rapid Setting – Fast curing for reduced downtime and quicker project completion
• Water-Resistant Formula – Suitable for damp and weather-prone areas
• High Strength & Durability – Withstands heavy use and environmental stress
• Excellent Adhesion – Bonds securely to a variety of substrates
• Smooth, Level Finish – Creates a reliable base for floor coverings
• Versatile Application – Ideal for balconies, terraces, walkways, and more

Application Coverage:

• Coverage: Approximately 4.5–5 m² at 3 mm thickness per 20kg bag
• Application Thickness: 2 mm to 10 mm (in a single application)
• Suitable Substrates:
  • Concrete
  • Sand/cement screeds
  • Well-prepared existing surfaces
• Suitable Areas:
  • External walkways & balconies
  • Garages & utility areas
  • Internal wet or high-moisture environments