Achieve precise and long-lasting floor repairs with STOPGAP® 400 REPAIR – Flooring Tools Direct. This fast-setting, rapid-drying compound is designed for internal floors, stairs, steps, and general repairs to cracks and holes, delivering a smooth and stable finish ready for STOPGAP® smoothing underlayments. Suitable for light to heavy-duty applications, it ensures exceptional durability and performance across a wide range of subfloors.

Formulated as a pre-blended dry powder, STOPGAP® 400 REPAIR can be applied in thicknesses from 2mm to 50mm, offering versatility for both small patch repairs and large restoration projects. Its protein-free composition makes it safe for biologically sensitive areas such as hospitals, laboratories, and cleanrooms. With excellent adhesion properties, it is compatible with subfloors including sand/cement screed, concrete, sound asphalt, granolithic, terrazzo, epoxy and polyurethane resins, ceramic and quarry tiles, and STOPGAP® waterproof surface membranes.

With a 12-month shelf life and reliable performance, STOPGAP® 400 REPAIR is the trusted choice for professional flooring contractors who demand speed, strength, and stability.

Features:

• Type: Fast-setting, rapid-drying floor repair compound.
• Application: Internal floors, stairs, steps, cracks, and hole repairs.
• Performance: Suitable for light to heavy-duty use.
• Protein-free: Safe for sensitive environments.
• Thickness range: 2mm to 50mm.
• Compatibility: Bonds to a wide variety of subfloors.
• Shelf life: 12 months.
• Manufacturer: F. Ball and Co. Limited
• Weight: 10.00 kg.
• Hazardous material: No.

Upgrade your repair projects with STOPGAP® 400 REPAIR – the high-performance solution that delivers strength, speed, and professional results.

How to mix and apply Stopgap 400

Rapid Repair Compound for Floors