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Starpatch Supa-Fine
| Quantity | Price per item | Discount |
| 56 items | C$41.99 | 7% off |
Starpatch Supa-Fine – High-Strength Concrete Repair & Topping Compound
Smooth Finish. Strong Bond. Versatile Application.
Starpatch Supa-Fine is a premium-grade, single-component concrete repair and topping mortar designed for horizontal, vertical, and overhead applications. With a smooth texture and high compressive strength, Supa-Fine is ideal for both renovation and new construction projects. Its polymer-modified formula ensures superior adhesion and long-lasting durability across a wide range of surfaces.
Key Features:
- Multi-Surface Use: Perfect for horizontal, vertical, and overhead repairs.
- Interior & Exterior Ready: Durable in both indoor and outdoor environments.
- High Strength: Achieves up to 34 MPa (4930 PSI) compressive strength at 28 days.
- Feather-Edge to 5/8” Thickness: Flexible application depth for fine patching.
- Easy to Mix & Apply: Just add water and mix for a smooth, sag-resistant mortar.
- Excellent Bonding: Enhanced with polymer modification for lasting adhesion.
- Safe & Clean: Contains no gypsum, chlorides, ferrous metals, or corrosive agents.
Recommended Uses:
- Industrial floor overlays and warehouse repairs
- Freeze-damaged or rained-out slabs
- Underlayment for epoxy/urethane coatings and finished flooring
- Repairing wood and cement-board underlayments
- Filling cracks, holes, and spalled areas
Technical Specs:
- Coverage: Up to 45 sq. ft. at 1/8” thickness
- Bucket Life: Approx. 1 hour
- Curing Time: 1–4 hours depending on conditions
- Packaging: 20 kg / 44 lb bag
- Colour: Concrete grey
Application Tips: Use Starpatch 900X bonding agent for optimal adhesion. Mix with a low-speed drill and whip paddle for 2–3 minutes until smooth. Apply with a steel trowel, wood float, or sponge float. For layers over 5/8”, apply in multiple lifts.


