Instant Set
Concrete Repair Mortar
Structural · High-Strength · Sculptable Concrete Repair
A fast-setting, high-performance mortar for concrete repair and new construction. Engineered for contractors and engineers who need structural strength fast. Initial set in 15 minutes, structural strength in 1 hour, trowelable from ½" to 6", interior or exterior, residential and commercial.
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Who Can't Afford Downtime
The Rhino Instant Set Concrete Repair Mortar gives contractors and engineers a structural, fast-setting solution that reaches working strength in 1 hour.
Every Concrete Repair
Interior or exterior, vertical or overhead, residential or commercial.
- Concrete slabs & floors
- Driveways & parking areas
- Sidewalks & walkways
- Patios & exterior flatwork
- Concrete steps & stair repairs
- Curbs & gutters
- Broken edges & corners
- Spalled surface restoration
- Structural concrete repair & patching
- Vertical & overhead repairs
- Column & beam repairs
- High early-strength applications
- Stucco repair & patching
- Masonry surface restoration
- Exterior wall repairs
- New stucco construction
- New concrete construction
- Fast-turnaround pour applications
- When high early strength is required
- Critical timeline construction projects
| Product Type | Hydraulic Cement, Polymer-Modified Repair Mortar |
| Initial Set Time | 15 Minutes |
| Structural Strength | 1 Hour |
| Application Thickness | ½ inch to 6 inches (1.3–15 cm) |
| Application Orientation | Vertical · Overhead · Horizontal |
| Use Location | Interior & Exterior |
| Freeze/Thaw Resistance | Excellent |
| Salt Resistance | Excellent |
| Metallic / Chlorides | Non-Metallic · No Chlorides |
| Shrinkage | Low-Shrink Formula |
| Modification | Polymer-Modified — Increased Adhesion & Flexural Strength |
| Mixing | Add Water · ½" Drill 300 RPM or Less · or Hand Mix |
| Bag Size | 50 lb (22.7 kg) |
| Certifications | ASTM C928 & C387 |
| Applications | Residential & Commercial |
Mix only the amount that can be applied within 15 minutes. Allow at least 1 cu. ft. (28 L) of mixer capacity per 50 lb bag. Avoid high-speed mechanical mixing. It is the responsibility of the installer to ensure suitability for intended use.
Most rapid-set repair mortars set quickly — that's the baseline, not the advantage. Here's where the Rhino Instant Set Concrete Repair Mortar pulls ahead of comparable instant-set products on thickness, versatility, and durability.
The Rhino Instant Set Concrete Repair Mortar is designed for fast field application. Mix only what you can use in 15 minutes — structural strength follows in 1 hour.
Prepare the Surface
All surfaces must be structurally sound and clean. Remove all dust, acid, waxes, sealers, old adhesive residue, curing compounds, oil, paint, or any other foreign materials that could inhibit bond.
Condition Materials
Condition all materials to 65°F–75°F (18°C–24°C) for 24 hours prior to installation. Temperature affects set time — work within the recommended range for predictable results.
Remove Rust
Any rust on exposed reinforcing rods must be removed by mechanical methods — wire brushing, sandblasting, or scraping — before mortar application to prevent future corrosion and bond failure.
Dampen the Area
Prior to placement, dampen the repair area with clean water to a saturated-surface-dry (SSD) condition. Do not leave standing water — the surface should be damp but not wet.
Mix the Mortar
Add water and mix using a ½" heavy-duty drill at 300 RPM or less with a paddle mixer, or a mortar mixer. Avoid high-speed mechanical mixing — it can entrap air. Allow at least 1 cu. ft. (28 L) mixer capacity per 50 lb bag.
Apply Immediately
Mix only the amount that can be applied within 15 minutes. Organize mixing and application as close to the work area as possible to maximize working time with this accelerated-setting material.
Trowel to Finish
Apply from ½ inch to 6 inches in thickness — vertical, overhead, or horizontal. Trowel to the desired profile and finish. The material is sculptable and holds its shape without slumping.
Allow to Cure
Initial set occurs in 15 minutes. Structural strength is reached in 1 hour. The repair is durable, low-shrink, and ready for traffic and loading once full strength is achieved.
Everything you need to know about the Rhino Carbon Fiber Instant Set Concrete Repair Mortar. Can't find an answer? Contact our technical team directly.
Stop Patching.
Start Repairing.
Contact us for volume pricing, download the full Technical Sheet, or connect with a Rhino Carbon Fiber sales member to discuss your next concrete repair project.
Instant Set
Concrete Repair Mortar
Structural · High-Strength · Sculptable Concrete Repair
A fast-setting, high-performance mortar for concrete repair and new construction. Engineered for contractors and engineers who need structural strength fast — initial set in 15 minutes, structural strength in 1 hour — trowelable from ½" to 6", interior or exterior, residential and commercial.
Who Can't Afford Downtime
The Rhino Instant Set Concrete Repair Mortar gives contractors and engineers a structural, fast-setting solution that reaches working strength in 1 hour.
Every Concrete Repair
Interior or exterior, vertical or overhead, residential or commercial.
- Concrete slabs & floors
- Driveways & parking areas
- Sidewalks & walkways
- Patios & exterior flatwork
- Concrete steps & stair repairs
- Curbs & gutters
- Broken edges & corners
- Spalled surface restoration
- Structural concrete repair & patching
- Vertical & overhead repairs
- Column & beam repairs
- High early-strength applications
- Stucco repair & patching
- Masonry surface restoration
- Exterior wall repairs
- New stucco construction
- New concrete construction
- Fast-turnaround pour applications
- When high early strength is required
- Critical timeline construction projects
| Product Type | Hydraulic Cement, Polymer-Modified Repair Mortar |
| Initial Set Time | 15 Minutes |
| Structural Strength | 1 Hour |
| Application Thickness | ½ inch to 6 inches (1.3–15 cm) |
| Application Orientation | Vertical · Overhead · Horizontal |
| Use Location | Interior & Exterior |
| Freeze/Thaw Resistance | Excellent |
| Salt Resistance | Excellent |
| Metallic / Chlorides | Non-Metallic · No Chlorides |
| Shrinkage | Low-Shrink Formula |
| Modification | Polymer-Modified — Increased Adhesion & Flexural Strength |
| Mixing | Add Water · ½" Drill 300 RPM or Less · or Hand Mix |
| Bag Size | 50 lb (22.7 kg) |
| Certifications | ASTM C928 & C387 |
| Applications | Residential & Commercial |
Mix only the amount that can be applied within 15 minutes. Allow at least 1 cu. ft. (28 L) of mixer capacity per 50 lb bag. Avoid high-speed mechanical mixing. It is the responsibility of the installer to ensure suitability for intended use.
Most rapid-set repair mortars set quickly — that's the baseline, not the advantage. Here's where the Rhino Instant Set Concrete Repair Mortar pulls ahead of comparable instant-set products on thickness, versatility, and durability.
The Rhino Instant Set Concrete Repair Mortar is designed for fast field application. Mix only what you can use in 15 minutes — structural strength follows in 1 hour.
Prepare the Surface
All surfaces must be structurally sound and clean. Remove all dust, acid, waxes, sealers, old adhesive residue, curing compounds, oil, paint, or any other foreign materials that could inhibit bond.
Condition Materials
Condition all materials to 65°F–75°F (18°C–24°C) for 24 hours prior to installation. Temperature affects set time — work within the recommended range for predictable results.
Remove Rust
Any rust on exposed reinforcing rods must be removed by mechanical methods — wire brushing, sandblasting, or scraping — before mortar application to prevent future corrosion and bond failure.
Dampen the Area
Prior to placement, dampen the repair area with clean water to a saturated-surface-dry (SSD) condition. Do not leave standing water — the surface should be damp but not wet.
Mix the Mortar
Add water and mix using a ½" heavy-duty drill at 300 RPM or less with a paddle mixer, or a mortar mixer. Avoid high-speed mechanical mixing — it can entrap air. Allow at least 1 cu. ft. (28 L) mixer capacity per 50 lb bag.
Apply Immediately
Mix only the amount that can be applied within 15 minutes. Organize mixing and application as close to the work area as possible to maximize working time with this accelerated-setting material.
Trowel to Finish
Apply from ½ inch to 6 inches in thickness — vertical, overhead, or horizontal. Trowel to the desired profile and finish. The material is sculptable and holds its shape without slumping.
Allow to Cure
Initial set occurs in 15 minutes. Structural strength is reached in 1 hour. The repair is durable, low-shrink, and ready for traffic and loading once full strength is achieved.
Everything you need to know about the Rhino Carbon Fiber Instant Set Concrete Repair Mortar. Can't find an answer? Contact our technical team directly.
Stop Patching.
Start Repairing.
Contact us for volume pricing, download the full Technical Sheet, or connect with a Rhino Carbon Fiber sales member to discuss your next concrete repair project.