GoMix R3 Coarse Putty
High Bonding Strength Coarse Putty | Wall Leveling Solution
Single-component cement-based mortar, crack-resistant and weather-durable, suitable for interior and exterior wall leveling before painting or tile installation
Professional Cementitious Wall Putty
R3 Coarse Putty is a single-component cementitious mortar formulated with special high resistance binders, selected fine graded aggregate, and synthetic powder polymers. Designed for wall smoothing and surface preparation before painting or tile installation on concrete and cement-based substrates.
Single Component
Just add water and mix
High Performance
Superior bonding & durability
Versatile Use
Interior & exterior applications
Features & Benefits
Crackless Application
Advanced polymer formula prevents cracking during application and curing, avoiding future wall crack maintenance costs.
Easy Mixing
Simply mix with potable water - no additional additives required, convenient operation, saving construction time.
High Bonding Strength
Bonding strength >2 N/mm² (28 days), firmly bonds with concrete/cement substrates, resistant to detachment.
Weather Resistant
Excellent resistance to weathering and aging for long-term durability, suitable for indoor and outdoor complex environments.
Multiple Surfaces
Suitable for concrete walls, cement plaster layers, cement lime mortar substrates, compatible with pre-painting/pre-tiling leveling.
Application Areas
Versatile coarse putty suitable for various construction and renovation projects
Wall Smoothing Before Painting
Interior and exterior concrete wall leveling and finishing, providing ideal substrate for painting
Surface Repair & Leveling
Flatness repair for cement plaster layers and cement lime mortar substrates
Tile Installation Prep
Wall smoothing treatment before tile installation, ensuring secure tile adhesion
R3 Coarse Putty Technical Specifications
Professional-grade technical data for informed purchasing decisions
| Parameter | Specification |
|---|---|
| Form | Grey or white powder |
| Base | Portland cement |
| Bulk Density | 1.2 g/cm³ |
| Mixture Rate | 300-320g Water/1000g Powder (30%-32%) |
| Max Thickness per Coat | 2 mm |
| Setting Time (23°C, 50%RH) | Beginning > 3 hrs, Ending < 6 hrs |
| Bonding Strength (28 Days) | > 2 N/mm² |
| Compressive Strength (28 Days) | > 14 N/mm² |
| Application Temperature | +5°C - +35°C |
| Shelf Life | 12 months (unopened, cool dry storage) |
Application & Mixing Instructions
Follow these professional guidelines for optimal results and performance
1 Mixing Method
- Water ratio: 7.5L water per 25kg powder
- Use low speed mechanical stirrer
- Let stand for 10 minutes after mixing
2 Application Steps
- Single coat thickness ≤2mm
- Apply with flat metal trowel
- Pre-wet porous substrates
Coverage Rate
1.0-1.2 kg/m² per mm thickness on smooth surfaces
Tool Cleaning
Clean tools with water immediately after use. Mechanical cleaning required after hardening.
Packaging & Shelf Life
Packaging
20kg craft sacks
Storage
Cool, dry place
Shelf Life
12 months
Important Precautions
Please follow these guidelines to ensure optimal performance and avoid application issues
Do Not Use When:
- Thickness >6mm or single coat >2mm
- Temperature <5°C or >35°C
- Gypsum/anhydrite surfaces
- Painted/plastic coated surfaces
- Dirty/loose substrates
Do Not Add:
- Cement
- Lime
- Gypsum
- Aggregates
Special Recommendations:
For hydraulic structures/wear surfaces use R4 Flex Putty; Prime gypsum-based plasters first
Request for R3 Coarse Putty Quotation
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