VELOSIT Concrete Repair Systems
VELOSIT® RM 224
Vertical & overhead smoothing compound for fine concrete repair and architectural finishing.
Cementitious smoothing compound • Vertical & overhead applications • Fine finish repair mortar • Fiber reinforced • Architectural concrete repair
Product Overview
VELOSIT RM 224 is a rapid-setting cementitious smoothing compound designed for concrete repair, surface refinishing, and visible architectural concrete applications. It creates an extremely fine surface texture and performs exceptionally well on vertical and overhead areas.
Typical Applications
Repair
Concrete Surface Repairs
Repair of defects on concrete, masonry, natural stone, and steel substrates.
Application
Vertical & Overhead Areas
Excellent performance on walls, ceilings, overhead repairs, and vertical surfaces.
Surface Prep
Blow Holes & Honeycombs
Filling and smoothing of blow holes, honeycombs, and surface irregularities.
Finishing
Concrete Repair Finishing
Used as a fine finish layer for professional concrete repair systems.
Architectural
Architectural Concrete
Especially suitable for visible concrete areas requiring refined aesthetics.
Thin Repair
Thin Applications
Applicable from feather edge up to 10 mm (3/8”).
Performance & Properties
| Category |
Details |
| Application Thickness |
Feather edge to 10 mm (3/8”) |
| Working Time |
Approx. 30 minutes |
| Compressive Strength After 4 Hours |
Approx. 15 MPa (2175 psi) |
| Final Compressive Strength |
More than 35 MPa (5075 psi) after 28 days |
| Foot Traffic |
Open after approx. 2–3 hours |
| Shrinkage / Expansion |
Minimal under dry and wet curing conditions |
| Color |
Medium gray close to concrete color |
Key Benefits
Workability
Excellent Overhead Workability
Designed for easy application on vertical and overhead repair areas.
Reinforced
Fiber Reinforced
Enhanced durability and crack resistance for demanding repair applications.
Bond Strength
Very Good Adhesion
Bonds strongly to properly prepared concrete and masonry substrates.
Protection
Tight Pore Structure
Improves resistance against CO₂ and chloride penetration.
Durability
Weather & Sulfate Resistance
Durable performance in exterior and chemically exposed environments.
Crack Control
Low Risk of Micro-Cracking
Minimal shrinkage and expansion under wet and dry curing conditions.
Documentation
VELOSIT RM 224 is ideal for vertical, overhead, and exposed concrete repair applications where a smooth finish, strong adhesion, and long-term durability are required.
