Sikafloor® Pronto RB-55
Crack-bridging, fast-curing acrylic resin flooring system
Sikafloor® Pronto RB-55 is a slip-resistant, fast-curing, crack-bridging, coloured flooring system based on reactive acrylic resins.
- High abrasion resistance
- Good crack-bridging ability
- Good mechanical resistance
- Good resistance to specific chemicals
- Very fast curing, even at low temperatures
System Structure
Usage
Sikafloor® Pronto RB-55 is used in the following commercial and public buildings and areas:- Car park decks
- Food and beverage facilities
- The System may only be used by experienced professionals.
Advantages
- High abrasion resistance
- Good crack-bridging ability
- Good mechanical resistance
- Good resistance to specific chemicals
- Very fast curing, even at low temperatures
Colour
Sikafloor® Pronto RB-55 | |
Cured system colour | Sika® Pronto Pigment: approx. RAL 7032 other colours upon request |
Appearance
Sikafloor® Pronto RB-55 | |
Cured system appearance | Slip-resistant semi-gloss finish |
System Details
APPROVALS / STANDARDS
Reaction to fire EN 13501-1, Sikafloor® Pronto RB-55, GHENT, Test report No. CR 23-0861-01
Slip resistance DIN 51130, Sikafloor® Pronto RB-25 / 55, Roxeler, Test report No. 020224-20-6
System Structure
Sikafloor® Pronto RB-55
APPLICATION ON HORIZONTAL SURFACE
Total thickness: 5 mm to 7 mm
| Layer | Product | |
| 1. | Primer | Sikafloor®-10 Pronto N Sikafloor®-11 Pronto Sikafloor®-13 Pronto |
| 2. | Waterproofing membrane | Sikafloor®-15 Pronto N Reinforced with Sika® Reemat Premium Embedded in Sikafloor®-15 Pronto N |
| 3. | Wearing layer | Sikafloor®-15 Pronto N (filled 1:2 with Sikafloor® Pronto Filler) Broadcast with Quartz sand or coloured quartz sand (0.7–1.2 mm) |
| 4. | Top coat | Sikafloor®-18 Pronto |
Sikafloor® Pronto RB-55
APPLICATION ON INCLINED SURFACE
Total thickness: 5 mm to 7 mm
| Layer | Product | |
| 1. | Primer | Sikafloor®-10 Pronto N Sikafloor®-11 Pronto Sikafloor®-13 Pronto |
| 2. | Waterproofing membrane | Sikafloor®-15 Pronto N Reinforced with Sika® Reemat Premium Embedded in Sikafloor®-15 Pronto N |
| 3. | Base layer | Sikafloor®-15 Pronto N (filled 1:2 with Sikafloor® Pronto Filler) Broadcast with Quartz sand or coloured quartz sand (0.7–1.2 mm) |
| 4. | Wearing layer | Sikafloor®-15 Pronto N (filled 1:2 with Sikafloor® Pronto Filler) Broadcast with Quartz sand or coloured quartz sand (0.7–1.2 mm) |
| 5. | Top coat | Sikafloor®-18 Pronto |
Composition
Reactive acrylic resins
Nominal thickness
5 mm to 7 mm
Reaction to Fire
Class Cfl-s1 | (EN 13501-1) |
Chemical Resistance
Laboratory-defined resistance to many individual chemicals. Before proceeding, contact Sika Technical Service for specific information.
Skid / Slip Resistance
R 12; V 6 | (DIN 51130) |
Sliding friction coefficient | 0.52 |
Application
Ambient Air Temperature
Sikafloor® Pronto RB-55 | |
Maximum | +30 °C |
Minimum | +5 °C |
Relative Air Humidity
Sikafloor® Pronto RB-55 | |
Maximum | 80 % r.h. |
Dew Point
Refer to the individual Product Data Sheet.
Substrate Temperature
Sikafloor® Pronto RB-55 | |
Maximum | +30 °C |
Minimum | +5 °C |
Substrate Moisture Content
Refer to the individual Product Data Sheet.
Waiting Time / Overcoating
Before applying Sikafloor®-15 Pronto N on the primer allow:
| Temperature | Waiting time |
| +5 °C | 50–60 min |
| +10 °C | 45–55 min |
| +20 °C | 35–45 min |
| +30 °C | 30–40 min |
Before applying Sikafloor®-18 Pronto on Sikafloor®-15 Pronto N allow:
| Temperature | Waiting time |
| +5 °C | 80 min |
| +10 °C | 60 min |
| +20 °C | 45 min |
| +30 °C | 30 min |
Applied Product Ready for Use
Temperature | Foot traffic | Full traffic |
+5 °C | ~50 min | ~2 hours |
+10 °C | ~50 min | ~2 hours |
+20 °C | ~40 min | ~1 hour |
+30 °C | ~30 min | ~1 hour |
Note: Times apply when the last layer of the system has been applied. Times are affected by changing ambient conditions, particularly temperature and relative humidity.
Consumption
APPLICATION ON HORIZONTAL SURFACE
Total thickness: 5 mm to 7 mm
Layer | Product | Consumption |
Primer | Sikafloor®-10 Pronto N Sikafloor®-11 Pronto Sikafloor®-13 Pronto | 1-2 × 0.3–0.5 kg/m² |
Waterproofing membrane | Sikafloor®-15 Pronto N Reinforced with Sika® Reemat Premium Embedded in Sikafloor®-15 Pronto N | ~0.8 kg/m² 1 m2/m2 + overlaps ~0.8 kg/m² |
Wearing layer | Sikafloor®-15 Pronto N (filled 1:2 with Sikafloor® Pronto Filler) Broadcast with Quartz sand or coloured quartz sand (0.7–1.2 mm) | ~3.6 kg/m² ~4–6 kg/m² |
Top coat | Sikafloor®-18 Pronto | ~0.5–0.8 kg/m² applied in 1–2 coats (total max. 0.8 kg/m²) |
APPLICATION ON INCLINED SURFACE
Total thickness: 5 mm to 7 mm
Layer | Product | Consumption |
Primer | Sikafloor®-10 Pronto N Sikafloor®-11 Pronto Sikafloor®-13 Pronto | 1-2 × 0.3–0.5 kg/m² |
Waterproofing membrane | Sikafloor®-15 Pronto N Reinforced with Sika® Reemat Premium Embedded in Sikafloor®-15 Pronto N | ~0.8 kg/m² 1 m2/m2 + overlaps ~0.8 kg/m² |
Base layer | Sikafloor®-15 Pronto N (filled 1:2 with Sikafloor® Pronto Filler) Broadcast with Quartz sand or coloured quartz sand (0.7–1.2 mm) | ~1.3 kg/m² ~1–2 kg/m² |
Wearing layer | Sikafloor®-15 Pronto N (filled 1:2 with Sikafloor® Pronto Filler) Broadcast with Quartz sand or coloured quartz sand (0.7–1.2 mm) | ~1.3 kg/m² ~3–4 kg/m² |
Top coat | Sikafloor®-18 Pronto | ~0.5–0.8 kg/m² applied in 1–2 coats (total max. 0.8 kg/m²) |