Sikagard® WallCoat AL-11 Hygienic
Water-based, low-VOC, reinforced acrylic resin wall coating
Sikagard® WallCoat AL-11 Hygienic is a water-based, crack-bridging, modified acrylic resin wall coating system. It contains an in-film preservative to protect the coating from attack and degradation by bacteria, fungi, mould, yeast and algae.
- Seamless
- Easy to clean
- Very low VOC emissions
- Good resistance to repeated cleaning and disinfection regimes using mild detergents and cleaning solutions
- Very good resistance to degradation of the film caused by bacteria, fungi, mould, yeast and algae
- Tough
- High durability
- Good water vapour permeability
- Good crack-bridging ability
- Good opacity (covering power)
- Low odour
- Easy to apply
System Structure
Usage
Sikagard® WallCoat AL-11 Hygienic is used for:- Pharmaceutical facilities
- Food and beverage facilities
- Healthcare facilities and hospitals
- Leisure and culture facilities such as museums and stadiums
- Prisons
- Bricks
- Concrete
- Gypsum and cement-based substrates
- Metal
- Plastic
- Tiles
- Timber
Advantages
- Seamless
- Easy to clean
- Very low VOC emissions
- Good resistance to repeated cleaning and disinfection regimes using mild detergents and cleaning solutions
- Very good resistance to degradation of the film caused by bacteria, fungi, mould, yeast and algae
- Tough
- High durability
- Good water vapour permeability
- Good crack-bridging ability
- Good opacity (covering power)
- Low odour
- Easy to apply
Colour
Standard colour: white, other colours on request
Appearance
Depends on the top coat, Sikagard®-405 W (mid sheen), Sikagard®-406 W (matt) or Sikagard®-407 W (gloss).
System Details
APPROVALS / STANDARDS
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Fire classification report EN 13501-1, Hoch, No. KB-Hoch-160714-2
System Structure
Sikagard® WallCoat AL-11 Hygienic
| Layer | Product | |
| 1. | Primer | Sikagard®-403 W + 5 % water |
| 2. | Intermediate layer | Sikagard®-403 W + Sika® Reemat Lite |
| 3. | Top coat | Sikagard®-405 W (mid sheen) Sikagard®-406 W (matt) Sikagard®-407 W (gloss) |
Composition
Acrylic copolymer dispersion, water-based
Nominal thickness
250 µm to 300 µm
Crack Bridging Ability
Static | Class A2 (up to 0.45 mm) |
Reaction to Fire
| Class C-s1, d0 | (EN 13501-1) |
Chemical Resistance
Good short-term resistance to mild acids, alkalis, cleaning agents and disinfectants. Please contact Sika Technical Services for specific information.
Disinfection with hydrogen peroxide vapour:
Resistant when using STERIS VHP technology.
Resistant to PEA vaporisation technology if a system structure with glass fibre reinforcement is used.
Resistant when using Oxypharm vaporiser type NOCOSPRAY under the following conditions:
Disinfectant | Concentration | Setting at vaporiser | Contact time |
NOCOLYSE Mint (6 %) | 1 ml/m3 | 20 m3 (1.5 min vaporisation) | 30 min |
NOCOLYSE One Shot (12 %) | 3 ml/m3 (2 cycles) | 45 m3 (5 min vaporisation) | 30 min |
NOCOLYSE Food (7.9 %) | 1 ml/m3 | 20 m3 (1.5 min vaporisation) | 30 min |
NOCOLYSE Food (7.9 %) | 5 ml/m3 (2 cycles) | 75 m3 (5 min vaporisation) | 60 min |
Application
Ambient Air Temperature
Maximum | +35 °C |
Minimum | +8 °C |
Relative Air Humidity
Maximum | 80 % r.h. |
Dew Point
Beware of condensation. Substrate temperature during application must be at least +3 °C above dew point.
Substrate Temperature
Maximum | +35 °C |
Minimum | +8 °C |
Substrate Moisture Content
Refer to the individual Product Data Sheet.
Waiting Time / Overcoating
Before applying subsequent layers, allow:
Temperature | Minimum | Maximum |
+10 °C | 4 hours | 7 days |
+20 °C | 2 hours | 7 days |
+30 °C | 1 hour | 7 days |
Note: Times are approximate and will be affected by changing ambient conditions, particularly temperature and relative humidity.
Applied Product Ready for Use
Minimum 72 hours at +20 °C
Note: Times are approximate and will be affected by changing ambient conditions, particularly temperature and relative humidity.
Consumption
Layer | Product | Consumption |
Primer | Sikagard®-403 W + 5 % water | 1 × 0.2 kg/m² |
Intermediate layer | Sikagard®-403 W + Sika® Reemat Standard | 1 × 0.3 kg/m² |
Top coat | Sikagard®-405 W (mid sheen) Sikagard®-406 W (matt) Sikagard®-407 W (gloss) | 0.15 kg/m² per coat |
Note: Consumption data is theoretical and does not allow for any additional material due to surface porosity, surface profile, variations in level, wastage or any other variations. Apply the Product to a test area to calculate the exact consumption for the specific substrate conditions and proposed application equipment.
CLEANING
The top coat of the System is tested in accordance with EN 11998:2006, wet-scrub resistance.
According to EN 13300:2002 the System is classified as being class 1. Clean the System in the following way:
- Clean the surface of the System using a wet sponge and mild detergent to remove the contamination.
- Wash the surface thoroughly with clean water.