Sikagard® WallCoat AL-12 Hygienic
ACRYLIC WATER BASED high impact resistant, wall coating system
Sikagard® WallCoat AL-12 Hygienic is an acrylic water based coloured resin and glass fibre reinforced wall coating system with excellent crack bridging properties and high impact resistance. Thickness ~400–450 μm. Internal use.
- Seamless, easy to clean finish
- Low emission of VOC
- Excellent resistance to repeated cleaning regimes using mild detergents and cleaning solutions
- Tough and highly durable
- Good impact resistance
- Crack brdging, improved resistance to cracking and flaking
- Solvent free
- Good opacity
- Odourless
- Easy to apply
System Structure
Usage
- Suitable for food and beverage production facilities, pharmaceutical and medical industries, hospitals, prisons, healthcare and leisure facilities.
- Concrete
- Brickwork
- Cement
- Gypsum
- Metal
- Wood
- Tiles
- Plastic
Advantages
- Seamless, easy to clean finish
- Low emission of VOC
- Excellent resistance to repeated cleaning regimes using mild detergents and cleaning solutions
- Tough and highly durable
- Good impact resistance
- Crack brdging, improved resistance to cracking and flaking
- Solvent free
- Good opacity
- Odourless
- Easy to apply
Packaging
Refer to the individual Product Data Sheets
Colour
Standard colour: white. Other colours on request
Appearance
Refer to related top coat Product Data Sheet
System Details
ENVIRONMENTAL INFORMATION
- Conformity with LEED v4 MRc 2 (Option 1): Building Product Disclosure and Optimization – Environmental Product Declarations - Sikagard®-403 W
- Conformity with LEED v4 MRc 4 (Option 2): Building Product Disclosure and Optimization - Material Ingredients - Sikagard®-403 W
- IBU Environmental Product Declaration (EPD) available - Sikagard®-403 W
- Class A+ according to French Regulation on VOC emissions - Sikagard®-405 W
APPROVALS / STANDARDS
- Biological Resistance ISO 22196, SikaGard®-405 W, IMSL, Report No. IMSL 2015/02/004.1A
- Biological Resistance ISO 22196, SikaGard®-406 W, IMSL, Report No. IMSL 2015/02/004.1A
- Crack-bridging test EN 1062-7, SikaGard®-403 W, kiwa, Report No. P 10108-E
- Triangle test EN 4120, SikaGard®-405 W, Campden BRI, Report No. S/REP/138532/1
- Triangle test EN 4120, SikaGard®-406 W, Campden BRI, Report No. S/REP/138532/2
- VOC emissions DEVL1101903D, SikaGard®-406W, TÜV, Report No. 21246824 001
- VOC emissions ISO 11890-2, SikaGard®-405 W, eurofins, Report No. 392-2015-00386901
- VOC emissions ISO 11890-2, SikaGard®-406 W, eurofins, Report No. 392-2015-00386902
System Structure
Sikagard® WallCoat AL-12 Hygienic
| Layer | Product |
| 1. Primer/ Base coat | Sika® Bonding Primer or Sikagard®-403 W + 5 % water by weight |
| 2. 1st intermediate coat | Sikagard®-403 W + Reemat Premium |
| 3. 2nd intermediate coat | Sikagard®-403 W + Reemat Lite |
| 4. Top coat | 1–2 × Sikagard®-405 W or 1–2 × Sikagard®-406 W |
Composition
Acriylic water based resin co-polymer dispersion
Nominal Thickness
~400–450 µm
Shelf Life
Refer to the individual Product Data Sheets
Storage Conditions
Refer to the individual Product Data Sheets
Crack Bridging Ability
| A3 (static) | (EN ISO 1062-7) |
Reaction to Fire
| C-s1, d0 | (EN 13501-1) |
Chemical Resistance
Chemically resistant to weak acids, alkalis, cleaning agents and disinfectants. Contact Sika Technical Service for additional information.
Disinfection with vaporised Hydrogen Peroxide
- Resistant when using STERIS® VHP Technology
- Resistant to PEA vaporisation technology up to max. 8 hours
| Disinfectant | Concentration | Setting at vaporiser | Contact time |
| NOCOLYSE® Mint (6 %) | 1 ml/m³ | 20 m³ (1.5min vaporisation) | 30 min |
| NOCOLYSE® ONE S hot (12 %) | 3 ml/m³ (2 cycles) | 45 m³ (5min vaporisation) | 30 min |
| NOCOLYSE® Food (7.9 %) | 1 ml/m³ | 20 m³ (1.5min vaporisation) | 30 min |
| NOCOLYSE® Food (7.9 %) | 5 ml/m³ | 75 m³ (5min vaporisation) | 60 min |
Microbiological Resistance
Refer to related top coat Product Data Sheet
Application
Product Temperature
+8 °C min. / +35 °C max.
Ambient Air Temperature
+8 °C min. / +35 °C max.
Relative Air Humidity
≤ 80 %
Dew Point
Minimumn 3 °C above dew point
Beware of condensation
Substrate Temperature
+8 °C min. / +35 °C max.
Substrate Moisture Content
visibly dry, no liquid or rinsing water
Waiting Time / Overcoating
Refer to Sikagard®-403 W Product Data Sheet
Consumption
| Coating System | Product | Consumption |
| 1. Primer | Sika® Bonding Primer Sikagard®-403 W + 5 % water | ~0.10 kg/m² ~0.20 kg/m² |
| 2. Intermediate | Sikagard®-403 W + Reemat Premium | ~0.80 kg/m² |
| 3. Intermediate | Sikagard®-403 W + Reemat Lite | ~0.40 kg/m² |
| 4. Top Coat | Sikagard®-405 W or Sikagard®-406 W | ~0.20 kg/m² |
CLEANING
The top coat of the system is tested in accordance to EN 11998:2006, wet scrub resistance. According to EN 13300 the product is classified in class 1. The surface can be cleaned with a wet sponge, using mild detergents, and rewashed with clean water.