Sikagard®-545 W Elastofill - Crack-Bridging Protective Coating
Verified by manufacturer 1 day ago
Acrylic crack-bridging intermediate protective coating for concrete.
Application
- Crack-bridging intermediate coat beneath Sikagard®- 550 W Elastic top coat.
- Filling pores, cavities and blowholes.
- Levelling/ re-profiling layer.
Suitable for:
- Protection against ingress (Principle 1, method 1.3 of EN 1504-9);
- Moisture control (Principle 2, method 2.3 of EN 1504-9);
- Increasing the resistivity (Principle 8, method 8.3 of EN 1504-9).
Description
Sikagard®-545 W Elastofill is a one-part, acrylic, water-based, crack-bridging intermediate surface protection coating for concrete.
It fills surface pores, cavities and blowholes, or provides a smooth or textured levelling layer for subsequent protection coating topcoats.
Sikagard-545W Elastofill is part of the Sikagard crack-bridging, anti-carbonation, surface protection coating system for concrete and complies with the requirements of EN 1504-2.
Features and benefits:
- Water dilutable.
- Easy to apply compared to cementitious levelling coats.
- Smooth filling of pores, small cavities and blowholes.
- Good diffusion resistance against CO₂ reducing the rate of carbonation.
- Good water vapour permeability.
- Crack-bridging at low temperatures (-20°C).
- Retains board mark texture/ formwork patterns on finished surface.
- Resistant to freeze/thaw and de-icing salts.
Approvals/ standards:
- CE Marking and Declaration of Performance to EN 1504-2 - Surface protection product for concrete - Coating.
- Surface protection system OS-DII ZTV-SIB 90, Sika MonoTop®-620, Sikagard®-545 W Elastofill / -550 W Elastic, Institut für Bauforschung Germany, Test report No. A 2714/D2/V12.
General information
Color | Grey |
Material | Acrylic Water-based |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | C42/340 Crack/ void sealing grouts |
Specification data - Liquid emulsion crack sealant
Classification data | |
Standards | To EN 1504-2. |
Certification | CE Marking and Declaration of Performance to EN 1504-2 - Surface protection product for concrete - Coating. Surface protection system OS-DII ZTV-SIB 90, Sika MonoTop®-620, Sikagard®-545 W Elastofill / -550 W Elastic, Institut für Bauforschung Germany, Test report No. A 2714/D2/V12. |
Layer thickness | Guidance for specification option: Insert requirements; dependent on technical requirements, substrate condition or application. |
Appearance | Light grey thixotropic paste. |
Composition | Water-based acrylate. |
Density | ~1.24 kg/L (at +20°C). |
Elongation at break | ~63% at room temperature; ~32% at –20°C. |
Tensile Adhesion | To EN 1542, 1.0 N/mm². |
Crack bridging | To EN 1062-7, Class A3 (-20°C). |
Freeze thaw cycle | To EN 13687-1 and EN 13687-2, 0.8 (0.7) N/mm². |
Water vapour diffusion resistance | To EN ISO 7783-1 and EN ISO 7783-2: Dry film thickness: d = 600 µm. Diffusion coefficient H₂O: µH₂O = 1.1 x 10³. Equivalent air layer thickness: SD, H₂O = 0.65 m; Requirements for breathability: SD, H₂O ≤5 m. |
Capillary absorption | To to EN 1062-3, w = 0.02 kg/(m²√h). |
Carbonation resistance | To EN 1062-3: Dry film thickness: d = 690 µm; Diffusion coefficient CO₂: µCO₂ = 1.2 x 10^5; Equivalent air layer thickness: SD, CO₂ = 83 m; Requirements for breathability: SD, CO₂ ≥50 m. |
Technical characteristics, other | Behaviour after artificial weathering to EN 1062-11: Pass after 2000 hours. |
Sustainability data
Material | Acrylic Water-based |
Literature
Sikagard®-545 W Elastofill - Product Data Sheet
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