ACTFLEX 988 CWP is a high-performance Class II two-part flexible cementitious acrylic polymer waterproofing membrane designed for internal and external wet areas, below-ground waterproofing, water-retaining structures and façade protection. Hydrostatic pressure resistant and compliant with AS4858-2004 and AS4654.1:2012.
| Membrane Classification |
Class II (AS4654.1 / AS4858) |
| Chemical Base |
Cementitious polymer composite |
| Colour |
Khaki Green |
| Solid Contents |
65% ± 2% |
| Density |
~1.65 g/cm³ mixed |
| Elongation at Break |
217% ± 5% |
| Tear Propagation Resistance |
High (Shore A 50A) |
| Compressive Strength |
10 MPa (typical cementitious performance) |
| Hydrostatic Pressure Resistance |
up to 350 kPa (3.5 bar) |
| Chemical Resistance |
Excellent resistance to efflorescence, mild acids, and alkalis |
| Cure Mechanism |
Hydraulic cementitious reaction and acrylic coalescence |
| Tack Free Time |
6 hours @ 25°C, 50% RH |
| Recoat Time |
4–6 hours @ 25°C, 50% RH |
| Full Cure |
48 hours (1.2 mm DFT), 7–10 days for water immersion |
| Waterproof Time |
48 hours @ 25°C, 50% RH (non-submerged) |
| Pot Life |
Approx. 2 hours @ 23°C, 50% RH |
| Application Temperature |
10°C–26°C |
| Recommended Thickness |
1.2 mm (wet areas, PVC), 1.5 mm (underground / submersion) |
| Coverage |
20 kg kit ≈ 8–10 m² @ 1.2 mm DFT (two coats) |
| Shelf Life |
12 months (unopened, stored between 10–22°C, 50% RH) |