Forspec ACTFLEX 989 CWP

Cementitious Waterproofing Membrane

ACTFLEX 989 CWP is a high-performance, flexible waterproofing membrane designed for both internal and external wet areas. This two-part cementitious system creates a durable, seamless barrier that protects surfaces from water ingress, rising damp, and efflorescence.
Suitable for a wide range of applications including bathrooms, balconies, retaining walls, and even swimming pools, it delivers reliable waterproofing performance while remaining easy to apply. With fast drying times and strong adhesion to most building substrates, ACTFLEX 989 CWP is an ideal solution for both residential and commercial projects.

Uses & Benefits:
✓Versatile waterproofing solution
Suitable for bathrooms, balconies, rooftops, podiums, planter boxes and pools
Can be used internally and externally

✓High-performance protection
Withstands hydrostatic pressure up to 250kPa
Helps prevent rising damp and efflorescence
Flexible Class III membrane (meets AS4858 & AS4654.1)

✓Easy application & fast turnaround
Two-part system with simple mixing ratio
Can be tiled over in as little as 6–8 hours
Applies to horizontal and vertical surfaces

✓Strong and durable finish
Excellent adhesion to concrete, masonry, screeds and PVC panels
Suitable for damp substrates
Long-lasting waterproof barrier

✓Safe and compliant
Non-toxic and non-flammable
Low VOC and meets Green Star requirements
Compatible with most tile adhesives
Coverage & Application

Coverage:
Approx. 8m² per 18kg kit at 1.2mm total thickness
Roughly 0.5m² p/L (varies depending on surface porosity)

Application:
Mix Part A (liquid) with Part B (powder) at 1:1.2 ratio
Apply using brush, roller or spray
Minimum 2-coat system (3 coats recommended for constant water exposure)
Recoat after 4–6 hours between coats
Allow 6–8 hours before tiling or foot traffic
**Full cure: ~72 hours (longer in confined or high-moisture areas)
For pools or water immersion: allow minimum 10 days curing