Sealants
Enviro Flex S.A.F.E
Enviro Flex S.A.F.E is a uniquely formulated, high performance, elastomeric polyurethane intumescent fire rated, structural & acoustic joint sealant, which when cured, forms a waterproof, fire and acoustic seal.
- Fire rated up to 4hrs (AS1530.4) + acoustic rated
- UV-stable, permanently flexible (≤50mm joints)
- No-mix, low VOC + paintable (non-sag, high pick resistance)
Technical Documents
Case Studies
Features & Uses
Product Data Sheets
Enviro Flex SAFE – Product Data Sheet
Download
Features
- Fire tested (rated up to 4hrs) AS1530.4
- Acoustic Rated
- UV stable
- Long term durability
- Australian Made
- Excellent organic chemical resistance
- Very low VOC content
- Low dirt pick up
- Non-staining
- Permanently flexible
- Stable – No shrinkage
- Short cut-off string
- Adhesion to a wide range of substrates
- No Mixing Required
- Non-sag consistency – Good thixotropy
- Allows equalised stress transfer due to permanent elasticity
- Non-sag consistency – Good thixotropy
- Excellent resistance to ageing, weathering – suitable for indoor and outdoor use
- Over-paintable with many water/solvent-based paints (preliminary tests recommended)
- High pick resistance
Typical Uses
- Enviro Flex S.A.F.E is suitable for commercial and residential,
- internal and external applications:
- Precast & Tilt-Up Panels
- Plasterboard (Fire & Acoustic Rated)
- Fibre Cement Board (Fire & Acoustic Rated)
- In-situ Concrete Floors & Walls
- Brick Work
- Block Work
- Renders
- Service Penetration Sealing
- Expansion & Construction Joints
Primers
Enviro Prime 789
- Ensures Strong, Reliable Adhesion Across Multiple
- Surfaces Performs in Varying Site Conditions
- Simplifies Application Without Compromising Quality
Enviro Prime SB
- Simple to use – 1 part
- Suitable for a wide range of products
- Fast drying
Enviro Shield
- Bonds to damp and green concrete < 25% moisture content (MC)
- Resistant to a wide range of chemicals
- Negative side barrier
For applicators
Access the Applicator Portal for Ordering and Project Support
Trusted by industry leaders, delivering high-performance construction solutions with sustainability at the core.
Contact Us

Adhesives
Coatings
Flooring
Primers
Remedial
Accessories
Waterproofing