Enviro Flex FL
Enviro Flex FL is a fast curing, high performance, neutral cure, elastomeric polyurethane joint sealant that forms part of Envirosystems waterproofing systems. Enviro Flex FL is designed for use under waterproofing membranes as a cove joint for movement junctions such as floor wall junctions.
- Corner & joint sealer (≤50mm) before membranes
- Fast skin/cure + strong adhesion (non-sag)
- UV-stable, flexible + low VOC (paintable)
Features
- Excellent adhesion
- Rapid skinning and fast cure
- UV stable
- Long term durability
- Excellent bi-axial flexibility
- Excellent organic chemical resistance
- Very low VOC content
- Low dirt pick up
- Non-staining
- Paintable after cure
- Permanently flexible
- Stable – No shrinkage
- Bonds and seals at the same time
- Short cut-off string
- Adhesion to a wide range of substrates
- Non-sag consistency – Good thixotropy
- Allows equalised stress transfer due to permanent elasticity vibration and sound dampening properties
- Over-paintable with many water/solvent-based paints (preliminary tests recommended)
- High pick resistance
Uses
Enviro Flex FL can be used for sealing internal corners between building components such as concrete panels, fibre cement sheets, block and brickwork, and around window and door frames prior to membrane application. Enviro Flex FL is suitable for commercial and residential, internal and external applications.
- Internal & External Wet Areas
- Basements, walls & floors
- Plant rooms
- Planter boxes
- Bathrooms
- Podiums
- Balconies
- Retaining walls
- Prisons, schools and public amenities
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