Joint Sealant
High-performance joint sealants designed to protect and support expansion and movement joints. Flexible, durable, and built to withstand Australian conditions.
ABT Supplies stocks a comprehensive range of flexible joint sealants, including polyurethane, silicone, glazing, fire-rated, and fibre-cement joint sealants. Each product is engineered to deliver long-lasting adhesion, movement tolerance, and reliable performance across a wide range of construction applications.
Our sealants bond strongly to concrete, masonry, fibre cement, metal and timber, creating watertight, durable seals that accommodate structural and temperature-related movement without cracking or lifting. Suitable for internal and external use, our sealant range performs consistently across Australia’s varied climates and site conditions.
Benefits of our Joint Sealants
- Strong, flexible joint sealant, ideal for movement and expansion joints
- Formulations resistant to weathering and UV exposure
- Excellent adhesion to concrete, masonry, metal and fibre cement
- Remains flexible under temperature and structural movement
- Easy to apply and tool for smooth joint finishes
- Suitable for interior and exterior applications
- Proven durability under Australian site conditions
Applications
- Sealing concrete expansion and control joints
- Masonry and brick wall movement joints
- Fibre cement facade and cladding panel joints
- Perimeter sealing around windows, doors and penetrations
- Construction and precast concrete joints
- Industrial flooring and paving systems requiring flexibility
PRODUCTS
FulaFlex™ 625 Hybrid Polymer Sealant
A high-performance, solvent-free hybrid polymer sealant designed for joints with high movement. It cures to a tough, elastic, weatherproof seal with strong chemical resistance, providing a non-hazardous alternative to traditional polyurethane sealants. Ideal for concrete, masonry, and construction joints requiring long-term flexibility.
All Purpose Silicone Subway
Neutral-cure silicone for weather- and water-tight sealing. Anti-fungal, versatile, and suitable for bathrooms, kitchens, plumbing fixtures, roofing, guttering, and perimeter joints.
Hardie Joint Sealant
Exterior-grade, paintable polyurethane joint sealant for Hardie fibre-cement installations. Functions as both sealant and adhesive. Provides durable bonding and is ready to paint after application.
Hardie Joint Sealant
Same exterior-grade polyurethane sealant in a sausage format. Bonds fibre-cement products, acts as an adhesive, and provides a paintable, durable joint finish.
FulaSeal 700 Roof & Gutter Silicone
Neutral-cure silicone formulated for roofing applications. Non-corrosive and ideal for sealing gutters, flashings, roof joints, and rainwater systems with long-term weather resistance.
FulaSeal Pro 300 Premium Grade Industrial Silicone
Premium neutral-cure silicone for glazing and industrial fabrication. High UV, temperature, and weather resistance with strong flexibility and durable adhesion. Suitable as a flexible waterproof adhesive.
Tool Box Original MS Adhesive & Sealant
Multi-purpose MS polymer adhesive and sealant. Bonds to most construction materials and provides a flexible, paintable joint for interior or exterior use.
FulaTrade Gap Filler
Acrylic gap filler for internal cracks and low-movement joints. Easy to apply, water-clean-up, and suitable for most building substrates.
Foam Flo Expanding Pu Foam
One-component expanding polyurethane foam for sealing roof gaps, frames, penetrations, and voids. Provides sound deadening and improves acoustic and thermal properties.
Foam Flo Fire Resistant Expanding Pu Foam
Fire-retardant expanding PU foam, rated up to 360 minutes in tested configurations. Suitable for linear gap sealing and general construction voids with thermal and acoustic benefits.
FireSound Fire Rated Acoustic Sealant
Flexible water-based sealant for fire- and sound-rated construction joints and penetrations. Suitable for concrete, masonry, and fire-rated plasterboard.
FireSound Fire Rated Acoustic Sealant
Same fire- and sound-rated formulation in a sausage pack for higher-volume applications.
FulaFlex 625 Hybrid Polymer Sealant
Hybrid polymer construction sealant offering elastic, weatherproof performance with chemical resistance. Low-modulus cure suitable for joints requiring high movement tolerance.