Expansion Joint
Expansion Joint is a hot dipped bitumen impregnated fibreboard. Widely used a cost-effective joint filler in expansion joints in most types of concrete paving such as paths, driveways, aprons, kerbs and gutters.
Durable Expansion Joints for Concrete Paths, Driveways and Paving
Expansion joints are an essential component in concrete construction, allowing for natural movement in slabs while preventing cracks and structural damage. Our Conform Expansion Joint range provides a simple, cost-effective way to manage concrete expansion and contraction in driveways, footpaths, aprons, kerbs, and gutters. Manufactured from hot-dipped bitumen-impregnated fibreboard, these joints deliver excellent durability, flexibility, and long-lasting performance.
At Blacktown Building Supplies, we stock a comprehensive selection of expansion joints in popular widths and lengths, ready to handle all types of residential and commercial concrete applications.
Why Builders Choose Conform Expansion Joints
Conform Expansion Joints are designed for strength, ease of installation, and dependable performance. Their bitumen-impregnated construction provides superior moisture resistance and dimensional stability, making them ideal for Australian outdoor conditions.
- Moisture Resistant: Bitumen impregnation helps prevent water absorption and maintains structural integrity over time.
- Flexible and Durable: Allows concrete to expand and contract without cracking, maintaining clean, stable joints.
- Multiple Sizes Available: Choose from widths including 60mm, 75mm, 100mm, 125mm, 150mm, and 200mm — all 8.5mm thick and 2400mm long.
- Easy to Install: Lightweight fibreboard is simple to cut, shape, and position on-site.
- Cost-Effective Solution: A proven and economical way to protect concrete work from structural stress.
Where Expansion Joints Are Used
Expansion joints are a standard requirement for concrete projects where temperature fluctuations, load stress, and ground movement can impact structural integrity:
- Driveways and Paths: Prevent cracking from thermal expansion and ground movement.
- Patios and Aprons: Maintain smooth, clean joints between slab sections.
- Kerbs and Gutters: Provide a stable buffer between concrete elements.
- Commercial Paving: Ideal for carparks, walkways, and hardstand areas.
- Retaining Walls and Structural Slabs: Create clean breaks and allow for controlled movement.
Complete Your Installation
To ensure a long-lasting and professional result, pair your expansion joints with the right concrete accessories:
- Concrete Mesh & Reo Bar: Reinforces slabs and reduces cracking.
- Formwork & Spacers: Keeps the joint positioned accurately during the pour.
- Sealants & Fillers: Protects the top of the joint from moisture and debris infiltration.
- Cutting Tools: Use a utility knife or saw to trim fibreboard to size quickly and cleanly.
Get Your Expansion Joints from Blacktown Building Supplies
Reliable, easy to install, and built to last. Conform Expansion Joints are the smart choice for any concrete project. We stock all popular widths, ready for fast delivery across Sydney or pickup from our trade counter. Whether you’re working on a residential driveway or a commercial carpark, we have the stock and know-how to support your build.
Call 1300 554 775 or request a quote online, our team can provide expert advice on sizing, placement, and installation for your next concrete project.