Unison Joints are global specialists in Building & Seismic Expansion Joint Systems, designed to maximise performance, longevity and ensure they are fit for purpose.

Our bespoke cover plates are engineered to deliver exceptional results, continuing to work where others fail.

With Unison, you can trust in a leak-proof, watertight seal guaranteed!

Architectural Joints

We provide architectural expansion joint solutions for projects worldwide, from large-scale stadiums and expansive shopping centres to airports, carparks, and hospitals.

Australian Manufacturer

Unison Joints is the sole Australian owned expansion joint manufacturer (operating since 2001) that has developed, commissioned and produced AS/NZ compliant fire seals.

Coverplate Designs

We have it covered- from leak proof car park cover plates to vertical cover plates, anti-pathogenic systems and seismic joints.

Expansion Joints In Stock

Unison Joints maintains a comprehensive inventory of locally sourced, popular expansion joints, seals and cover plates. Ensuring quick dispatch for all orders.

Unison Joints Develops, designs and produces our full range of Pyrotx fireseals IN HOUSE.
Unison Joints supplies high movement Pyrotx fireseal NATA certified compliant with AS1530.4 & AS4072.1 (some BS 476.20) for gaps 15mm to 350mm.
Beware of inferior imported fireseals. The Australian National construction code mandates that fireseals comply with Australian standards, not UL or other codes.

Bespoke, high performance, fully assembled coverplate for floor, wall, ceiling, roof & Facade

Since 2001, Unison's custom cover plates have continually evolved through collaboration with some of the world's finest design professionals, ensuring top-tier solutions for a wide range of architectural projects.

Quality Products

Waterseal

Bespoke Design

Superior Service

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Unison Joints' Innovative Approach

Unison Joints is the leader in new coverplate designs and longer lasting Expansion Joint Systems

As a leader in cutting-edge cover plate designs and durable expansion joint systems, Unison Joints is at the forefront of innovation in fire seals, water seals and expansion joint cover plate solutions. We provide advanced movement solutions for the construction industry, collaborating closely with architects and specifiers worldwide. Our global reach and commitment to continuous product improvement ensure customized solutions tailored to meet your specific needs.

What Our Clients Say

Try our Joint Cover Finder

Car Park Renovations? Ask about a Unison Leak Assessment.

Engineer supported expansion joint advice at your fingertips. Call to speak with one of our Engineers.

Competitors Offering Australian Certified Fire Rated Joints
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Engineering Assistance

Unison’s in house engineers offer expert product support and design services for the construction industry. With over 30 years of commitment to engineering excellence, we've developed a wide range of innovative designs and patented solutions, back by extensive testing and experience. Our approach involves thoroughly researching each project's unique requirements to deliver tailored solutions and precise specifications.

Unison Joints is on the path to becoming the world’s leading expansion joint manufacturer through our continuous improvement process and dedication to producing high performance cover plates that last longer, perform better and safeguard our client’s reputations.

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Please Note: Design, specifications and other information on this website are subject to change without notice. Unison does not accept liability where the material on this website is misconceived, exploited, or lacks conformity. The intention of this information is to provide a reasonable description of products, procedures and capabilities.