Acoustic, smoke & fire containment systems

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About us

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Saving lives and preserving property


We design and manufacture market-leading, high-performance door sealing systems. Our intumescent seals are a vital part of a fire door assembly, helping to defend buildings against the spread of fire. Our smoke seals restrict smoke movement around a building - giving people time to escape, and reducing property damage.

Improving quality of life every day

Thankfully fires are rare. Yet our seals still work hard every day to enhance a building’s performance. Our acoustic door seals help to contain sound within a room, or prevent it entering. Many of our seals also improve the building’s energy efficiency by keeping in heat. We also design our seals so the door can be used with minimal effort, helping those with reduced mobility.

Integrated systems

Ensuring a fire door provides complete protection involves more than door seals alone. That’s why we offer a suite of products for fire resistant glazing, and also door hardware protection. Our intumescent grilles and fire dampers protect ductwork and walls, as well as doors. Taking this ‘system’ approach means we can recommend the most efficient, cost-effective combinations for every situation.

Our technical strength

After 30 years, there’s not much we don’t know about door sealing. Respected throughout the industry for our technical depth, we play an active role in helping to shape standards and best practice. We share our knowledge openly with our door manufacturer customers, and support their product development in our own research laboratory.

Testing and certification

Our library of test evidence is second to none. We have a host of CERTIFIRE certificates; and we still remain the only seal manufacturer with BBA accreditation (for our main range of fire and smoke seals). It’s not only our products which excel. We boast both BS EN ISO 9001:2008 and BS EN ISO 14001:2004 accreditation.

International presence

In addition to our office in Hong Kong, we have a number of operations around the world; in the UK, North AmericaAustralia and Singapore. We also have strong links in Asia and the Middle East, which means that we’re able to deliver the right solutions locally to our customers throughout the world. By keeping abreast of technical developments and changes to codes, regulations and standards across the continents, we can ensure we’re always providing the highest level of expertise.