Introducing StoneLOCK from ARG Stone

Expertly Engineered. Naturally Authentic.

StoneLOCK is a ventilated brick-slip façade system manufactured in low carbon high performance aluminium to the latest Eurocode designs. It’s unique interlocking design creates a solid aluminium inner cavity, supporting simple, tested cavity barrier installation. This allows StoneLOCK to offer off-site fabrication of any columns and corner returns enabling reduced installation times.

StoneLOCK is made in the UK to the UKAS accredited UL Winmark approval that is NHBC approved, CWCT Sequence B Tested, Warrington A1 fire rated. It is also designed and manufactured to Eurocode 9, made from 6063 T6 aluminium with a 44% recycled content and is TG019 tested with simple installation integration to cavity barriers.

CWCT Tested

StoneLOCK is fully tested to CWCT Sequence B and achieves a Warrington A1 fire rating, ideal for use on high-rise and high-risk buildings.

Sustainably Designed

StoneLOCK uses 44% recycled 6063 T6 aluminium in its design ensuring to meet carbon offset targets.

Hidden Carrier System

A discreet interlocking profile system delivering strength, alignment, and long-term reliability.

Certification

StoneLOCK is compliant with BS EN 755-9:2016 for safety and reliability.

Compatibility

StoneLOCK works with standard clay and natural stone brick sizes - 63mm to 65mm in height.

Effortless Install

The slips fit into a continuous, interlocking aluminium profile with horizontal and vertical reinforcement.

StoneLOCK Component Parts

Natural Stone Bricks & StoneLOCK

ARG Stone and the market-leading StoneLOCK System, now offers customers access to an extended range of façade slip products previously unavailable within a single system.

StoneLOCK not only accommodates traditional clay brick slips but, in an industry first, now supports natural stone brick slips — exclusively through ARG Stone. This opens up new design possibilities that combine timeless aesthetics with the potential to contribute to carbon offsetting initiatives.