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< return to Black Diamond Doors range

GRP Composite door Performance
& Security

The whole philosophy of the Black Diamond Door Range has been built around performance achieved through testing. The materials used in the construction of the door have been individually tested to ensure long term performance. The use of the triple seal coupled with an effective threshold ensures exceptional weather performance.

Security features include laminated glass, a multipoint locking system, dog bolt hinges, cylinder guard, tough polyurethane core, reinforced with steel mesh, all as standard with other features as options.

The specially formulated Glass Reinforced Polymer and Thermoplastic skin materials have been developed to promote UV stability, high thermal shock and scratch resistance, providing an effective barrier for the door.

ISO 9001:2000
As one would expect, such a product has been manufactured under the British Standard quality assurance system.

BSI Kitemark Licence - KM 506343
The door has been externally tested and has passed the general performance requirement for door assemblies as required under PAS23-1 - 1995 (including annex D covering thermal cyclic tests) and PAS 24, enhanced security performance.

Secure by Design
Being a licence holder for the prestigious ‘Secure by Design’ assures the effectiveness of the Black Diamond Door Range by being approved by the Association of Chief Police Officers.

Sealed glazing units have been manufactured to the European Standard of EN1279 using toughened glass manufactured to BS EN 12150-1.

As a member of the association of composite door manufacturers, we are committed to continually improving the testing standards to ensure longevity of the product.


Black Diamond Doors range performance and security features