108 Doorsets, Fire Doors, Safety & Security Also online at: www.dijonline.co.uk THE door industry journal winter 2025 Built and Tested as a Complete System A factory-prepared doorset is not a collection of parts, but a ‘complete system’ in which every element, from the door leaf and frame to the seals, glazing, and hardware, is designed and tested to work together. This holistic tested design of the doorset, relies on each component playing their part. This is how the doorset delivers its performance to meet building regulation requirements, be it fire resistance, smoke control, enhanced security, thermal transmittance etc. By contrast, when individual parts are sourced from several sources separately, not having been tested on the same design and construct of the doorset/doorset range, the integrity of the system raises questions. A complete finished doorset, factory prepared from the one source removes that uncertainty. Independent Verification Builds Trust Third-party certification provides the independent confirmation that delivers the confidence needed. Through a UKAS, INAB, or internationally accredited body, certification confirms that what is produced in the factory is identical to what has been tested. It is a guarantee that the product supplied will perform to the standards claimed, and that the chain of accountability is complete and transparent. Every certified doorset will carry a label or a door plug identifying the certification body and the manufacturer. This provides assurance to all involved in the process, from designers and contractors to buildings owners and regulators. It shows that the doorset is not only compliant, but responsibly made and verifiably safe. In a regulatory environment shaped by the Building Safety Act and greater personal accountability, this level of proof is no longer a choice. It is an essential part of responsible building practice. Why Third-Party Certified FactoryPrepared Timber Doorsets Are the Clear Choice Fire safety is not an area for compromise. The selection of a timber fire doorset should never rest on convenience or appearance alone; rather, on the certainty that it will perform when lives depend upon it. The most reliable way to achieve that assurance is through the use of a third-party certified factory-prepared doorset, built and verified to the highest possible standard.
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