John Wilkinson and Sons (Builders) Ltd
FIRAS CertifiedCarrfield Works, Lancashire FY6 0LU
John Wilkinson and Sons (Builders) Ltd is a FIRAS-certified passive fire protection contractor based in Carrfield Works, Lancashire. They hold certificate HP5531 (Issue 7) and are independently assessed by Warringtonfire, accredited by UKAS — the UK national accreditation body. Their certified scopes include Cavity Barriers, Fire Doors and Penetration Sealing / Fire Stopping, making them a verified choice for building owners, main contractors, and facilities managers requiring compliant passive fire protection work in North West and surrounding areas.
FIRAS Certification Details
Certified Services
Cavity Barriers (from 15/09/2023); Cavity Barriers (from 24/06/2013); 2021 Penetration Sealing (from 24/06/2013); Timber Doors (from 05/03/2025)
Why Choose a FIRAS-Certified Contractor?
FIRAS certification is the UK's leading third-party accreditation scheme for passive fire protection contractors. Certified companies are independently audited by Warringtonfire and subject to random site inspections to ensure ongoing compliance. Building owners and insurers increasingly require FIRAS certification as evidence that fire protection work meets the required standard under the Building Safety Act.