Maximising Opportunities
At Sierra our commitment to quality control is absolute.
Our products are intensively tested by independent agencies to ensure compliance to the latest and highest industry standards and building regulations in England, Wales, Scotland and Ireland, ensuring high weathering performance and security.
- Full BSI accreditation including Registered Firm and Kitemarks, BBA agreement and PAS011 improved security rating
- All doors have been successfully tested to PAS23/24 and the Police preferred Secured By Design status
