Accreditations : Quality Guaranteed | Sierra Windows

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Quality Guaranteed

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

Lastest News

	Safety first
To ensure compliance with Part B1 of the Building Regulations, Sierra Windows has introduced a fire escape window that not only offers a technical solution but looks good too. more...

	New sculptured suite
Sierra Windows has introduced ‘Classical’, a fully sculptured 70mm suite that looks as good as traditional timber and with all the benefits of PVC-U. more...