Using Synseal's profiles, Crystal is able to meet the most stringent industry standards and offer our customers a wide range of important accreditations.

• PAS 23-1 and PAS 24-1: General and Enhanced Security Performance. Click here to view certificate.

• BS EN 12608: PVC-U Profiles for the Fabrication of Windows and Doors. Click here to view certificate.

• BS 7950 / BS EN 12608: Enhanced Security Performance of Windows for Domestic Applications. Click here to view certificate.

• ISO 9001/2008: Quality Management System. Click here to view certificate.

• ISO 14001/2004: The manufacture and supply of PVC extrusions and gaskets windows, doors and conservatories, including foils of PVC. Supply of aluminium profiles for the construction industry. Also, warehousing and delivery of the above. Click here to view certificate.

• BBA Agrement Certificate 09/4679. Click here to view certificate.

Crystal has also attained CMS marks for both EN1279 and EN 1435. Click the icons below to find out more.