Accreditations

	Secured by Design Birtley's Secured by Design Range has all the visual appeal and construction technology of our standard doors, but with the added benefits of offical Police security certification. www.securedbydesign.com
	Galvanizers Association Galvanizers Association is the source of free information and advice about the hot dip galvanizing process and the galvanizing industry. www.galvanizing.org.uk
	BSI Birtley are accredited to ISO9001 for both Lintels and Doors. www.bsigroup.com