GDL is a privately owned manufacturer and supplier of a large range of louvre systems, air diffusers, grilles, natural ventilation systems, brise soleil and dampers. From our head office in Glossop, Derbyshire and manufacturing facility
in Sheffield, GDL has serviced the built environment industry for over 30 years working with designers, architects and contractors across the UK and overseas.
GDL offers a vast wealth of experience in technical, manufacturing and product development fields, ensuring our customers are supplied with the choice of products most suited to their requirements. Our comprehensive regional
sales representation across the UK and Ireland offers a wealth of expertise and knowledge across the product range.
Focussed on the highest level of customer satisfaction, our products are manufactured to the highest quality,
produced in line with international standards. GDL have quality and environmental management systems that are
certified to ISO 9001, ISO 14001 and ISO 18001 respectively.
PLEASE CLICK HERE TO VIEW THE GDL CUSTOMER CHARTER
We encourage and welcome all feedback from our customers both positive and negative in order to continually
improve the service and products we provide. CLICK HERE TO GIVE US YOUR FEEDBACK