Building Social Value through Double Glazing

Open Navigation


ISO 14001- Environmental Management

This accreditation enables us to lead the way in environmental efficiency savings with our rigorous environmental management system standard.

ISO 14001 Environmental Management helps our business to:



Cosyseal Building Products’ Environmental Management System has been accredited to ISO 9001.

The organisations have been recycling both 1st generation PVC-U windows for many years. 1st generation is the name for old PVC-U windows which are being replaced.

Whilst the 1st generation frames are normally still functional, the glazing system may be low security and many of the windows are single glazed, also the locking mechanism is often very basic. Our clients have decided to replace them to improve the security and energy efficiency.


Noise Reduction:

Cosyseal‘s windows and doors are designed and manufactured with our customers in mind. We strive to offer quality products that offer value for money and so much more.

Noise Reduction?

How can we help you?

Get in touch to see how our experts can help you.

Contact us