Astraseal is a fully accredited fabricator and installer of PVCu and aluminium products for commercial construction projects, achieving the following accreditations:


Construction Line accreditation logoAstraseal is a member of Constructionline, the quick and easy way for buyers to source quality construction suppliers. Constructionline is the UK’s largest, up-to-date register of suppliers, and as an approved company we’ve been pre-qualified to government standards.

Constructionline also maintains relationships with a range of industries, purchasing and government partners to ensure it remains relevant to procurement professionals when searching for a supplier.


Chas logoThe Contractors Health and Safety assessment scheme was developed to improve health and safety standards amongst contractors and reduce duplicated safety applications for both suppliers and buyers.

Astraseal is a CHAS accredited supplier, having consistently met the health and safety standards to comply with CHAS buyers’ requirements. We can offer contractors reliable products and services without breaching their CHAS specific policies, saving them both time and money.

Secured by Design

Secured by design logoSecured by Design is a police initiative put in place to improve security measures in homes across the UK. This initiative applies to existing homes and new residential developments including individual houses, housing estates and low and high-rise apartment blocks.

Astraseal products are Secured by Design as standard and by choosing us you can be confident all products supplied and installed will meet security requirements for your new-build residential project.

BS EN ISO 9001 Quality Management

This internationally recognised system helps us continually monitor and manage quality across all of our operations. ISO 9001 outlines ways to achieve and benchmark consistent performance and service, helping us meet customer needs better as well as find more efficient ways of working through improved operational performance.

BS EN ISO 14001 Environmental Management

Another internationally recognised accreditation which outlines ways to put an effective environmental management system in place. This helps businesses remain commercially successful without overlooking environmental responsibilities. Following this guide allows us to effectively manage our impact on the environment and improve efficiency.

FENSA registered
Passive Windows certified
Safe Contractor Approved
Green Deal Approved