ISG strives to uphold quality standards within the PVC-U window industry and holds all of the industry recognised Accreditations.
We have regular independent assessments carried out on our windows and doors to reinforce our Accreditations:
- Windows to BS7412 / PAS 24BS EN ISO 9001:2008
- BM Trada Qmark
- PAS 24:2012
- Secured by Design
- Kite Mark
- Quality Management
- Door Quality Scheme
- Enhanced Security
- Registered licensee
