Sash & Case - Performance

Performance Ratings

The tables below give our Window Performance Ratings.

Performance As Standard Best
Glass U-value 1.3 1.0
Energy- Rating A A+
G-Value 71% As required
LT 81% As required
Acoustic
Rw 30dB 41dB
Weather
Classification 2000 (BS6375 Part 1)
Air Class 4 (EN 12207-200)
Wind Class 7A (EN 122208-2000)
Water Class C5 (EN 12210-2000 Class C5)
Operation & Strength
Classification Pass (BS6375 Part 2)
Sustainability
FSC Certified Yes

Certifications

Certifications

Warranty

10 Year Guarantee
As Standard

All our products come with a 10 year guarantee as standard.