Follow the links below to the CE Declaration of Performance (DOP) Certificates for products that we fabricate.

Aluminium Windows

• Sapa DF75 - Dualframe Casement Window
• Sapa DF75Si - Dualframe Si Casement Window
• Sapa DF75Si Pivot - Dualframe Si Pivot Window
• Sapa DF75Si TBT - Dualframe Si Tilt Before Turn Window
• Sapa DF HSW - Dualframe Dualslide Horizontal Sliding Window
• Sapa DF VSW - Dualframe Dualslide Horizontal Sliding Window
• Sapa DF75 Reversible - Dualframe Reversible Window
• Crown Casement Window - Crown Casement Window

Aluminium Doors

• Sapa 202 - Non-Thermal Commercial Door
• Sapa DF75 HP/Dualsecure - Dualframe Residential Door
• Sapa Crown - Residential Door
• Sapa Dualfold - Dualframe Sliding / Folding Door
• Sapa ST - Stormframe Commercial Door
• Sapa Crown Patio Slider - Sliding Door
• Sapa Crown Folding - Sliding / Folding Door

 

Ali Systems Ltd, Unit 2, Barford Industrial Estate, Watton Road, Barford, Norwich, NR9 4BG