4700 Sliding system with thermal break

Aluminium system windows LondonThis straight forward sliding window and doors system comes with a interlock of just 47mm visible section. It allows the user to increase the glazing capacity by up to 34mm which improves noise cancelation and thermal performance. It sashes only up to 280kg resulting in a maximum dimension of 2500mmx3000m.

Technical Data

Acoustic Insulation

✓ Maximum glazing of 34mm allows an acoustic insulation of



✓ Uw from 1.1 (W/m²K)

Opening types


Profile/section thickness

✓ Frame-120/115mm

✓ Balcony-1.5mm

✓ Sash-50mm

✓ (Polyamide strip length 20mm and 25mm)


✓ Width=2500mm

✓ Weight 280kg

✓ Height=3000mm


✓ Available dual colour finish

✓ Colour powder coating RAL

✓ Wood effect powder coating

✓ Anti-bacterial powder coating

✓ Anodized

Categories achieved during testing

✓ Air permeability (EN 12207:2000): Class 3

✓ Water tightness (EN 12208:2000): Class 7A

✓ Wind resistance (EN 12210:2000): Class C5