4500 Lift and slide system with thermal break

Aluminium slide system windows LondonThis sliding door system offers a thermal break with both curved or bevelled styles depending on your request.

4500 offers to different types of systems:

Aluminium system windows with thermal brake London4500 elevating sliding – The sliding system works due to the sashes being mounted onto a mechanism which allows the door to be elevated when open but drops down back into place when the door is shut, allowing it to rest on a weather strip which greatly increases tightness creating better acoustic and thermal performance. You have the option do have no mullions if sash has a meeting of 90 degrees. In the fixed configuration the rail is kept hidden.

4500 in line sliding – This system allows the sliders to be made for large dimensions for a cheap price. It offers several configurations and uses stainless steel rails to reduce friction which allows the user to open the doors smoothly.

Technical Data

Acoustic Insulation

✓ Maximum glazing of 38mm allows an acoustic insulation of Rw=42dB


✓ Uw from 1.5 (W/m²K)

Opening types

Profile/section thickness

✓ Frame-100/123/127mm

✓ 3 Rails-185mm

✓ Sash-51mm

✓ Door-2mm

✓ (Polyamide strip length Frame-30&24mm Sash-14.6mm)


✓ Width=3300mm (Lift version) 2500mm (In-line version)

✓ Height=3300mm (Lift version) 2600mm (In-line version)

✓ Weight 400kg (Lift version) 280kg (In-line version


✓ Available dual colour finish

✓ Anti-bacterial powder coating

✓ Colour powder coating RAL

✓ Anodized

✓ Wood effect powder coating

Categories achieved during testing

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

✓ Water tightness (EN 12208:2000): Class 8A

✓ Wind resistance (EN 12210:2000): Class C4