GP2450 is the next generation that upgrades the GP220 existing product line, offering unlimited enhanced features and unrivaled characteristics. The GP2450 harmoniously combines all the functional benefits of a minimal lift and slide system and at the same time offers impressive thermal insulation, water tightness and resistance to wind load. The system combines up to date architectural aesthetics and exceptional functionality along with top durability and performance.

Features and benefits:

  • High level of thermal insulation Uw=1.59 W/m²K due to the 32 mm glass reinforced polyamides.
  • Minimal style and straight lines in combination with the low driver offer particularly elegant structures and facilitate the access.
  • Profile width 51 mm at the junction point in order to maximize transparency and light penetration.
  • The lift sliding mechanism offers smooth sliding and maximum functionality along with even better thermal insulation.
  • The built-in handle at the junction point of the slim hook, offers higher strength and robustness in construction and increased resistance to wind load.
  • Ability to implement a variety of typologies.
  • Fast and easy installation.
  • Ideal solution for new constructions and hotel renovations.



The energy (thermally-cut) frames stand out from the conventional ones, thanks to the use of a special insulating material (polyamide) which is a bad heat conductor) that distinguishes the window profiles in two parts, both exterior and interior. In this way, high thermal insulation is achieved, with considerable benefits also for soundproofing.

Thermal insulation of the windows (coefficient of thermal conductivity) is measured in W / m2k. This factor defines the amount of heat in Watt per unit of time that a 1m2 frame can penetrate when the temperature difference between its two surfaces (in-out) is 1 degree (1 ° C).

An energy aluminium frame also requires the corresponding glass (glass pane). A glass pane and aluminum profiles have different coefficients. The coefficient of thermal permeability of the aluminum profile is called Uf (U Frame – frame) and the coefficient of the glass is called Ug (U Glass – glass). Combined, they give the Uw coefficient (Window U – window), which refers to the frame as a whole, precisely because the glass and the window profile occupy a different surface each time depending on the dimension of the window frame (bathroom window, balcony door, etc.).

In summary, the benefits of heat-shrinking frames are the following:

  • Energy saving
  • Reduction of cooling / heating costs
  • Resistant to extreme weather conditions
  • Minimizing of water vapour penetration on the inner surface of the profiles
  • Low air permeability
  • Soundproofing
  • Delivers transvalue on the property (rental / sale)