Glasit Slimtec Windows

Our bench mark single glazed window design is manufactured using a 50mm Rehau uPVC profile and high quality GHI hardware to give you the best quality and most energy efficient single glazed window. 

This window can be ordered with standard glass or intruder resistant glass.

U-Value 4.48 with SHGC 0.49 using clear glass*

U-Value 2.87 with SHGC 0.37 using LowE glass*

                                                                                                                                                           *average values applied

Slimtec Window Specification:

  • Glass: Single Glazing up to 7mm thick. 
  • Hinges: High quality stainless steel hinges specifically designed for Slimtec. 
  • Handle: Designer latch handles.  
  • Profile: 50mm Rehau profile.
  • Gaskets: Rehau EPDM gaskets.
  • Steel reinforcing: Minimum 1.5mm thick steel as per Rehau recommendations
  • Colours: Only available in white.


Technical Information:

Maximum outer frame sizes for profiles:

Solid fixed light maximum length of 3m but area may not exceed 6 square meters. 

Fixed frame with mullions and sashes: max length 4m but max area may not exceed 6 square meters. 

Anything larger must have an independent steel beam fitted by the builder or an expansion section fitted.  

Maximum sizes and weight of the opening section of a windows:

Top hung sash with friction stay: width 900 and height 900
Side hung sash with friction stay: width 600 and height 1200 


All sizes must be checked and approved according to weight of glass. 
All sizes are recommended by Rehau and if exceeded do not carry any warranty.



We fit the best, best.                                                                                                                                                                    © Glasfit 2016