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70mm Open Out Casement Window

The 70mm casement window is a chamfered system resembling a traditional "putty line finish" The multi-chambered profiles are designed to meet the requirements of the newbuild, commercial and refurbishment markets. Available in a range of coloured smooth or woodgrain laminate options.

Product Specification

  1. Larger reinforcement chambers allow for additional strength / rigidity when necessary
  2. Optional features include a part sculptured T Sash
  3. Ideal replacement for British timber Casement Windows due to 70mm depth
  4. 4mm to 44mm double or triple glazing
  5. Wide range of styles and combinations eg. French, Bay and Bow windows
  6. Can achieve U-Values of 0.8 W/m2K using the triple glazed Argon sealed units.
  7. Complies with Building Regulations


Feature Specification
Profile depth 70mm
Maximum window size 900 x 1500mm (Side Hung)
900 x 1200 (Side Hung)
1300 x 1000 (Top Hung)
Thermal performance Can achieve 0.8 W/m2K
Max. sash weight 40kg
Glass width 4 – 44mm
Product Spec Image

Section Detail

This drawing shows the vertical section (chamfered) of our 70mm Open Out Casement Window

Product Section Detail Image