ALU Hidden Sash
The following profiles are the main profiles that we use as standard. More profile options are available and can be found in the Technical Manual.
70mm base width profile used as standard.
Concealed Sash. 2 Options available depending upon glazing thickness. Standard 26-32mm, Alternative 34-40mm.
Choice of 85mm Stub cill, 150mm, 190mm or 225mm.
Choice of 50mm and 59mm add-ons. The 50mm add-on is used as standard where trickle vents are specified.
The COR 70 Hidden Sash has the following size limitations:
Concealed Hinges (Tilt before Turn)
|Tilt Before Turn
*According to table below
The COR 70 Hidden Sash Window is available in a wide range of colours, ranging from standard RAL colours to textured colours with a metallic fleck.
||Typical Lead Time
|RAL7016 Matt - Anthracite Grey
|RAL9005 Matt - Black
|Standard RAL Colours
Handles available in:
- Concealed Handle
- Light Silver
- Dark Silver
Multipoint locking fitted as standard.
Concealed tilt and turn hinges fitted as standard.
U Values & Energy Ratings
|Typical Glazing Specification
(To achieve U Value)
(Based upon Glazing Spec)
||4-20-4 Planitherm + Low Iron + Warm Edge Spacer + Argon Fill
||4-20-4 Planitherm 4S + Low Iron + Warm Edge Spacer + Argon Fill
28mm double glazed units as standard.
28mm - 40mm double or triple gazed units also available
Please click on an image to enlarge.