ALU Hidden Sash
Cross Section
Profiles
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.
Outer Frame
70mm base width profile used as standard.
Sash
Concealed Sash. 2 Options available depending upon glazing thickness. Standard 26-32mm, Alternative 34-40mm.
Bead
N/A.
Cills
Choice of 85mm Stub cill, 150mm, 190mm or 225mm.
Add-Ons
Choice of 50mm and 59mm add-ons. The 50mm add-on is used as standard where trickle vents are specified.
Size Limitations
The COR 70 Hidden Sash has the following size limitations:
Concealed Hinges (Tilt before Turn)
Opening Type |
Min Width |
Max Width |
Min Height |
Max Height |
Max Weight |
Tilt Before Turn |
450mm |
1300mm* |
700mm |
2400mm* |
100kg* |
*According to table below
Colours
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.
Useful Links
Stock Colours
Colour |
Stock Held? |
Typical Lead Time (Supply Only) |
White Gloss |
On request |
3-5 Weeks |
RAL7016 Matt - Anthracite Grey |
On request |
3-5 Weeks |
RAL9005 Matt - Black |
On request |
3-5 Weeks |
RAL9007 Matt |
On request |
3-5 Weeks |
Standard RAL Colours |
On request |
3-5 Weeks |
Hardware Options
Handles available in:
- Concealed Handle
- White
- Black
- INOX
- Light Silver
- Dark Silver
Locking
Multipoint locking fitted as standard.
Concealed tilt and turn hinges fitted as standard.
U Values & Energy Ratings
Centre Pane U Value |
Overall Window U Value |
Typical Glazing Specification (To achieve U Value) |
Energy Rating (Based upon Glazing Spec) |
1.2 W/m2K |
tbd |
4-20-4 Planitherm + Low Iron + Warm Edge Spacer + Argon Fill |
tbd |
1.0 W/m2K |
tbd |
4-20-4 Planitherm 4S + Low Iron + Warm Edge Spacer + Argon Fill |
tdb |
Glazing Thickness
28mm double glazed units as standard.
28mm - 40mm double or triple gazed units also available
Images
Please click on an image to enlarge.