- Detached house
- Collective housing
- Commercial
Espace® O.C. 70TH+ window
The Espace® O.C. 70TH+ range pushes the limits of performance with an ultra-efficient hidden opening in only 70 mm thickness.It offers exceptional thermal insulation, ideal for new buildings with very high energy demands. By maximizing the clear glazing and ensuring perfect visual homogeneity, this ... See more

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Product benefits
Exceptional thermal performances in only 70 mm thickness. This version with a concealed opening offers optimised window clarity
The Espace® O.C. 70TH+ range pushes the limits of performance with an ultra-efficient hidden opening in only 70 mm thickness.
It offers exceptional thermal insulation, ideal for new buildings with very high energy demands. By maximizing the clear glazing and ensuring perfect visual homogeneity, this range meets the expectations of the most ambitious contemporary architectural projects, without compromising on aesthetics, brightness, and performance.
Very high thermal performances
- Up to Uw = 0.79 W/(m²K) with Ug = 0.5
- Innovative low-density architecture and materials
- Wide choice of glazing thicknesses
- Ideal for high environmental requirements
Sleek and customizable design
- Only 70mm thick
- Option for invisible hinges
- Design choices (handles, glazing beads, finishes...)
- Compatible with market hardware (openings with European groove or 16 mm groove)
- Bi-colour option
Numerous configurations and implementations
- Tilt and turn, French-style, tilt, combined frame configurations
- Renovation frame, EWI, expansion, extended, ...
- Joining profiles with frames of the Espace®, Galaxie®, Comete® ranges
Optimized manufacturing
- A minimum number of references (1 single central gasket, 1 unique metal sheet groove)
- Quick manufacturing (frames with mitre cut or straight cut)
- Perfect finish (3D bracket to be crimped or screwed, possibility of glue injection)
- Unique metal sheet groove for interior and exterior (extension jamb, cover strip, drip tray fixing)
Configurations
Fixed frame
1-leaf inward-opening window
2-leaf inward-opening window
1-leaf tilt-and-turn window
2-leaf tilt-and-turn window
Bottom-hung inward-opening window
Combined frame
Technical characteristics
| Central beat viewing mass | 100 mm |
|---|---|
| Side viewing mass | 76 mm |
| Frame depth | 70 mm |
| Threshold depth | 65.3 mm |
| Min. infill thickness | 24 mm |
| Max. infill thickness | 48 mm |
| Max. weight of vent | 130 kg |
| Minimum height (overall, at 800Pa) | 500 mm |
| Min width (overall, at 800Pa) | 400 mm |
| Maximum height (overall, at 800Pa) | 2400 mm |
| Max width (overall, at 800Pa) | 1200 mm |
| Surface treatments |
|
| Glazing insertion | Glazing bead |
Performances
Acoustic configuration
Window 1 leaf OF, L1350 x H1500, glazing 55.2/16/55.2
Acoustic insulation Rw (C; Ctr)
44 (-2; -6) dB(A)
Thermal configuration
Window 1 leaf OF, L1230 x H1480 mm, glazing 4/16Ar85%/4/16Ar85%/4+2LowE1% layers, Ug= 0.5 W/(m2/K)
Thermal insulation Uw
0,79 W/(m²·K)
Solar factor Sw
0,32
Light transmission Tlw
47 %
AEV configuration (Air Water Wind)
Window 1 leaf OB, L1350 x 1700 mm
Joinery air tightness
A*4
Joinery watertightness
E*9A
Joinery wind resistance/deformation
V*C3
Technical focus
Innovative architecture and materials
- Widened bar 34mm
- Optimised profile geometry
- Innovative low-density materials that reduce heat transfer
- Infill capacity up to 48mm
A minimum of references
- Only 1 sash/frame gasket and 1 foam to store and assemble
- Versatile metal sheet groove, same clipping on the inside and outside for all finishing profiles, flap, trim and cover gasket
- Flat top frames for different interior insulation thicknesses
Integration into all projects' types
A wide choice of technical installation solutions. Allows easy integration into all types of facades and composite assemblies, both in new builds and renovations, for commercial and residential markets.
- Specific frame and cover strip for renovation
- Several extension jambs adapting to all insulation thicknesses
- Frame for integration into the Univers® 54 and 60 range
- Possible installation types: IWI (interior insulation), EWI (exterior insulation), ITR (monomur), MOB (timber frame)
Test report
Options
| Threshold | Perimeter frame |
|---|---|
| Concealed hinge | Yes 180° |
| Rotation mechanism | Clamped hinge |
| Anti-bilaminar effect | No |
| Draining | Visible |
Downloadable documents
Realizations
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