C Fold line

extremly large opening options

Thermal insulation Uf
from 1,1 W/(m2K)
Air tightness window
class 4
class 9A
Wind tightness
class A3

C fold line system with Thermal Break specially designed to cover large openings. Its design is distinguished by its versatility. It has a great range of configuration options of up to 14 panels. Capability of outside and inside opening. ADA compliant, allows sill to insert be set in pavement or subfloor, leaving the threshold completely hidden. Additionally, the rollers and wheels may be hidden in close position.

• silent, smooth operation
• open in and open out options
• different types of glazing strips
• multitude of color options, dual color options
• different thresholds options

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  1. high resistance to water & air infiltration
  2. thermal insulation Uw from 0.2
  3. double or triple pane glazing
  4. dual color available
  5. powder coated + seaside paint available
  6. multiple sill profiles
  7. multiple opening/folding options
  8. textured or smooth finish


Maximum glazing thickness
1 3/4 in

Opening possibilities

1 to 14 sashes
Glazing range


2 4/5 inch


2 4/5 inch

Size & Weight Limitations

Maximum size (H×W)

H to 118

W to 47  1/5

Max weight lbs264
Air Permeability
(EN 12207) CLASE 4
(EN 12208) CLASE 9A
Wind load resistance
(EN 12210) CLASE A3
Thermal insulation (Uf)
from 1,1 (W/m²K)
Security Test
(PAS 24): Passed

*Reference test : Balcony 4,00 x 3,00 m. 2 sashes.

**Reference test : 4,00 x 3,00 m. 1 sash + 1 fixed

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