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Bi-folding Door Series EF1070
Bi-folding Door EF1070.pdf


Frame depth 70mm (2 3/4"), thermal break of PA66 in 30mm (1 3/16").   Overall prime frame depth can extend up to 170mm (6 11/16").


Sash depth 80mm (3 1/8"), thermal break of PA66 in 30mm (1 3/16"). Visible width 102mm (4"), overlap a portion with frame.


Powder coating and anodized are available.


Standard colors are white and black, other colors are available. Exterior color can be different from interior color.


Soft-hard extruded EPDM for all the gaskets.


Standard glazing option:

Overall thickness 5+12+5+12+5=39mm, Triple 5mm Clear Tempered Glass, Double 12mm Argon Filled, Low-E Coating, Warm-Edge Spacer, 3A Molecular Sieve.

Other options:

6+12+6+12+6=42 mm

6+16+6=28 mm

8+16+8=32 mm

10+16+10=36 mm

Laminated glass, privacy glass, and tint

glass are available


Open outward or inward; One-click handle; Visible hinges.


Retractable folding screen optional.


Product designation                                              Class CW-PG60-DASHD

Operating Force (ASTM E2068)                           Sach operation 10 N (2.2 lbf)

                                                                              Lock operation 20 N (4.2 lbf)

Air Leakage Resistance (ASTM E283)                 Pressure differential - 75 Pa (1.60 psf)

                                                                              Infitration rate <0.1 L/s/m2 (<0.01 cfm/ft2)

                                                                              Exfitration rate <0.1 L/s/m2 (0.01 cfm/ft2)

Water Penetration Resistance (ASTM E547)        Pressure differential - 540 Pa (11.28 psf)

                                                                              No leakage or trapped water

Uniform Load Deflection (ASTM E330)                Pressure differential - 2880 Pa (60.15 psf)

                                                                              Span of 2500 mm (98 3/8")

                                                                              Positive deflection - 2.18 mm (0.086")

                                                                              Nagative deflection - 0.01 mm (0.001")

                                                                              No damage observed

                                                                              (Pass maximum allowable 1/175 of span)

Uniform Load Structural (ASTM E330)                 Pressure differenial - 4320 Pa (142.9 psf)

                                                                              Span of 1356 mm (53 3/8")

                                                                              Positive residual deflection - 0.11 mm (0.005")

                                                                              Negative residual defelction - 0.17 mm (0.007")

                                                                              No damage

                                                                              (Pass maximum allowable 0.3% of span)

Forced-entry Resistance (ASTM F588)                F40 rating

U-Factor                                                               1.48 W/m2·K    or 0.26 Btu/h·ft2·F   

                                                                              (On standard glazing option)   

Solar Heat Gain Coefficient                                  0.22 (On standard glazing option)

Visible Transmittance                                           0.15 (On standard glazing option)

Condensation Resistance                                    66 (On standard glazing option)

  • Recommend to use in residential and low-rise commercial properties

  • Alvailable in double and triple glazed

  • Good insulation performance to be used in exterior

  • Compatible with curtain wall and window wall systmes

  • Bottom running and top running are available

All Products  >  Bi-folding Door   >  Series EF1070

Enerfrees Window and Wall Systems Ltd.

Address: 6 Denison Street, Markham, Ontario, Canada L3R 1B6
Telephone: 1-905-604-5118           Toll free:1-800-678-1118