ENNWALL-70

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Unitized Curtain Wall System

Designed for customization and maximum efficiency. Engineered for high performance and exceptional value.

The ENNWALL-70 unitized curtain wall has features that go beyond a traditional system. Offering proven performance, high efficiency, and tailored design options, our system was created to meet the needs of any project for the highest-level of reliability possible.

Pre-Engineered

Factory assembled in a quality-controlled setting and designed with installation in mind.

In-House Services

Our concept-to-reality service begins at the design table and ends with project commissioning. We work with you every step of the way.

Proven High-Performance

Tailored to meet the performance needs of your project, helping you meet today’s challenging design requirements.

Design & Installation Partner

Designed and built by a seasoned team of professionals with a deep understanding of the challenges faced by our clients.

Features
Specifications
Applications

Pre-fabricated
Standard 3-way adjustable anchoring
Standard stack joints are designed for +/- 3/4” (20mm) of vertical movement
Customizable to meet project needs
The base chassis for the EFI-70 has a mullion face dimension of 70mm (2 3/4”). Both SSG and fully captured systems available.
Seamless design between mullions and transoms
Additional exterior elements can be integrated into the system design. Multitude of infill options can be integrated.

Standard 2 3/4″ wide face dimension. Standard sizes of 4″, 5″, & 8″ backsection depths.

Custom sizing solutions are available based on project requirements.

ENNWALL-70 Tests and Performance Data

Category	Test	Requirement	Results
Air	Air leakage at 300 psf (6.24 psf) as per ASTM E 283	Qinf = 0.1 L/s.m² (0.02 cfm/ft^2)	Qinf = 0.008 L/s.m² (0.002 cfm/ft^2)
Air	Air leakage at 300 psf (6.24 psf) as per ASTM E 283	Qexf = 0.1 L/s.m² (0.02 cfm/ft^2)	Qexf = 0.009 L/s.m² (0.002 cfm/ft^2)
Water	Static water penetration as per ASTM E 331	No water leakage at 15 psf (720 Pa) of static pressure difference	Pass
Water	Dynamic water penetration as per AAMA 501.1	No water leakage at 15 psf (720 Pa) of dynamic pressure	Pass
Structural	Structural service load test as per ASTM E 330 at 1.92 kPa (40 psf)	Aluminum framing span less than 4220 mm (166.14 in): L/175 , Aluminum framing span greater than 4220 mm (166.14 in): L/240 + 6 mm	Pass
	Structural ultimate load test as per ASTM E 330 at 2.9 kPa (60 psf)	No damage or failure observed, permanent deformation does not exceed 2/1000	Pass
	Inter-story lateral drift as per AAMA 501.4 (3 cycles) at 19.1mm (3/4”)		Pass
	Ultimate Inter-story lateral drift as per AAMA 501.4 (3 cycles) at 70 mm (2.75”)		Pass
	Vertical live load differential movement as per AAMA 501.7 (5 cycles) at 19.1mm (3/4”)		Pass
	Concentrated load test on window	Concentrated load test on window washing anchor pull test, the window washer pin and receptor installed on the mock up was subjected to the following individual loads: 2.67kN (600 lbs) – Right 2.67kN (600 lbs) – Left 2.67kN (600 lbs) – Upwards 2.67kN (600 lbs) – Downwards 2.67kN (600 lbs) – Outwards"	Pass
Thermal Cycling and Condensation Resistance Test	Thermal Cycling Test per AAMA 501.4	Three (3) cycles from 85°C (185°F) for summertime conditions to -28°C (-18.4°F) for wintertime conditions at an indoor temperature of 21°C (70°F) with interior relative humidity of 30% ± 5%.	Pass
Thermal Cycling and Condensation Resistance Test	Condensation Resistance Test per AAMA 501.4	During the last wintertime condition cycle, the equilibrium will be maintained for eight (8) hours at -25°C (-13°F) while maintaining interior temperature at 21°C (70°F) and interior relative humidity at 30% ± 5% which equals to 2.8°C (37°F)	Pass (no surface temperatures are below the defined dew point temperature at all locations)

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Innovation without compromise.

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