Performance when closed matters most
Large openings are easy to design and there are many options to choose from. When deciding on a product that's best for your project, performance when closed needs to be considered.
System Overview
cero [CE Certified, ISO 14001, ISO 9001]
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Visible Profile Width |
1 5/16″ (34 mm) All the Way Around with Recessed Frame |
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Flush Sill / Saddle Sill / |
ADA Wheelchair Compliant |
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Thermally Broken Higher Weather |
ADA Wheelchair Compliant with Optional Insert |
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Running Mechanism |
Floor Supported Technology |
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Daylight / Proportion of Glass |
98% |
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Insulated Glass Thickness |
1 3/16″ - 1 7/16″ (30 - 36 mm) for Double Glazed cero II 1 7/8″- 2 1/8″(48 - 54 mm) for Triple Glazed cero III |
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Maximum Panel Weight |
1,300 lbs.(600 kg) for cero II or 2,200 lbs.(1,000 kg) for cero III |
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Maximum Panel Size (Sliding or Fixed) |
7′ 4 1/2″ (W) x 13′ 1″ (H) (2250 mm x 4000 mm) for cero II 9′ 10″ (W) x 13′ 1″ (H) (3000 mm x 4000 mm) for cero III |
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System Testing |
Double Glazed—cero II with Higher Weather Performance Sill |
Double Glazed—cero II with Flush / Saddle / Hybrid Sill |
Triple Glazed—cero III with Higher Weather Performance Sill |
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U-Value (Rated and Certified NFRC 100) |
.35 - .39 |
.36 - .40 |
.26 - .29 |
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SHGC (Rated and Certified NFRC 200) |
.20 - .47 |
.20 - .47 |
.16 - .39 |
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Static Water Penetration (ASTM E-547 and E-331) 134 |
12 psf (600 Pa) | 8psf (400 Pa) 2 |
6 psf (300 Pa) | 4 psf (200 Pa) 2 |
12 psf (600 Pa) | 8 psf (400 Pa) 2 |
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Dynamic Water Penetration (AAMA 501) 13 |
12 psf (600 Pa) |
12 psf (600 Pa) |
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Air Infiltration | Exfiltration @ 1.57 psf (ASTM E-283) 124 |
0.09 cfm/ft2 | 0.08 cfm/ft2 | A3 |
0.16 cfm/ft² | 0.13 cfm/ft² | A2 |
0.05 cfm/ft² | 0.04 cfm/ft² | A3 |
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Structural Load Deflection (ASTM E-330) 1234 See Design windload charts for other sizes Note that the structural test pressures were 50% higher than the design pressures |
Design Pressure |
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Standard Unit: |
Standard Unit: |
Standard Unit |
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Reinforced Unit: |
Reinforced Unit: |
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Florida Product Approval (non-impact) |
FL38028 |
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FL35024 |
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Forced Entry (ASTM F-842) 134 |
Pass with optional RC2 |
Pass |
Pass with optional RC2 or RC3 |
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Cycle Testing (per DIN 1191/12400) |
40,000 |
40,000 |
40,000 |
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Acoustical Performance (ASTM E-90 and E-1332) 56 |
Tested with: STC 47 glass achieved STC (Rw) 43 and OITC 34 |
Tested with: STC 38 glass achieved unit |
Tested with: |
1 Excerpts of results of four panel unit size 22′ 4″ W x 9′ 10 ″ H (6800 mm x 3000 mm) with varying cross sections by Architectural Testing Inc., Fresno, CA an AAMA accredited and certified independent testing laboratory in March 2017.
2 For Canada tested to NAFS-2011 and CSA A440-11.
3 Excerpts of results of four panel unit size 22′ 4″ W x 9′ 10 ″ H (6800 mm x 3000 mm) with varying cross sections by Architectural Testing Inc., Fresno, CA an AAMA accredited and certified independent testing laboratory in May 2018.
4 Excerpts of results of two panel unit size 14′ W x 10′ H (4267 mm x 3048 mm) with varying cross sections by Architectural Testing Inc., Fresno, CA an AAMA accredited and certified independent testing laboratory in May 2018.
5 Excerpts of results of two panel unit size 11′ 6″ W x 8′ 2″ H (3500 mm x 2500 mm) with varying cross sections by SG Bauakustik, Muelheim an der Ruhr, an EN DIN ISO accredited and certified independent testing laboratory in August 2016.
6 Excerpts of results of two panel unit size 14′ W x 10′ H (4267 mm x 3048 mm) with varying cross sections by Architectural Testing Inc., Lake Forest, CA an AAMA accredited and certified independent testing laboratory in May 2018.
