cero Performance

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]

Visible Profile Width

1 5/16” (34 mm) All the Way Around with Recessed Frame

Flush Sill / Saddle Sill /
Flush Saddle Hydrid Sill

ADA Wheelchair Compliant

Thermally Broken Higher Weather
Performance Sill

ADA Wheelchair Compliant with Optional Insert

Running Mechanism

Floor Supported Technology

Daylight / Proportion of Glass

98%

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

Maximum Panel Weight

1,300 lbs.(600 kg) for cero II or 2,200 lbs.(1,000 kg) for cero III

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

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

U-Value (Rated and Certified NFRC 100)

.31 - .39

.32 - .40

.26 - .29

SHGC (Rated and Certified NFRC 200)

.20 - .47

.20 - .47

.16 - .39

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
(Tested with U-channel on the inside)

12 psf (600 Pa) | 8 psf (400 Pa) 2

Dynamic Water Penetration (AAMA 501) 13

12 psf (600 Pa)

 

12 psf (600 Pa)

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

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

Florida Product Approval + Impact

Design Pressure

Standard Unit:
+/- 35 psf (1680 Pa)
Pass L/175 Requirement

Standard Unit:
+/- 35 psf (1680 Pa)
Pass L/175 Requirement

Standard Unit
+/- 40 psf (1920 Pa)
Pass L/175 Requirement

Reinforced Unit:
+ 65 psf (3120 Pa) - 60 psf (2880 Pa)
Pass L/175 Requirement

 

Reinforced Unit:
+ 80 psf (3840 Pa) - 73 psf (3500 Pa)
Pass L/175 Requirement

In Progress

 

In Progress

Forced Entry (ASTM F-842) 134

Pass with optional RC2

Pass

Pass with optional RC2 or RC3

Cycle Testing (per DIN 1191/12400)

40,000

40,000

40,000

Acoustical Performance (ASTM E-90 and E-1332) 56

Tested with: STC 47 glass achieved STC (Rw) 43 and OITC 34

Tested with:
STC 50 glass achieved unit
STC (Rw) 43 and OITC 34

STC 38 glass achieved unit
STC (Rw) 33 and OITC 29

Tested with:
STC 50 glass achieved STC (Rw) 44 and OITC 35

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.