ce ro •

[ˇsirō]
noun
The minimal framed large panel sliding glass wall
by NanaWall—simple in form yet engineered to
perfection. Producing clean, uniform, and ultra-thin
lines for maximum light filled spaces that connect
the interior to the exterior.

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CR EAT I VE D ES I G N FR EE D OM

cero—absolute architectural minimalism at its finest—questions

conventional boundaries. With cero, architectural design is
distilled to its purest elements allowing for light, form, material,
space, and nature to speak for itself. Outside and inside
become one.

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A FLO OR-TO - CEI L I N G LE N S TO T H E OU TSIDE

The award-winning cero offers full floor-to-ceiling sliding glass

panels with recessed top and bottom tracks. Produced through
time-tested premium German engineering, cero allows
for maximum transparency with the largest panes of glass
and the most minimal frames offered by NanaWall.

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N AR R OW ST I L ES AN D R A IL S—SY MME T RICA L PICT U RE F RA ME E F F E CT

With cero, the panel’s rails and stiles are uniform with
a consistent 1 5/16" (34 mm) top to bottom, side to side,
achieving a symmetrical and minimalist design.
The result is beautiful sightlines and an impressive
98% glass-to-frame ratio.

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MI N I MAL I ST B EAU T Y—MA X IMA L B E N E F IT

NanaWall’s intelligent approach and innovative use Performance When Closed:

of materials reflects a creative integration of design The true measure of quality
and technology. Each system component embodies
is how an opening glass wall
the unique NanaWall DNA—meticulously designed
performs when closed.
and engineered to offer unparalleled quality and
durability ensuring systems stand the test of time.

• Quality Craftsmanship: German engineered and backed by rigorous • Thermally Broken Energy Efficiency: When closed, the energy-efficient
testing and the highest grade materials. An investment that boosts design keeps the cold on the outside while maintaining warmth inside.
a property’s appeal and value. cero’s frame and Performance and Minimal sills are thermally broken
with the thermal breaks in alignment for maximum efficiency.
• Open and Close with Ease: Easy opening and closing—a NanaWall
hallmark. Single handle, one-handed operation. The panels softly • Combats Air and Water: Specialized seals and panel design provide
and smoothly guide to their open or closed position with no metal superior air and water resistance while the engineering of our sills resist
to metal contact. wind-driven water from entering the home.

• High Wind Resistance: When closed, our glass walls form a refuge against
extreme wind and weather keeping you comfortable and secure.

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U N COMP R OMI S ED R OL LE R SYST E M FOR SU PRE ME PRODU CT PE RFORMA N C E

Engineered Features of the Roller System

• cero II panels with double insulated • A unique Gothic arch wheel bearing
glass have 2 rollers per panel and design provides a 2-point contact
cero III panels with triple insulated of each wheel to the bottom track.
glass have 4 rollers per panel. cero glides with less friction.

• The floor supported cero sliding • To maintain the sleek minimal look,
panels are operated by rollers each roller is concealed within
containing a pair of wheels with the bottom panel profile.
encapsulated and self-lubricating
• Double sided brushes, located in front
ball bearings.
of each roller, remove debris from the
• cero’s stainless steel wheels slide track to contribute to a continuously
effortlessly on a stainless steel track smooth running system.
positioned above the water table,
ensuring durability and ease
of operation.

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 AEST HET I C AN D WEAT H E R-RAT E D SIL L OPT ION S

Performance Sill (cero II and cero III)

PERFORMANCE SILL (CERO II) MINIMAL SILL (CERO II)
• Thermally broken and height adjustable should building movement occur.
• Sill weeping provided by an engineered, cascading water management system.
• Optional aluminum sill inserts offer ADA compliance and
uninterrupted transitions.

Minimal Sill (cero II)

• Thermally broken and shallow for barefoot friendly transitions.
• Provides water management so water does not reach interiors.
• Designed to visually disappear with finished flooring inserts.
• The perfect balance between minimal aesthetics and wind resistance.

Flush Sill for Interiors (cero II)

• Non-thermally broken and very shallow for interior environments.
• Designed to visually disappear with finished flooring inserts.
• ADA-compliant for commercial settings.

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PERFORMANCE SILL (CERO III) FLUSH SILL FOR INTERIORS (CERO II)
 T YP ICA L HO R I ZONTA L A ND VE RTICAL DE TAILS EN HAN CED CI R CL E OF SIG H T B E CAU SE V IE WS A RE N OT A LWAYS E N J OY E D ST RA IG H T ON
4 3 2 1

4 3 2 1
4 4 4 3 3 3 2 2 2 1 1 1
D D 4 3 2 1
C ERO
4
II 3
HORIZONTAL SECTION
2 1
CER O I I
(2DTrack4Shown) 3 2 15/16" 1 5/16" 2 1 5/16" 1 1 5/16" 2 15/16"
D (Profile dependent on structural requirements.)
75 mm 34 mm 34 mm 34 mm 75 mm
1 5/16"
D D D D D D 34 mm

VERTICAL SECTION EXTERIOR EXTERIOR

D
D D
D
1 5/16" 1 5/16"
34 mm 34 mm

EXTERIOR EXTERIOR

C 2 5/16" INTERIOR
6 3/16"
157 mm C B B
75 mm

C 1 5/16" C
C C C 34 mm C C C
5 11/16" 7 3/16" 8 11/16"
144 mm 182 mm 220 mm
C
C C
C
EXTERIOR INTERIOR
EXTERIOR INTERIOR
EXTERIOR INTERIOR
2 1/16"
B 1 5/16" 1 5/16" 52 mm
B
34 mm 34 mm 1/4"
7 mm
INTERIOR
B 1 3/4" B
45 mm 2 5/16"
B B B 75 mm B B 7/8" B
23 mm (For Interior Applications) INTERIOR INTERIOR
6 3/16"
B
B 6 3/16" 157 mm B
B
157 mm 11.5
6 3/16"
157 mm
UNLESS OTHERWISE SPECIFIED: NAME DATE

MINIMAL SILL
A PERFORMANCE SILL FLUSH SILL
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
DRAWN

CHECKED TITLE:
A 26
Cero 2 overview
ANGULAR: MACH BEND

A A
ENG APPR.
TWO PLACE DECIMAL
THREE PLACE DECIMAL MFG APPR.

INTERPRET GEOMETRIC Q.A.

PROPRIETARY AND CONFIDENTIAL UNLESS OTHERWISE SPECIFIED: NAME
TOLERANCING PER: DATE
COMMENTS:
THE INFORMATION CONTAINED IN THIS DRAWN MATERIAL SIZE DWG. NO. REV
A
DIMENSIONS ARE IN INCHES

A
DRAWING IS THE SOLE PROPERTY OF

C
TOLERANCES:
<INSERT COMPANY NAME HERE>. ANY TITLE:
REPRODUCTION IN PART OR AS AUNLESS FRACTIONAL
WHOLE OTHERWISE SPECIFIED:
ANGULAR:
UNLESS OTHERWISE
NEXT ASSYMACH BEND
USED ON
CHECKED
FINISH
SPECIFIED:
UNLESS
NAME OTHERWISE
DATE SPECIFIED:
NAME DATE NAME DATE
UNLESS OTHERWISE SPECIFIED: NAME DATE
WITHOUT THE WRITTEN PERMISSION OF ENG APPR.
<INSERT COMPANY NAME HERE> IS TWO PLACE DECIMAL
DRAWN DRAWN DRAWN
 EX PAN D ED HOR I ZON S W IT H C U STOMIZE D L AYOU TS

R R
R R
R R

cero is available in all typical configurations up to five or more tracks. Wall pockets can be designed to allow the sliding panels to be fully retracted
and out of sight. NanaWall offers design, technical, and installation support to help guide all cero projects.
N N
N N
N N
R R
R R
R R

N N
N N
N N

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D D
D D
D D
D RY G L AZED FOR S EAL DU RA B IL IT Y

Glazing

• cero is available in either double glazed (cero II) or triple glazed

(cero III) options depending on thermal performance needs.

• Panels are dry glazed providing 360° ventilation of the glass.

Dry glazing provides air circulation to keep the pocket cavity dry
and allows any potential water to weep out of the panels.

• Dry glazing with gaskets delivers a more aesthetic presentation

between glass and frame.

• Reduced iron, heat soaked tempered glass with a VLT of 89%

is standard. Other glazing choices include low iron and laminated
glass. All glazing has an option of argon filled double or triple
insulated low-E. Contact NanaWall for additional specialty
glass alternatives.

C E RO II

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H I GH LY S E C U R E LO C K I N G AND H ARDWARE O PTIO NS COMFORT AN D CON VENIE N C E OPT ION S

Multipoint Locking System Stylish Handles Meet Security Integrated Screening for Insect-Free Enjoyment
• With cero, security is provided with multipoint Our stainless steel handles in two A pleated screen option is available for cero configurations that
locking and a flat handle that is integrated finishes are not only functional but slide and meet at the jamb. Sizing for cero II is up to 3' 3" x 11' 6"
into the 1 5/16" (34 mm) vertical profile stile to come in a minimalist aesthetic to (1000 mm x 3500 mm), and cero III is up to 3' 7" x 11' 6"
maintain the clean, minimal appearance. complement cero. (1100 mm x 3500 mm).

• A full 1" (25 mm) throw securely locks the panel

into a top and bottom adjustable +/- 1/4" (5 mm)
locking receiver. Automation for Effortless Control
• For those with higher security concerns, the cero’s optional automation accessory provides effortless operation and
system is able to meet the optional European secure locking with a simple touch of a button. This feature, supplied by
security standards of either RC2 or RC3. others, ensures smooth, safe, and quiet operation with keypads located on
the interior and/or exterior for convenience and peace of mind.
• Optional electromagnetic locking is possible
and compatible with home security systems
and phone/tablet apps for ease of use.

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FI N I S HES OPT I ON S DE SIG N SE RV IC E S

Discover Unparalleled Support and Resources

• Our Dedicated Technical Support and Design Team is here
to assist in detailing large cero openings, planning, ordering,
and optimizing your options.
• Experienced NanaWall Installation Managers and a network
of NanaWall Certified Installers across North America
provide full assistance with installing large cero panels.
• Visit NanaWall.com to explore the possibilities with cero
Standard 50 Finishes with our 3D Configurator. CAD, product specifications,
animations, installation/operational videos, architectural
cero is available in 50 standard colors with over 200 additional colors binder, owner’s manuals, and a complete line of brochures.
available in powder coat and anodized finishes. Custom matched • Trust us to bring your vision to life with precision
colors and simulated wood effects are also available. and excellence.
For accurate color swatch examples, please request our
Powder Coating Finish Options brochure.

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P ERFO RMA N C E C H A RT

Whole Unit
Maximum Maximum Minimal Circle Structural Water Acoustical
Slim Profiles Tracks Open Corner Air Infiltration U-Values  40,000 Cycles
Panel Width Unit Height of Sight Load  Penetration Performance 
and Forced Entry

cero III 9' 10" 15' 1 5/16" 8 11/16" Up to +80/-73 psf

5 or more yes 0.05 12 psf .29 - .31 yes Up to Unit STC 44
Performance Sill (3000 mm) (4550 mm) (34 mm) (220 mm) Pass L/175

cero II 7' 4" 14' 1 5/16" 7 3/16"  Up to +65/-60 psf

5 or more yes 0.09 12 psf .41 - .45 yes Up to Unit STC 43
Performance Sill (2250 mm) (4250 mm) (34 mm) (182 mm) Pass L/175

cero II 7' 4" 14' 1 5/16" 7 3/16"  Up to +35/-30 psf

up to 3 — 0.08 5.34 psf .42 - 46 yes Up to Unit STC 43
Minimal Sill (2250 mm) (4250 mm) (34 mm) (182 mm) Pass L/175

cero II 7' 4" 14' 1 5/16" 5 11/16"

5 or more yes — — — — yes Up to Unit STC 43
Flush Sill (2250 mm) (4250 mm) (34 mm) (144 mm)

cero II and cero III have been independently tested in certified and rated laboratories to US and Canadian standards.  Dependent on structural load requirements.
 Tested with 8 11/16" (220 mm) interlock.
Visit NanaWall.com for additional information and Florida product approval numbers.  Thermal performance is rated, certified, and labeled according to NFRC 100 + 200.
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 Dependent on glass selection.
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Explore our opening glass wall product families: T H E O N E A N D O N LY N A N A WA L L

Folding Glass Walls At NanaWall, design is as much about how it looks as how it works.
For over 35 years, we have been leading the industry in developing
Single Track Glass Walls and refining our opening glass walls to create solutions that visually
harmonize with space, transform the architectural experience, and
Frameless Glass Walls provide decades of enduring performance.

Nana Wall Systems, Inc. 800 873 5673 info@nanawall.com ©2024 NANA WALL SYSTEMS, INC. Nana Wall Systems
reserves the right to change specifications without
100 Meadowcreek Drive #250 415 383 3148 nanawall.com notice. Testing results vary per system. See the NanaWall
Architectural Binder for actual test data. NanaWall and the
Corte Madera, CA 94925 NanaWall logo are trademarks of Nana Wall Systems, Inc.
cero is a registered trademark of Solarlux GmbH. r9-0524