Narrowest Stiles with Superior Thermal 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 best for your project, performance when closed needs to be considered.

All Climate Performance
NanaWall products are NFRC rated and certified for true energy efficiency in all climates.

Certified Testing Standards
NanaWall products endure the latest AAMA testing standards for air, water, structural, and forced entry.

Sustainable Design
NanaWall products contribute to multiple LEED rating systems and potentially several credit categories.
Air, Water, Structural, Thermal, Forced Entry & Acoustical Results
Higher Weather Performance (Raised) Sill - SL80-81
Type of Test | Inward Opening Units |
Outward Opening Units |
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---|---|---|---|---|---|---|
Air Infiltration 3EN 1026 Windows and Doors - Air Permeability in ft3/min./ft |
Class 4@ 2.1 psf (75 Pa): .03 @ 6.24 psf (300 Pa): .06 (0.30 L/s/m2) |
Class 4@ 2.1 psf (100 Pa): .04 @ 6.24 psf (300 Pa): .08 (0.40 L/s/m2) |
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Water Penetration 3 *EN 1027 Windows and Doors - Water Tightness (Water spray rate at 60% of ASTM rate) |
Class 9ANo uncontrolled water entry |
Class 9ANo uncontrolled water entry |
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Structural Load Deflection1ASTM E-330: pass See design windload charts for other sized panels. Note that the structural test pressures were 50% higher than the design pressures. (Based on intermediate sill testing) |
design pressure
|
design pressure
|
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Forced Entry Resistance 1AAMA-1304 |
In accordance with AAMA -1304 requirements with option of PAS24 Certified |
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Life Cycle Performance3EN 1191 Windows and Pedestrian Doors - Mechanical Durability |
Class 3 |
Class 3 |
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The SL80-81 meets the German “DIN EN 1191/12400 Classification,” where a unit is tested after 10,000 opening and closing cycles and is still functional. |
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Acoustical Performance 3 |
The SL80/81 with STC 47 insulated laminated glass achieved a unit STC of 45. The SL80/81 with STC 38 insulated glass achieved a unit STC of 38. |
1 Above is a series of test results, conducted in Germany, on the SL80/81 Folding Panel System in accordance with European Standards. Four Panel Unit 4000 mm (13'1") wide x 2700 mm (8'10") high; Please note that European water test is water spray at the rate of about 60% of the ASTM E 547 and ASTM E-331 water spray rate.
2 Excerpts of results of 13’1” W x 8’6” H (4000 mm x 2600 mm) 4 panel unit with hybrid sills tested by Architectural Testing, Inc., Fresno, CA, an independent testing laboratory in October 2015 per AAMA/WDMA/CSA 101/I.S.2/A440, NAFS - North American Fenestration Standard.
* Water rating may not be applicable for configuration not tested, especially even panels and even panels configurations.
Thermal Performance |
Rated, certified and labeled in accordance with NFRC 100 + 200, but no longer certified and labled |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
inward opening units | outward opening units | |||||||||
Type of Glass (1 lite)4 | Center of Glass U-Factor | IG Glass Thickness | Unit U-Factor | SHGC5 | VT6 | 2015 Energy Star | Unit U-Factor | SHGC5 | VT6 | 2015 Energy Star |
Double IG Clear (air filled) |
.48 | 15/16” (24 mm) |
.45 | .43 | .45 | - | .45 | .43 | .45 | - |
Double IG Low E (argon filled) | .26 | 15/16” (24 mm) |
.30 | .18 | .33 | * | .30 | .18 | .33 | * |
Double IG Low E (air filled) |
.30 | 15/16” (24 mm) |
.33 | .18 | .33 | - | .33 | .18 | .33 | - |
Triple IG Low E x 2 (argon filled) | .10 | 19/16” (40 mm) |
.22 | .21 | .32 | * | .23 | .21 | .32 | * |
Triple IG Low E x 2 (air filled) | .13 | 19/16” (40 mm) |
.24 | .21 | .32 | * | .24 | .21 | .32 | * |
Notes
4 NFRC simulated U factors of units with a horizontal mullion will have values of .01 to .03 higher than units with no horizontal mullion. Please contact NanaWall for details.
5 SHGC = Solar Heat Gain Coefficient
6 VT = Visible Transmittance
* 2015 Energy Star Qualification Criteria: U-Factor for doors in all climate zones <.30, SHGC <25 in South/South Central zones and <.40 in North/North Central zones. (For guidance only. NanaWall is not a participant of the Energy Star program.)
Call NanaWall (800.873.5673 | 415.383.3148) for U-Factor & SHGC for other glass types.
Hybrid Performance Sill - SL80-81
Type of Test | Inward Opening Units | Outward Opening Units | ||||
---|---|---|---|---|---|---|
Air Infiltration 1ASTM E-283, ft3/min./ft. |
@ 1.57 psf (75 Pa): .03 A3 2 @ 6.24 psf (300 Pa): .09 |
@ 1.57 psf (75 Pa): .08 A3 2 @ 6.24 psf (300 Pa): .15 |
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Water Penetration 1*ASTM E-547 and E-331 |
No uncontrolled water entry1 Subject to the following adaptions of the sill in the field by others;
Please note that due to the varying site requirements and conditions, these sills will not be prepared for drainage by Nana Wall Systems, Inc. If this drainage system is desired, we recommend that qualified professionals construct this system on the project site strictly in accordance with NanaWall instructions with good waterproofing techniques, if drain connections are not made or are not possible, unit may leak with wind driven rain. |
|||||
Structural Load Deflection1ASTM E-330: pass See design windload charts for other sized panels Note that the structural test pressures were 50% higher than the design pressures. |
design pressure
Class SP-PG45, Panel size - 3’ 1” x 8’ 1” |
design pressure
Class SP-PG45, Panel size - 3’ 1” x 8’1” |
||||
Forced Entry Resistance 1AAMA-1304 |
In accordance with AAMA -1304 requirements with option of PAS24 Certified |
|||||
Life Cycle PerformanceEIN 1191 Windows and Pedestrian Doors - Mechanical Durability |
Class 3 |
Class 3 |
||||
The SL80/81 meets the German “DIN EN 1191/12400 Classification,” where a unit is tested after 10,000 opening and closing cycles and is still functional. |
1 Excerpts of results of 13’1” W x 8’6” H (4000 mm x 2600 mm) 4 panel units with hybrid sill tested by Architectural Testing Inc., an independent testing laboratory, in October 2015 per AAMA/WDMA/CSA 101/I.S.2/A440, NAFS - North American Fenestration Standard.
3 For Canada, tested to NAFS-08 or equivalent and CSA A44051-09 (with weep holes installed by others).
* Water rating may not be applicable for configuration not tested, especially even panels and even panels configurations.
Thermal Performance |
Rated, certified and labeled in accordance with NFRC 100 + 200, but no longer certified and labeled |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
inward opening units | outward opening units | |||||||||
Type of Glass (1 lite)4 | Center of Glass U-Factor | IG Glass Thickness | Unit U-Factor | SHGC5 | VT6 | 2015 Energy Star | Unit U-Factor | SHGC5 | VT6 | 2015 Energy Star |
Double IG Clear (air filled) |
.48 | 15/16” (24 mm) |
.45 | .43 | .45 | - | .45 | .43 | .45 | - |
Double IG Low E (argon filled) | .26 | 15/16” (24 mm) |
.30 | .18 | .33 | * | .30 | .18 | .33 | * |
Double IG Low E (air filled) |
.30 | 15/16” (24 mm) |
.33 | .18 | .33 | - | .33 | .18 | .33 | - |
Triple IG Low E x 2 (argon filled) | .10 | 1 9/16” (40 mm) |
.22 | .21 | .32 | * | .23 | .21 | .32 | * |
Triple IG Low E x 2 (air filled) | .13 | 1 9/16” (40 mm) |
.24 | .21 | .32 | * | .25 | .21 | .32 | * |
Notes
4 NFRC simulated U factors of units with a horizontal mullion will have values of .01 to .03 higher than units with no horizontal mullion. Please contact NanaWall for details.
5 SHGC = Solar Heat Gain Coefficient
6 VT = Visible Transmittance
* 2015 Energy Star Qualification Criteria: U-Factor for doors in all climate zones <.30, SHGC <25 in South/South Central zones and <.40 in North/North Central zones. (For guidance only. NanaWall is not a participant of the Energy Star program.)
Call NanaWall (800.873.5673 | 415.383.3148) for U-Factor & SHGC for other glass types.
Low Profile Sill - SL80-81
Type of Test |
Inward Opening Units (based on outswing unit test) |
Outward Opening Units | ||||
---|---|---|---|---|---|---|
Air Infiltration 2ASTM E-283, ft3/min./ft. and NFRC 400 cfm/ft2 |
@ 1.57 psf (75 Pa): .15 A2 |
@ 1.57 psf (75 Pa): .19 A2 |
||||
Water Penetration *ASTM E-547 and E-331 |
1 Unit with weep holes from inner channel; No uncontrolled water entry Subject to the following adaptions of the sill in the field by others;
Please note that due to the varying site requirements and conditions, these sills will not be prepared for drainage by Nana Wall Systems, Inc. If this drainage system is desired, we recommend that qualified professionals construct this system on the project site strictly in accordance with NanaWall instructions with good waterproofing techniques, if drain connections are not made or are not possible, unit may leak with wind driven rain. |
|||||
Structural Load Deflection 1ASTM E-330: pass See design windload charts for other sized panels Note that the structural test pressures were 50% higher than the design pressures. |
design pressure
Class SP-PG40, Panel size - 3’1” x 8’ 1" |
design pressure
Class SP-PG40, Panel size - 3’1” x 8’ 1" |
||||
Forced Entry Resistance 1 |
In accordance with AAMA -1304 requirements with option PAS24 Certified |
|||||
Life Cycle PerformanceEN 1191 Windows and Pedestrian Doors - Mechanical Durability |
Class 3 |
Class 3 |
||||
The SL80/81 meets the German “DIN EN 1191/12400 Classification,” where a unit is tested after 10,000 opening and closing cycles and is still functional. |
1 Excerpts of results of 13’1” W x 8’6” H (4000 mm x 2600 mm) 4 panel unit tested by Architectural Testing Inc., an independent testing laboratory, in October 2015 per AAMA/WDMA/CSA 101/I.S.2/A440, NAFS - North American Fenestration Standard.
2 Excerpts of results of 13’1” W x 8’6” H (4000 mm x 2600 mm) 4 panel unit tested by Intertek, Fresno CA., an independent testing laboratory, in March 2017 per AAMA/WDMA/CSA A440, NAFS - North American Fenestration Standard.
3 For Canada, tested to NAFS-08 or equivalent and CSA A44051-09 (with weep holes installed by others).
Thermal Performance |
Rated, certified and labeled in accordance with NFRC 100 + 200, but no longer certified and labeled |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
inward opening units | outward opening units | |||||||||
Type of Glass (1 lite)4 | Center of Glass U-Factor | IG Glass Thickness | Unit U-Factor | SHGC5 | VT6 | 2015 Energy Star | Unit U-Factor | SHGC5 | VT6 | 2015 Energy Star |
Double IG Clear (air filled) |
.48 | 15/16” (24 mm) |
.46 | .44 | .46 | - | .46 | .44 | .46 | - |
Double IG Low E (argon filled) | .26 | 15/16” (24 mm) |
.31 | .18 | .34 | * | .31 | .18 | .33 | * |
Double IG Low E (air filled) |
.30 | 15/16” (24 mm) |
.34 | .18 | .34 | - | .34 | .19 | .34 | - |
Triple IG Low E x 2 (argon filled) | .10 | 1 9/16” (40 mm) |
.23 | .21 | .33 | * | .23 | .21 | .33 | * |
Triple IG Low E x 2 (air filled) | .13 | 1 9/16” (40 mm) |
.25 | .21 | .31 | * | .25 | .21 | .33 | * |
Notes
4 NFRC simulated U factors of units with a horizontal mullion will have values of .01 to .03 higher than units with no horizontal mullion. Please contact NanaWall for details.
5 SHGC = Solar Heat Gain Coefficient
6 VT = Visible Transmittance
* 2015 Energy Star Qualification Criteria: U-Factor for doors in all climate zones <.30, SHGC <25 in South/South Central zones and <.40 in North/North Central zones. (For guidance only. NanaWall is not a participant of the Energy Star program.)
Call NanaWall (800.873.5673 | 415.383.3148) for U-Factor & SHGC for other glass types.
Flush Sill - SL80-81
Type of Test |
Inward Opening Units |
Outward Opening Units | ||||
---|---|---|---|---|---|---|
Structural Load Deflection1ASTM E-330: pass See design windload charts for other sized panels Note that the structural test pressures were 50% higher than the design pressures. |
design pressure
|
design pressure
|
||||
Forced Entry Resistance 1 |
In accordance with AAMA -1304 requirements with option of PAS24 Certified |
|||||
Life Cycle Performance3EN 1191 Windows and Pedestrian Doors - Mechanical Durability |
Class 3 |
Class 3 |
||||
The Sl80/81 meets the German “DIN EN 1191/12400 Classification,” where a unit is tested after 10,000 opening and closing cycles and is still functional. |
1 Excerpts of results of 13’1” W x 8’6” H (4000 mm x 2600 mm) 4 panel unit tested by Architectural Testing Inc., an independent testing laboratory, in October 2015 per AAMA/WDMA/CSA 101/I.S.2/A440, NAFS - North American Fenestration Standard.
Thermal Performance |
Rated, certified and labeled in accordance with NFRC 100 + 200, but no longer certified and labeled |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
inward opening units | outward opening units | |||||||||
Type of Glass (1 lite)4 | Center of Glass U-Factor | IG Glass Thickness | Unit U-Factor | SHGC5 | VT6 | 2015 Energy Star | Unit U-Factor | SHGC5 | VT6 | 2015 Energy Star |
Double IG Clear (air filled) |
.48 | 15/16” (24 mm) |
.46 | .44 | .46 | - | .46 | .44 | .46 | - |
Double IG Low E (argon filled) | .26 | 15/16” (24 mm) |
.31 | .19 | .34 | - | .31 | .19 | .34 | * |
Double IG Low E (air filled) |
.30 | 15/16” (24 mm) |
.34 | .19 | .34 | - | .34 | .19 | .34 | - |
Triple IG Low E x 2 (argon filled) | .10 | 1 9/16” (40 mm) |
.23 | .21 | .33 | * | .23 | .21 | .33 | * |
Triple IG Low E x 2 (air filled) | .13 | 1 9/16” (40 mm) |
.25 | .21 | .33 | * | .25 | .21 | .33 | * |
Notes
4 NFRC simulated U factors of units with a horizontal mullion will have values of .01 to .03 higher than units with no horizontal mullion. Please contact NanaWall for details.
5 SHGC = Solar Heat Gain Coefficient
6 VT = Visible Transmittance
* 2015 Energy Star Qualification Criteria: U-Factor for doors in all climate zones <.30, SHGC <25 in South/South Central zones and <.40 in North/North Central zones. (For guidance only. NanaWall is not a participant of the Energy Star program.)
Call NanaWall (800.873.5673 | 415.383.3148) for U-Factor & SHGC for other glass types.