Window Standards Compared: NFRC, ISO and Passive House Ratings
AAMA Window Standards / Specifications (and Ratings, Testing)
Transcript of AAMA Window Standards / Specifications (and Ratings, Testing)
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AAMA Window Standards /
Specifications, Ratings and Testing
Presented by
Wojan Window & Door Corp.
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Wojan Window & Door is a Registered Provider with The
American Institute of Architects Continuing Education
Systems. Credit earned on completion of this program will
be reported to CES Records for AIA members. Certificates
of Completion for non-AIA members are available on
request.
This program is registered with the AIA/CES for continuing
professional education. As such, it does not include
content that may be deemed or construed to be an
approval or endorsement by the AIA of any material of
construction or any method or manner of handling, using,
distributing, or dealing in any material or product.
Questions related to specific materials, methods, and
services will be addressed at the conclusion of this
presentation.
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Copyright Materials
This presentation is protected by U.S. and
International Copyright laws.
Reproduction, distribution, display and use of
the presentation without written permission of
the speaker is prohibited.
© Wojan Window & Door Corp. 2010
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Learning Objectives At the end of this program, participants will be able to:
Examine the evolution of window standards and code references
Identify the North American Fenestration Standard:
(NAFS-08) AAMA/WDMA/CSA 101/I.S.2/A440-08
and Compare it to previous versions (AAMA/NWWDA 101/I.S.2-97, 101/I.S.2/A440-05)
Recognize and apply NAFS-08 to specify product type, performance level and key
performance attributes
Understand what the Architectural Window (AW) performance class is, and
recognize the benefits to clients by contrasting its performance grade with the
other classes
Interpret AAMA 2603, 2604 & 2605 performance requirements for organic finishes,
for use in specs
Apply the concepts of air, water, structural and life-cycle testing to knowledge
about building integrity, soundness and energy efficiency (HSW)
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AAMA/WDMA/CSA
101/I.S.2/A440-08
North American Fenestration Standard/Specification
for windows, doors, and unit skylights
Jointly published by AAMA, WDMA, and CSA
AAMA – American Architectural Manufacturers Association
WDMA – Window & Door Manufacturers Association
CSA – Canadian Standards Association
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Test Reports
At least once every four years,
the manufacturer must retest the product to
verify that the design continues to comply with
the standard’s requirements.
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Wojan windows
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AAMA/WDMA/CSA
101/I.S.2/A440-08
Source: AAMA
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AAMA 440-
Added eight additional materials
Measurement units • Primary: metric (SI)
• Secondary: inch/pound (IP)
Evolution of standards…
AAMA 101-
Covered aluminum, vinyl & wood products
Measurement units • Primary: inch/pound (IP)
• Secondary: metric (SI)
Forced Entry testing became mandatory
97 05
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Evolution of standards… Five previous performance classes (‟97/‟05)
*Listed in order of performance.
Residential/R: Typically one- and two-family dwellings. Light Commercial/LC: Typically low-rise multi-family, offices, motels, libraries and professional buildings
(doctor, dentist, law). Commercial/C: Typically lighter-use industrial, hotels, and retail sales buildings. Heavy Commercial/HC: Typically mid-rise hospitals,
schools, institutions, dormitories, government or public buildings, and facilities where heavy use is expected. Also, commonly used on other buildings with increased loading requirements. Architectural Window/AW: Typically larger institutional or
high-rise / mid-rise buildings to meet increased loading requirements, and buildings where possible misuse of the fenestration products is expected.
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Definitions of Four New (’08) Performance Classes
R: Commonly used in one- and two-family dwellings.
LC: Commonly used in low-rise and mid-rise multi-family dwellings and
other buildings where larger sizes and higher loading requirements are
expected.
AW: Commonly used in mid-rise and high-rise buildings to meet
increased loading requirements and limits on deflection, and in buildings
where frequent and extreme use of the fenestration products is
expected.
CW: Commonly used in low-rise and mid-rise buildings where larger sizes,
higher loading requirements, limits on deflection, and heavy use
are expected.
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Evolution of standards… Test size requirements
AAMA 440-
Hung R Class test size: 40” x 63”
Hung LC Class test size: 44” x 75”
Hung C Class test size: 56” x 91”
Hung HC Class test size: 60” X 99”
Hung AW Class test size: 60” X 99”
05 AAMA 440-
Hung R Class test size: 40” x 63”
Hung LC Class test size: 44” x 75”
Hung CW Class test size: 56” x 91”
Hung AW Class test size: 60” X 99”
08
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Commercial Product Levels -Deletion and Consolidation
AAMA ‘05 (Old) AW (L/175) HC (L/175) C LC R
AAMA ‘08 (New) AW (L/175) CW (L/175) LC R
*Listed in order of performance
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Uniform Load Deflection Test
CW or AW Product
L/175:
Where L is Length of the weakest rail
divided by 175 = Maximum deflection.
Example:
48”/175 = to a maximum of 0.27” (.56%)
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Product Designation System: Previous
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Product Designation System: Previous
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Product Designation System: New ‟08 Format
CW-PG50-H
CW = Product performance class (CW took the place of C and HC)
PG50 = Performance grade 50, designates Design Pressure (DP) of 50
H = Product type is hung window
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Product Designation - New ’08 Format
Source: AAMA
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Main Aspects of Testing (’08)
Air Infiltration : ASTM E 283
Water Penetration:
• ASTM E 331 – AW products
• ASTM E 547 - R, LC and CW products
Uniform Structural: ASTM E 330
Operating Force: ASTM E 2068
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AW, CW, LC & R Comparison of Requirements
* The '05 C rating has been eliminated from this comparison.
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R, LC, CW & AW Comparison: Air Infiltration Testing
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Wojan windows
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Wojan windows
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Wojan windows
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Wojan windows
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Air Infiltration
Source: AAMA
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R, LC, CW & AW Comparison: Water Penetration
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Water Penetration
Source: AAMA
* Per AAMA 502, field water pressure is
allowable at 2/3 of design pressure.
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R, LC, CW & AW Comparison: Uniform Structural
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R, LC, CW & AW Comparison: Other Requirements
Source: AAMA
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AAMA 502
AAMA 502 refers to field testing of
fenestration products and allowable
performance values.
Air Infiltration: Field air infiltration is
permitted to be 1.5 times design values.
Water Penetration: Field water pressure is
allowable at 2/3 of design pressure.
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Architectural Windows
AAMA 910
Life Cycle Testing
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Life Cycle Testing
Required on AW – the most significant difference versus CW product
“To model through…actual performance”
Equivalent to 7 years of everyday use.
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Life Cycle Testing Required for AW
Three Steps of Life Cycle Testing for the
Architectural Window (AW) AAMA rating:
1. TESTING: Testing the Window for Air Infiltration,
Water Penetration, Uniform Structural &
Operating Force.
2. Cycle Test Including MISUSE: Cycles of misuse
and abuse.
3. RE-TESTING: Repeat Air Infiltration, Water
Penetration testing & Operating Force.
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Life Cycle Testing Required for AW
(optional for other classes)
Vent Cycling Testing:
Operating ( 2,500 cycles )
* 1,250 cycles of, Opened and Closed, Locked and Unlocked
* 5 cycles of Misuse and Abuse
* 1,250 cycles of, Opened and Closed, Locked and Unlocked
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Performance Testing
After Life Cycle Testing Required for AW
(optional for other classes)
Repeat Air Infiltration Testing
Repeat Water Penetration Testing
Verify Operating Force
Must pass all or does not achieve AW rating.
.
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Specifying AW Products
When should AW Products be specified?
How are budgets impacted by use of
AW products ?
Are there other factors that should be
considered ?
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Specifying AW Products
For Heavy Use and Durability; Longer Life;
Highest Performance Levels…
They typically Cost More…
Drawback: Aesthetics and other Features
the end user may object to…
Advantage: “Green” –Aluminum has
Recycle Capabilities
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Developing Your Window
Specification
Building location
and mean roof
height
Typical building
usage
Largest window
opening on the
project
Frame Material
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Benefits of Specifying NAFS-08 & AW Grade Windows
Ensures Better Products
Promotes Long Term Performance
Exposes Imposters
Raises Performance Levels
Minimizes Liability
Ensures the Best Products for your application
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Aluminum Finishes
2603 - Organic
2604 & 2605 -Fluoropolymer Based (Kynar)
Anodic (611-98)
Relative Warranties
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AAMA 2603, 2604 & 2605
AAMA has instituted the following new
“Voluntary Specification(s), Performance
Requirements and Test Procedures for
Pigmented Organic Coatings on Aluminum
Extrusions and Panels”
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Finish Warranty
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COMPARISON CHART
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Anodized finishes come in two classes:
• Architectural Class I : 0.7 mil and thicker
anodic coatings
• Architectural Class II: 0.4-0.7 mil coating
Note: There is No Warranty on Anodized Finishes
(Source: AAMA)
AAMA 611-98 Anodized Finishes
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AAMA 611-98 Anodized Finishes
All previous
AAMA Specifications
for Anodized finishes
were replaced by
“AAMA 611-98”
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“Structural” vs. “Energy”
“Commercial” vs. “Residential”
Separate and Distinct Criteria
Carefully Weigh the aspects and how
they relate to the Specific Project Needs
“Longevity and Performance” vs.
“Incentives”
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What Criteria for Energy ? NFRC 100 (U Value) 200 (SHGC) vs AAMA 1503
Frame Material
What is „Test‟ size used in evaluation?
NFRC = 47x59 vs. AAMA =48x72
How many of that size on the building?
Glass Package:
Low E – Hard Coat or Soft Coat
Spacer – Standard or Warm Edge
Air or Gas Filled (Argon/Krypton -
% duration)
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Thank you for your time.
Are there any questions?
Feel free to contact our office or your Local Wojan Sales
Representative for more details or if you have questions.
Wojan Window & Door Corp.
Toll Free: (800) 632-9287
www.wojan.com
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