water penetration and air leakage testing of flanged...
TRANSCRIPT
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Water Penetration and Air Leakage Testing of
Flanged Window Details
T. Brown, J. Posenecker, K. Simon
BES/Terracon and JE Dunn Construction
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Air Barrier Association of America (ABAA) 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.
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Why????
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Relevant Standards and Guidelines:Installation
• AAMA 100-07 Standard Practice for the Installation of Windows with Flanges or Mounting Fins in Wood Frame Construction
• Section 1.1 “This standard practice covers…no more than 3 stories in height.”
• AAMA 2400-10 Standard Practice for Installation of Windows with a Mounting Flange in Open Stud Frame Construction for Low Wind/Water Exposure
• Section 1.1 “This practice covers…residential buildings of no more than four (4) stories in height.”
• ASTM E2112-07 Standard Practice for Installation of Exterior Windows, Doors, and Skylights
• Section 1. “This practice covers…as used primarily in residential and light commercial buildings.”
• DuPont Flashing Systems Commercial Installation Guidelines, 04/09
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Relevant Standards and Guidelines: Air Leakage Testing
• AAMA/WDMA/CSA 101/I.S.2/A440-08 NAFS Specification for windows, doors, and skylights• Table 1: AW Performance Class, Minimum PG 40
• ANSI/NFRC 400-2014 Determining Fenestration Product Air Leakage• Section 4. “ASTM E283 shall be the only method used to measure product air leakage rates…A
differential static pressure of 300 pascals (6.24 psf) shall be acceptable if the NAFS is used for products obtaining an HC or AW rating.”
• ASTM E 283-04(2012) Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen
• ASTM E 783-02(2010) Standard Test Method for Field Measurement of Air Leakage Through Installed Exterior Windows and Doors
• ASTM E2357-17 Standard Test Method for Determining Air Leakage of Air Barrier Assemblies
• Section 9.1.1 “…in accordance with ASTM E283”
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Relevant Standards and Guidelines: Water Penetration Testing
• ASTM E 331-00 Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference
• ASTM E 547 Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Cyclic Static Air Pressure Difference
• ASTM E1105-15 Standard Test Method for Field Determination of Water Penetration of Installed Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform or Cyclic Static
Air Pressure Difference
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From Cascadia Windows and Doors Presentation page 18
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MockupsDiagram
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Mockup #1E2112 Method “A1”No foam/sealant
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Mockup #2E2112 Method “B1”No foam/sealant
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Mockup #3E2112 Method “A1”With foam
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Mockup #4E2112 Method “B1”With foam
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Mockups #5, #6E2112 Method “A1” and “B1”With Backer Rod & Sealant(not yet built)
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Mockup Construction
A little of this:ASTM E2112-07 Standard Practice for Installation of
Exterior Windows, Doors, and Skylights
And a little of this:DuPont Flashing Systems Commercial
Installation Guidelines, 04/09
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MockupConstruction
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Window“Blanks”
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I-Cut
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Sill Flashing
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FlangeSealant
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Window“Blank”Installation
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Sealant“Bleed-Out”Visible
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Controversy at the head…
Controversy at the sill…
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PressureChambers
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Air Leakage Testing
ASTM E 783-02(2010) Standard Test Method for Field Measurement of Air Leakage Through
Installed Exterior Windows and Doors
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Manometer(inchesof water)
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AirflowMeter(cfm/sf)
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Full Isolation
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“Blank” Isolation
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NoIsolation
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Water Testing
ASTM E1105-15 Standard Test Method for Field Determination of Water Penetration of Installed Exterior Windows, Skylights, Doors,
and Curtain Walls by Uniform or Cyclic Static Air Pressure Difference
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WaterTesting
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WaterTesting
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WaterTesting
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WaterTestingwoes…
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Results
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Description Mockup
Air Test 1 E283 at 300 pa fully covered w/ plastic
Air Test 3 E283 at 300 pa blank covered
Air Test 4 E283 at 300 pa fully open
Air Leakage Thru Blank (#4 - #3)
Air Leakage Thru Specimen (#4 - #1)
E2112 Method "A1" no foam 1 9.9 32 14.9 40.8 15.0 41 0.1 0.2 5.1 9
E2112 Method "B1" no foam 2 14.2 34 15.8 36.8 15.9 36.8 0.1 0.0 1.7 2.8
E2112 Method "A1" with foam 3 14.7 30.1 16.0 30.4 16.1 30.5 0.1 0.1 1.4 0.4
E2112 Method "B1" with foam 4 17 28.5 17.0 28.4 17.1 28.4 0.1 0.0 0.1 -0.1
cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm
Air Leakage Testing Results
tests performed
on Feb. 21, 2018
tests performed
on Feb. 23, 2018
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Water Testing Results
Description Mockup
Water Penetration Test E1105 (cyclical) at 10 psf
E2112 Method "A1" no foam 1Water observed at approx. 10 seconds, right sill corner
E2112 Method "B1" no foam 2Water observed at approx. 9 minutes, right sill corner
E2112 Method "A1" with foam 3Water only observed permeating thru plywood at
approx. 9 minutes (INCONCLUSIVE)
Attempted two more tests, but immediate leakage thru plywood. Second test painted plywood exterior, but did not stop water (INCONCLUSIVE)
E2112 Method "B1" with foam 4
Test #1 - water observed between blank sealant at approx. 9 minutes (INCONCLUSIVE)
Test #2 - water observed at both sill corners only after testing complete and chamber was removed
tests performed on
March 1, 2018
tests performed on
March 7, 2018
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Next Steps
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LessonsLearned
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Next Steps
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What are we not testing/accounting for?
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Does it make a difference?
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Code air leakage: 0.4 cfm/sf at 75 pa (…we tested at 300 pa…)
PHIUS+ 2018 Standard: 0.05 cfm/sf at 75 pa
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Trevor Brown, LEED AP BD+C
John A. Posenecker, PE
Keith A. Simon, AIA, CPHC, LEED AP