Group 5.7 Field Testing, Part 1: Air Infiltration and Water Pentration Resistance Flashcards
What are the four main types of water tests performed on facade systems and components.
NAFS - 17 Lab Testing
502 Field Testing
503 Field Testing
511 Forensic Testing
The industry standard specification for windows, doors and skylights as cited in most building codes is _____
NAFS 17.
NAFS 17 is shorthand for what industry standard?
North American Fenestration Standard
/ Specification for windows, doors and skylights.
What are the ASTM standards included in NAFS 17 for each of the following parameters?
Air Infiltration
Water Penetration Testing (2)
Air - ASTM E 283
Water - ASTM E 331/ E 547
Per NAFS, testing is performed….
In a lab, on precisely installed units
On site, on newly installed windows
As part of a forensic investigation.
In a lab, on precisely installed units
Design pressure (DP) is converted into water test pressure for non-architectural grade windows by multiplying by:
2
1.5
.15
.10
.15
Design pressure (DP) is converted into water test pressure for Architectural grade windows by multiplying by:
1.5
2.0
.20
.15
.20
Water test pressure is capped at ___ psf in the U.S. and at ___ psf for Canada.
12 U.S.
15 Canada
Testing at pressures exceeding the design pressure is: A useful performance evaluation Destructive Not recommended - it will generate leaks A common practice in Lab tests.
Not recommended - it will generate leaks
AAMA 502 was originally published in___ (yr) and used in _____ installations.
1990
Commercial, government, schools, etc.
The ASTM documents field test methods for air and water penetration testing, referenced in AAMA 502 are:
ASTM E547 and 283
ASTM E547 and 331
ASTM E283 and 1105
ASTM E783 and 1105
ASTM E783 and 1105
ASTM E1105 cites two procedures, A & B. How do they differ?
Per Procedure A the pressure is applied continuously.
Procedure B includes cyclic pressure.
In ASTM E1105, Procedure a is used for __ Class products.
LC
HC
AW
R
AW - Architectural
Per AAMA 502 the pressure differential chamber is placed on the ____of the product
Interior
Exterior
Interior or exterior
Left or Right
Interior or exterior
Sealing a test chamber to the wall construction in an AAMA 502 test, rather than just to the edge of the window:
Is too broad and is not allowed
Allows evaluation of the entire specimen and perimeter seals
Creates leaks
Is a wall system test, not a fenestration test.
Allows evaluation of the entire specimen and perimeter seals
The default air infiltration rate for field testing is ___times the applicable standard for the product type and performance class.
2
1.5
.20
.15
1.5 times.
The weather conditions, particularly wind influences during the air infiltration (and water penetration) test should be ____
Irrelevant to the test
Considered by the agency
Added to the test pressure
Deducted from the test pressure
Considered by the agency
The testing agency is required to record and make adjustments for ambient conditions. This means providing ____ or postponing the test.
Additional pressure
temporary protective enclosures
reduced pressure
windbreakers
temporary protective enclosures
Field tests should be conducted at a static test pressure ___ the tested and rated lab performance per NAFS.
Two times
half of
equal to
two thirds of
two thirds of
Factory test pressures are adjusted for field testing to account for impacts of:
Hint: ISOE
Installation variables
Shipping/handling impacts
Other trades
Environmental conditions
The adjustment of pressure for field testing by AAMA 502 ___ the selection of other field test pressures, based on project specific conditions.
Encourages
Prohibits
Does not prohibit
Does not prohibit
AAMA 502 references ASTM ____ which provides guidance on establishing the number of test specimens in order to estimate a measure of quality of a production lot with prescribed precision.
E1105
E122
E331
E547
E122
The field test pressure for air infiltration resistance should be ______ the test pressure originally used in the laboratory to achieve performance rating.
Equivalent to
2/3 of
2 times
1.5 times
(AAMA 502 / ASTM E783)
Equivalent to
The maximum allowable air leakage rate based on field testing must not be less than _____ the laboratory performance rating.
Equivalent to
2/3 of
2 times
1.5 times
(AAMA 502 / ASTM E783)
1.5 times
The AAMA 502 Guide specification calls for testing ____ of the fenestration product specimens (unless otherwise specified) after products have been completely installed for air infiltration resistance and water penetration resistance as specified.
All
3
5% of
20% of
3
AMA 502 test specifications should state that the maximum allowable rate of air leakage in the test shall _______the specified cubic feet per minute per square foot (l/s/m2) as stipulated by the field testing specification.
be 2/3 of
not exceed
not be less than
be 1.5 times
not exceed
When a specifier is selecting static water test pressure to be tested at the job site, in no case shall the specified test pressure exceed_______the
rated laboratory performance.
2/3 of
1.5 times
The equivalent o
.20 times
The equivalent of
This does appear to contradict other guidance in this training. Specifies can and do call for an ‘non-derated test pressure” at 100% of the E331/547 rated pressure.
AAMA ____ is used with storefronts, curtain walls
and sloped glazing systems.
503
AAMA ____ is used for testing of storefronts, curtain walls and sloped glazing systems.
511
502
503
800
503
AAMA 503 was originally published in ____
1980
1984
2000
1992
1992
Since 2008, AAMA 503 has defined “newly” installed as ‘prior to issuance of the occupancy permit, not exceeding ____after issuance’.
6 weeks
6 months
1 year
20 days
6 months
If testing of storefronts or curtain-walls is performed more than 6 months after occupancy permit, AAMA ___ applies as the testing standard.
501
502
800
511
511
To comply with AAMA 503, testing must be performed by____
The contractor
an accredited lab
a licensed engineer
the manufacturer
an accredited lab
Field air infiltration testing is__________ for a portion of continuous curtain wall systems (versus “punched openings”) per AAMA 503.
required
prohibited
not recommended
impossible
not recommended
What about continuous curtain wall and storefront systems alter the options and feasibility for performing air-infiltration testing?
The complexity of compartmentalizing the system with air chambers.
Both AAMA 502 and 503 define water leakage as penetration of uncontrolled water _____.
through any part of the frame or through glazing or hardware seals.
in excess of 15 ml. beyond a plane parallel to the innermost surface of the glazing.
around the perimeter of the test specimen or on any visible part of the test specimen beyond a plane parallel to the innermost surface of the glazing.
beyond a plane parallel to the glazing and intersecting the innermost projection of the test specimen.
beyond a plane parallel to the glazing and intersecting the innermost projection of the test specimen.
(not including interior trim and hardware)
Selecting an area as small as 100 square feet of glazing for AAMA 503 testing ______sufficient to provide the information needed. Therefore a reduction in the size of the test area to control testing costs ____ considered.
can’t be, should not be
is always, should be
may be, can be
is more than, shall be
may be, can be
Quiz question 1:
AAMA 502 AND 503 are intended for field testing of “new” windows, defined as:
installed less than 6 months prior
installed less than 1 year prior to testing
still under warranty
installed in a building not yet occupied
installed less than 6 months prior
Quiz question 2:
AAMA 502 allows the test chamber to be installed:
on the interior of the building
on the exterior of the building
on the interior or exterior of the building
on the interior or exterior depending on the expected pressure differential
on the interior or exterior of the building
Quiz question 3:
Ataching and sealing a field tet chamber to the wall construction:
- enables a pressure differential to be maintained across the entire window only
- provides a pressure differential across the window and the perimeter seals
- makes the window more likely to pass testing
- is a safer procedure for testing personnel
provides a pressure differential across the window and the perimeter seals
Quiz question 4:
AAMA 511 is the appropriate procedure to use when:
- The windows have been installed for more than 6 months
- there are known water leaks
- the building occupancy permit has already been issued
- any of the above circumstances
any of the above circumstances
Quiz question 5:
Field water penetration resistance is conducted at a pressure differential ___ the tested and rated laboratory performance.
- 80% of
- 2/3 of
- 50% of
- The same as
- 2/3 of
Did you learn a lot from this?
yes, tons
Sure, I guess
No, not at all
Absolutely it was the most enlightening educational experience in recent memory!
Absolutely it was the most enlightening educational experience in recent memory!
