AAMA 800 Flashcards
What is the performance requirement for racking in narrow-joint seam sealers?
(AAMA 800)
No cohesive breaks or loss of adhesion from flexing a T-shaped assembly, 10 degrees each direction.
How long are narrow-joint seam sealer samples conditioned for racking tests and at what temperature?
(AAMA 800)
4 days at 180 degrees.
How long are narrow-joint seam sealer samples conditioned for water resistance testing and at what temperature?
(AAMA 800)
7 days at 180 degrees, after 6 day cure.
How is water resistance of narrow-joint seam sealers confirmed per AAMA 800?
No voids, cracks, separation or breakdown of the sealant after holding water for 14 days.
Per AAMA 800, how is low temperature flexibility demonstrated for narrow joint seam sealers?
What ASTM Standard is referenced for the test?
No cracks or loss of adhesion in a cold-conditioned sample.
ASTM C734
How is compliance for vehicle migration evaluated in narrow-joint seam sealers per AAMA 800?
What standard is referenced?
No vehicle migration from the compound edge is allowed.
ASTM 2203
What are the allowable slump levels for the two types of narrow joint seam sealers, per AAMA 800?
For 803.3 Type 1 sealers, <0.1 inch
For 803.3 Type 2 Sealers, > 0.1 inch
What is the acceptable threshold for peel adhesion of narrow joints seam sealers?
Is the sample tested before or after water immersion?
90% cohesive failure of 5 lbf/in.
The sample is tested before and after immersion.
AAMA 800 - Narrow Joint Sealer samples are conditioned at ____ deg. for __ days prior to testing for Surface integrity.
180 degrees for 14 days
ASTM C661
AAMA 800 - 803.3 defines two types of Sealers, what are they?
Type 1 - Non-sag <0.1” slump
Type 2 - Self Levelling > 0.1” slump
Narrow Joint Seam Sealers are tested for 8 performance requirements, what are they?
I’ve used the abbreviation NJS in these flash cards.
Hint: Think about visual, tactile assessment, material characteristics and performance, and the most fundamental function.)
Integrity - Surface Integrity Hardness Peel Adhesion Slump Vehicle Migration Flex - Low Temp. Flexibility Water Resistance Racking
Results of an AAMA 800 Expanded Cellular Foam Glazing Tape Peel test are reported in what units?
Lb/ft / inch of tape width.
Per AMA 800, Compression SET in Expanded Cellular Foam Glazing Tape is determined by:
Holding the tape in 25% compression for 22 hours, followed by 24 hour recovery. Final thickness is compared to original thickness to determine the % of compression set.
AAMA 800 - 2.19 - How are the Expanded Cellular Foam Glazing Tape samples conditioned prior to testing?
24 hours each at 32 deg and 120 deg.
In AAMA 800 - 2.18, at what temperatures are Expanded Cellular Foam Glazing Tape samples conditioned for tensile adhesion?
How many samples are tested
3 assemblies tested at each of the following:
1hr at 77
1 hr at 120
1 hr at 32
Total of 9 samples
How many cycles are used to test water penetration performance of Expanded Cellular Foam Glazing Tape per AAMA 800-2.17?
What temperatures and duration are used in each cycle?
20 cycles of 24 hours each consisting of;
4 hrs at -20 deg
4 hrs at 180 deg
16 hrs at 77 deg.
That’s one cycle - repeat 19 more times.
How is the water penetration performance of Expanded Cellular Foam Glazing Tape determined in AAMA 800?
Sample adhered in a u-shape vessel between two pieces of glass then compressed 25%. Water loss from the vessel must be less than 15% for both Type 1
What are the acceptable water absorption levels for Expanded Cellular Foam Glazing Tapes per AAMA 800?
Type 1 tapes: Max 7%
Type 2 tapes: Max 10%
Prior to low temp flexibility test, the samples of Back-bedding mastic-type glazing tapes and Expanded Cellular Foam Glazing Tape are heated to what temperature for how long?
180 degrees for 14 days.
AAMA 800: What is the process for water absorption testing of Expanded Cellular Foam Glazing Tape?
Submerge in water for 3 minutes in a vacuum chamber.
What are the temperatures used for the low temperature flexibility tests of
BBMTGT
and
Expanded Cellular Foam Glazing Tape
7 deg
and
0 deg
Low Temperature flexibility of ECFGT is tested at what temperature?
0 Deg. F.
How is Compression deflection of Expanded Cellular Foam Glazing Tape tested per AAMA 800?
Test A. Tape is compressed between two plates to a thickness reduction of 25%. The amount of load required for this is recorded and used to calculate force/area.
Test B. Compressive force is calculated again after the compression is held for 60 seconds.
Compression deflection in Expanded Cellular Foam Glazing Tape is defined by AAMA 800 as;
How well the tape accepts compression without permanent deformation.
Expanded Cellular Glazing Tapes are tested based on 6 criteria per AAMA 800, what are they?
Compression and Compression Set Low Temperature Flexibility Water Absorption Water Penetration Tensile Adhesion Peel Adhesion
In AAMA 800, Expanded Cellular Glazing Tapes are divided into two types. Define them:
Type 1, used as a primary seal
Type 2, used as a secondary seal with a full bead of wet-sealant.
Per AAMA 800, what ASTM standard is referenced for visual screening of Back-bedded, mastic-type glazing tape.
ASTM C772
What are the temperature and duration of aging required for basic visual screening of Back-bedded, mastic-type glazing tape?
21 days at 77 deg. (room temp)
21 days at 180 deg
21 days under sun lamp at 140 deg.
What ASTM Standard is referenced in AAMA 800 for evaluation of vehicle migration?
ASTM E2203
Maximum vehicle migration in Back-bedded, mastic-type glazing tape? allowed per AAMA 800 is:
No migration over 1/8” beyond the compound edge.
Per AAMA 800, what is the limitation for sag in Back-bedding mastic-type glazing tapes (BBMTGT)? What standard is referenced?
Maximum 1/16”
ASTM D2202
AAMA 800: What is the maximum increase in Shore “A” hardness for all types of back-bedding mastic type glazing tapes after heat aging?
20%
AAMA 800: What is the maximum Shore A hardness for back-bedding mastic type glazing tapes?
80 max for 804.3 and 806.3
807.3 must be less than 80.
Back bedding mastic type glazing tape samples must exhibit a yield strength of __ psi before and __ psi after 14 days of heat aging at 180 degrees
6 psi, both before and after heat aging.
AAMA 800 hardness test for Back Bedding mastic type glazing tapes, calls for heating two samples. How long and at what temperature
Both for 21 days,
one at room temp (77) and the other at 180 degrees.
What does the AAMA 800 Surface integrity test require?
Visual screening, revealing no surface cracks, loss of bond, staining or vehicle migration after exposure to 180 degrees F.
AAMA 800: Back bedding mastic type glazing tapes are tested for 6 criteria. what are they
Surface Integrity Hardness Yield Strength Sag Vehicle migration Basic visual Screening
Back Bedding Mastic Type Glazing Tapes are defined by AAMA 800 in 4 movement types. What are they?
Moderate movement (Type 804.3) Limited movement, with pressure from gaskets and frame designs (Type 806.3) Maximum movement (Type 807.3)
and the fourth is ????
Hot applied Back Bedding Sealants are subject to the same, or different requirements as for back bedding compounds.
The same requirements apply.
How long is a sample heated and at what temperature for the first part of the AAMA 800 wet-adhesion test?
7 days, at 180 degrees F.
Summarize the wet adhesion test in AAMA 800:
Heat for 7 days at 180 degrees, immerse for 14 days - no visible voids, cracks or breakdown allowed.
AAMA 800 pertains primarily to_____ of the materials assessed and categorized.
Proper specification and installation
Field tests and quality control
Lab tests and minimum performance requirements
Environmental impacts
Lab tests and minimum performance requirements for sealants
AAMA 800 adhesion and aging tests are based on sealant adhesion to what material
CHECK THIS QUESTION - TOO BROAD.
Clear, anodized aluminum.
Per AAMA 800, The four types of sealants used for the manufacture of fenestration products are:
Back-bedding glazing compounds
Back-Bedding mastic glazing tapes
Expanded Cellular Glazing tape
Narrow joint seam sealers
Per AAMA 800 classifications, the two types of sealants used primarily in the installation of a fenestration product include:
Exterior perimeter sealers
Non-drying sealant
Where are ductile back-bedding compound types defined
AAMA 800, section 802.3
What are the two types of ductile back-bedding compounds defined by AAMA 800- 802.3 and how do they differ?
Type 1 has resistance to intermittent water contact
Type II has resistance to extended but not continuous water immersion.
AAMA 800: What are the two peel tests used to evaluate Type 1 and Type 2 ductile back-bedding compounds
Type 1 - Test A, basic peel adhesion test
Type II - Test B - peel testing before and after 7 days of water immersion.
AAMA 800 - 805.2 addresses bonding type bedding compounds, which are:
Compounds that cure relatively hard and stiff, but still permit limited movement without loss of bond.
AAMA 800: Bonding type bedding compounds are divided into two groups. What are they and how are they different?
Group A: Displays adhesive (A) failure in lab tests but provides acceptable field performance
Group C: Displays a high level of cohesive (C) failure
AAMA 800: Back Bedding Glazing compounds are testing by 8 primary criteria, what are they:
Hardness Thin Film Integrity Adhesive Bond Strength Lap shear Test Slump Vehicle Migration Low Temperature Flexibility Wet adhesion
AAMA 800: How is sealant hardness tested?
Using a Durometer apparatus as defined in ASTM C661
AAMA 800; How is sealant Thin Film integrity evaluated?
Visual inspection to assure there are no voids after extended heat exposure.
AAMA 800: How is adhesive Bond Strength evaluated
Peel adhesion test per ASTM C794
802.3 (Ductile Back Bedding Sealants) must meet what peel adhesion test requirement for the two types?
Type 1 - Minimum 90 cohesive failure of at least 5/lb force/in of width. (Test A)
Type 2 - Same requirement, after 7 days immersion in water. (Test B)
805.2 Bonding type bedding compounds) must meet what peel adhesion test requirements for the two types? What pull strength is specified?
Type A, 90% or less cohesive failure
Type B, more than 90% cohesive failure.
Both of at least 12.5 lb/foot/ inch of width.
805.2 Back bedding compounds group A & C are sometimes evaluated using this alternative adhesion test:
Lap shear test per ASTM C961.
How many samples are prepared for testing per ASTM C961 for the AAMA 800 lap shear test:
5 sets of 5 samples each - 25 samples
What is the minimum pull test pressure for lap shear tests for both Type A and Type C back-bedding compounds?
30 psi
AAMA 800, evaluates low-temperature flexibility per ASTM C734 which calls for heating the subject to what temperature and for what duration, followed by cooling to what temperature, for how long, prior to bending and inspection.
180 degrees for 14 days
7 degrees for 24 hours.
