NOTE: If two or more impact resistance requirements
are provided, repeat requirement. Indicate on the
drawings where each requirement applies.
**************************************************************************
a. Class PB Systems: Hemispherical Head Test; 28 day cured specimen
of PB EIFS in accordance with EIMA TM 101.86. The test specimen
shall exhibit no broken reinforcing fabric per EIMA Std 101.86 at
an impact of [_____] J [_____] in/lb.
b. Impact Mass: Test 28 day cured specimen of PM EIFS in accordance
with ASTM E 695. The test specimen shall exhibit no cracking or
denting after twelve impacts by 13.6 kg (30 lbs) lead shot mass
from 150 to 1800 mm (6 in to 6 ft) drop heights in 150 mm (6 in)
intervals.
1.2.3
Sub-Component Requirements and Tests
Unless otherwise stated, the test specimen shall consist of reinforcing
mesh, base coat, and finish coat applied in accordance with manufacturer's
printed recommendations to the insulation board to be used on the building.
For mildew resistance, only the finish coat is applied onto glass slides
for testing. These specimen shall be suitably sized for the apparatus used
and be allowed to cure for a minimum of 28 days prior to testing.
1.2.3.1
Abrasion Resistance
Test in accordance with ASTM D 968, Method A. Test a minimum of two
specimens. After testing, the specimens shall show only very slight
smoothing, with no loss of film integrity after 500 liters (132 gallons) of
sand.
1.2.3.2
Accelerated Weathering
Test in accordance with ASTM G 153, Cycle 1. After 2000 hours specimens
shall exhibit no visible cracking, flaking, peeling, blistering, yellowing,
fading, or other such deterioration.
1.2.3.3
Mildew Resistance
Test in accordance with ASTM D 3273. The
specimen shall consist of the
finish coat material, applied to clean 75
mm by 100 mm (3 inch by 4 inch)
glass slides and shall be allowed to cure
for 28 days. After 28 days of
exposure, the specimen shall not show any
growth.
1.2.3.4
Salt Spray Resistance
Test in accordance with ASTM B 117. The specimen shall be a minimum of 100
mm by 150 mm (4 inch by 6 inch) and shall be tested for a minimum of 300
hours. After exposure, the specimen shall exhibit no observable
deterioration, such as chalking, fading , or rust staining.
1.2.3.5
Water Resistance
Test in accordance with ASTM D 2247. The specimen shall be a minimum of
100 mm by 150 mm (4 inch by 6 inch). After 14 days, the specimen shall
exhibit no cracking, checking, crazing, erosion, blistering, peeling, or
delamination.
SECTION 07240
Page 12
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