| Product
Description
Basic Use:
Fiberweb 300 is a durable, lightweight and easily formed
metal flashing. It is impervious to moisture penetration;
not affected by caustic alkalis found in concrete and
mortar mixes since the metal is encapsulated between
layers of polyester film; has longevity of 75 years
or more.
Composition and Materials:
Fiberweb 300 is a lamination of metal encapsulated in
between layers of polyester film and reinforced with
fiberglass scrim; fiberglass adds tear and tensile resistance
during installation; average finished thickness is 7
mils.
Sizes:
Fiberweb 300 is available in widths of 12", 16",
18", 20", 24", 36", and 48".
Custom sizes over 48" are available with a 4-6
week lead time. Standard length is 300 lineal feet per
roll.
Tape:
Fiberweb Tape is the same polyester film as in the flashing.
When used to repair a puncture, it will restore the
integrity of the flashing to its physical properties.
2" x 108 lineal feet per roll.
Applicable
Standards:
Fiberweb 300 conforms to the requirements of the following
specifications:
Army Corps of Engineers
CEGS-07600
Navy Corps of Engineers
MIL-I-'631 D '
MIL-Y-1140H
MIL-P-14591
C (MR)
HH-C-466b
Technical
Data:
"Mylar" polyester film is made from polyethylene
terephthalate, the polymer formed by the condensation
reaction of ethylene glycol and tereph¬thalic acid.
Its unusual balance of properties enables it to serve
specific engineering functions as a physical barrier
in protective coatings, as a thermal barrier, as a structural
barrier and as an electrical barrier.
"Mylar" contains no plasticizers and does
not become brittle with age at its normal operating
conditions.
Test Performed:
Moisture Vapor Transmission . Tensile
Puncture Resistance
Mullen Burst
Elongation
Cold Temperature Flex
Asphalt Exposure
Results:
Moisture Vapor Transmission ASTM E 96 Procedure
E
0.0064 Perms
Tensile Strength (lbs/1 inch width) ASTM
D 828
93.6 Machine Direction
83.8 Cross Machine Direction
Tensile Strength (psi)
ASTM D 828
8320 Machine Direction
7200 Cross Machine Direction
Puncture Resistance, Beach Units
ASTM D 781
94
Tear Strength (Mullen Burst)
ASTM D 751
164.9 Ibs/inch
Tear
Resistance
ASTM D 1 004-66
1222 Ibs/inch Machine Direction
1631 Ibs/inch Cross Machine Direction
Elongation
ASTM D 412-68
5%
Cold Temperature Flex
1/8" Mandrel @ 180 Degrees @ -100 Degrees of
1/16" Mandrel @ 180 Degrees @ -100 Degrees of
No cracking or peeling
Asphalt Exposure
30 Days @ 160 Degrees of
No change
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