Specification

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Description
Tri-Ply
®
#75 Base Sheet is a
premium roofing base sheet
constructed with a strong glass
mat that is coated on both sides
to ensure a closed-sheet design
to prevent asphalt bleed-through.
The sealed sheet also serves as
an effective flame retarder for
the application of torch-applied
modified bitumen membranes.
Uses
Tri-Ply
®
#75 Base Sheet is engi-
neered for use in the construction
of Tri-Ply
®
built-up and modified
bitumen roofs. It is suitable for
nailable specifications, such as
plywood, where bleed-through is
a concern.
Advantages
•
Extra strength for excellent
nail-holding ability. Superb
tensile strength and resilience
to bleed-through, thereby
reducing risks of splitting
and cracking of membrane.
Advantages (Continued)
•
Dimensionally stable for
improved membrane
performance.
•
Rolls out flat for easy
installation.
Nominal Specications
Roll Size 3 square roll
320 gross sq. ft. (29.7m
2
)
Roll Length 97.5' (29.7 m)
Roll Width 39.4" (1.0 m)
Roll Weight 68 lb. (30.8 kg)
Applicable Standards
Meets ASTM D4601, Type II
FM Approved
UL Listed
Miami-Dade County Product Control Approved
TRI-PLY
®
#75 Base Sheet