TAMKO Moisture Guard Plus - Manual (Page 3)

ADVANTAGES
• Mineral surfacing provides enhanced skid resistance.
• Strong fiberglass reinforcement for added stability during installation.
• Flexible SBS modified asphalt helps seal around nails to prevent water penetration.
• Split release film for easier installation.
• Meets ASTM D 1970.
• High temperature resistance up to 250° F.
• Can be left exposed for up to 90 days before application of finished roof.
• ICC-ES ESR-1252
• UL Prepared Roofing Accessory
• Florida Building Code Approval # FL 1481
DESCRIPTION
MOISTURE GUARD PLUS ® Underlayment is a self-adhering, fiberglass reinforced, modified bitumen sheet
membrane with a mineral surfacing and a removable release film on the adhesive side.
PRODUCT DATA
**All values stated as nominal. 1 square equals 100 sq. ft.
JP58652 04/19/13
MOISTURE GUARD PLUS ®
Ice & Rain Protective Underlayment
USES
TAMKO MOISTURE GUARD PLUS Underlayment is well suited for use as an underlayment where prevention of
water penetration is required prior to installation of the final roof system and as secondary protection against water
penetration after installation of the roof system, including protection against wind blown rain and ice damming.
Accepted for use on roof decks, along rake and eave edges, valleys and ridges, and around chimneys, dormers,
vents, and skylights. Provides an extra layer of protection under most types of roofing, including tile, wood shake,
asphalt, slate, or composite shingles. It is not recommended for use under metal roofing.*
TYPICAL PHYSICAL PROPERTIES
Property Test Method Typical Value
Tensile Strength, Membrane MD ASTM D 1970 31 lbf/in.
Tensile Strength, Membrane CD ASTM D 1970 25 lbf/in.
Elongation MD, min (%) ASTM D 1970 18 %
Elongation CD, min (%) ASTM D 1970 18 %
Adhesion to Plywood at 40° F ASTM D 1970 22 lbf/ft width (min.)
Adhesion to Plywood at 75° F ASTM D 1970 31 lbf/ft width (min.)
Thermal Stability, max (mm) ASTM D 1970 0 mm (max)
Low Temp. Flexibility @ -20° F ASTM D 1970 100% Pass
Tear Resistance MD ASTM D 1970 57 lbf
Tear Resistance CD ASTM D 1970 46 lbf
Moisture Vapor Permeance, max ASTM D 1970 0.001 perms (max.)
Sealability around nail ASTM D 1970 100% Pass
Waterproof Integrity after Low Temp. Flexibility ASTM D 1970 100% Pass
Waterproof Integrity of Lap Seam ASTM D 1970 100% Pass
Slip Resistance ASTM D 1970 100% Pass
1 Square 1.5 Square 2 Square
Roll Size 100 sq. ft. 150 sq. ft. 200 sq. ft.
Roll Dimensions 39-3/8" x 30' 5-3/4" 39-3/8" x 45' 8-1/2" 39-3/8" x 60' 11-1/2"
Thickness 55 mils 55 mils 55 mils
Rolls Per Pallet 40 30 25
Pallet Size 37" x 47" 37" x 47" 37" x 47"
LIMITATIONS
• Membrane should not be applied to damp, frosty, unclean or contaminated surfaces.
• Membrane should not come into contact with products containing coal-tar pitch.
• Best applied at temperatures of 35° F and higher.
PRODUCT DATA **
* Use TAMKO TW Metal & Tile Underlayment or TW Underlayment for metal roofing applications.
IMPORTANT: This product features a skid resistant and tear resistant surface. This feature does not serve
as a substitute for following all proper fall protection procedures in accordance with OSHA regulatory require-
ments - including the use of personal fall protection devices when working on a roof. Applicator safety is of
utmost importance.