Bonding Adhesives:
Solvent Based
Water Based
Seam Adhesive
Water Cut Off Mastics
Caulk (Paste Sealant)
RPI
WATER CUT OFF/OVERNIGHT SEAL
DATA SHEET
DESCRIPTION:
RPI Water Cut Off/Overnight Seal is a tacky rubber-like compound used as a temporary sealant or water stop. Typically used for the temporary sealing of laps and splices over night.
TYPICAL USES AND CHARACTERISTICS:
RPI Water Cut Off/Overnight Sea] is a gray mastic which cures by solvent evaporation to a
tacky rubber like mass exhibiting excellent water resistance. It is typically used in
roofing applications.
APPLICATION:
To be applied to a clean surface of EPDM in all areas to keep water from entering on short term basis. It may be installed with a caulking gun.
TYPICAL PHYSICAL PROPERTIES
Type: Synthetic Rubber Polymers
Solvent: Heptane
Color: Gray
Solids: 86%+2%
Viscosity: Sievers Rheometer Method (Preferred Method) 15-20 seconds
Viscosity: ASTM D- 1824 @ 2 rpm, 1,600,000 +300,000 cps.
Storage Life: I Year
Coverage: 20 ft. / 10 oz. tube
Flash Point: 130F TCC
Caution: Flammable