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Lap Caulk

Lap Caulk

Lap Caulk


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Available in Black or White
Available in 10.5 oz. tubes

Product Information:

Our EPDM Lap caulk is available in 10.5 oz tubes in both black or white for use in single ply membrane applications such as EPDM or TPO. Standard caulk gun is required for application. Product should not be screed or smoothed after application. This caulk is meant to prevent water infiltration into seams and overlaps prior to the adhesive setting up. Usually 24-48 hours depending on temperature and humidity.

Application Instructions:

Our EPDM Lap Caulk is used when applying splice and/ or bonding adhesives where membrane is overlapped. Prevents initial moisture infiltration before the adhesives are set. Standard caulk gun required for use. Once plastic top is cut you must puncture the tube through the plastic top with a screw driver or long screw or nail to begin application. Do not screed or smooth caulk once applied. All seams that were glued or installed should be caulked at the end of each day.

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Lap Caulk Physical Properties:

Color: Black
Viscosity (eps): 40# .104= 40-45 SEC. Seivers Rheometer
Density (#/GAL.): 9.05#
Solids: 63.14
Flash Point (F): 79F TCC
Base: Synthetic elastomers, resin(s) and filler(s)
Solvent System: Aromatics
Clean-up Solvent: Toluene

Packaging: 10.5 oz. tubes
Storage: May be stored outside if protected from water
Hazards: Flammable. Avoid repeated skin contact or the breathing of concentrated vapors. Use in well ventilated areas away from heat, sparks, fire, flame and ignition sources. Vapors are heavier than air and may travel a considerable distance to an ignition source and flash back. Do not inhale vapors above TLV as listed on the SDS.

Lap Caulk Available in Black or White

Freight Classification: UN1133, ADHESIVE, 3 PGII NMFC# 170060 CLASS 60

Weight-201808-- lbs
Dimensions-201808-- × -201808-- × -201808-- in