3M™ Fire Barrier Sealant CP 25WB+ is a one-component, latex-based, intumescent sealant that dries to form a monolithic firestop seal. This sealant also acts as a barrier to airborne sound transmission. As penetrants are exposed to fire, the intumescent property of this material allows the sealant to expand and help maintain a firestop penetration seal for up to 4 hours. This sealant is designed to help control the spread of fire, smoke and noxious gases before, during and after exposure to a fire when installed in accordance with a listed through-penetration or fire-resistive joint assembly system (STC-Rating of 54 when tested in a STC 54-rated wall assembly). 3M™ Fire Barrier Sealant CP 25WB+ firestops blank openings and penetrations passing through fire-rated floor, floor/ceiling or wall assemblies and other fire-rated interior building construction. This halogen-free sealant is capable of expanding a minimum of 3 times its dried volume when exposed to temperatures above 1000°F (538°C). We engineered this sag-resistant sealant to exhibit strong adhesion to a full range of construction substrates and penetrants. Applied with conventional caulking equipment, this gun-grade sealant offers an excellent caulk rate - no mixing is required. In addition, this water-based sealant is paintable as well as re-enterable and repairable, offering easy application and clean-up.

3M™, 7100006311, Fire Barrier Sealant, High Performance, Pail Container, 2 gal Container, Latex/Water Base, Composition: Sodium Silicate, Water, Zinc Borate 2335, Polymer NJTS Reg. No. 04499600-7314, Ethylhexyldiphenyl Phosphate, Iron Oxide, Oxide Glass Chemicals, Polyethylene Glycol, Di-2-Ethylhexlphenyl Phosphate, Polyoxyethylene Monooctylphenyl Ether, Triphenyl Phosphate, 3(2H)-Isothiazolone, 5-Chloro-2-Methyl-, Mixture With 2-Methyl-3(2H)-Isothiazolone, Paste Form, Fire Rating: 4 hr, Red, Negligible Odor/Scent, 40 to 122 deg F, 1.35 Specific Gravity, 7.5 to 8 pH, <=6 g/L VOC, Flammability: 1, 85 psi Tensile Strength

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/3M_051115_11574_Catalog.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/3M_051115_11574_Catalog.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/3M_7000059394_Installation_Manual.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/3M_7000059394_Installation_Manual.pdf
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• Firestop tested for through-penetration applications for up to 4 hr
• Applied with conventional caulking equipment with excellent caulk rate
• Sealant is re-enterable and repairable
• Fire-resistance tested for static construction joint systems
• Sealant helps minimize sound transfer
• Helps prevent fire spread - capable of expanding a minimum of 3 times its dried volume when exposed to temperatures above 1000 degf (538 degc)
• Easy and clean application with no mixing required and sag-resistant properties, it is simple to apply and doesn't make a mess
• Use in accordance with ul systems not designed for applications with continuous exposure to extreme temperatures, such as chimneys
• Excellent adhesion to a variety of materials - engineered to exhibit strong adhesion to a full range of construction substrates and penetrants
• Sound damping - acts as a barrier to help minimize sound transmission
• Building code compliance - seals openings through fire barriers where mechanical services pass through