Fire Rated Caulks, Water-Tight Sealants, Duct Seal Compound

Nelson Firestop LBS3™ Latex Sealant
From $15.12
Nelson Firestop Sealant (LBS3™) is ideally suited for for firestopping through-penetrationsof non-combustible pipe, insulated pipe and combustible pipe (such as PVC, PEX, CPVC and ABS) in floors or walls. It can applied using a standard caulk gun, bulk loader, or trowel.

STI SpecSeal® Triple S® Intumescent Sealant Tube
Price $17.86
This sealant is ideal for construction gaps and blank openings in walls or floors. Tested and approved for use with metallic penetrants up to 30", SSS can be safely combined with other SpecSeal products.

Nelson Firestop CLK™ Sealant
From $24.73
Rated for up to 4 hours of fire protection, this ready to use silicone-based sealant remains flexible while blocking flame and smoke passage in through-stop penetrations.

3M Fire Barrier 1000 NS and 1003 SL Silicone Sealants
From $12.23
1000 NS (non-slump) and 1003 SL (self-leveling) are both ready-to-use, one component, silicone elastomers. Both cure upon exposure to atmospheric humidity to form a flexible seal.

3M Marine Sealants
Price $18.97
Remains flexible with excellent resistance to the marine environment. Adheres to bare and painted metal, fiberglass, glass, non-oily woods and many plastics and abraded rubbers. Easy to apply with manual caulking gun.

3M Fire Barrier 2000 Silicone Sealant - 4.5 gallon pail
Price $650.00
Ideal for sealing simple penetrations such as around metallic or glass pipes and conduits to control the spread of fire. Helps limit the spread of noxious gas, smoke and water. Maintains the integrity of fire-rated construction.

3M Fire Barrier IC 15WB Sealant
From $8.25
Water Base: Easy clean up, no special handling, routine disposal. Intumescent: Expands when heated to maintain seal around items consumed by fire. Available in tube or 4.5 gallon pail.

Abesco FP Fire Rated Expanding Foam
Price $23.45
A fire rated polyurethane expanding foam designed to prevent the spread of fire and smoke from one compartment to another through gaps and voids of fire rated walls or floors.

IDEAL Industries Duct Seal Compound
From $4.11
Perfect for sealing odd-shaped gaps on and around electrical boxes, flashing, ductwork, pipes and more, this ultra-pliable, non-toxic sealant won't harm plastics or metal, and can be safely handled without gloves.

Gardner Bender Duct Seal Compound
From $3.74
Designed to seal air, dust, and contaminants out of electrical boxes, conduit and cable tray, this ever-flexible compound never hardens, and can be remolded at any time, without tools.

Nelson FSP™ Firestop Putty
From $9.69
Ready to use right out of the box, this hand-moldable putty provides 3 hours of firestopping for pipe, cable, and ductwork penetrations, and can be reworked at anytime.

STI SpecSeal® SSP Putty
Price $35.53
An excellent product for retrofit jobs and cabling that call for a firestopping sealant. It is easy to apply and meets the highest quality standards. This 36 cubic inch bar is all you need for metallic conduits, telephone, data or electrical power cable penetrations as well as a variety of sleeved and non-sleeved applications.

FireDam™ Spray 200 or 3M Fire Barrier Spray - 5 gallon
Price $272.37
A faster drying firestop, is perfect for sealing head of wall, floor to wall, penetration seals, and perimeter joints between fire-rated floors (concrete, fireproofed fluted steel decks) and fire-rated walls.

STI® SpecSeal® Flame Retardant Cable Spray
Price $321.35
Ideal for use in conjunction with cable trays and other similar cable support structures, this flame retardant spray creates a protective coating over cable jackets to prevent flame spread and heat damage in the event of a fire.

3M Fire Barrier CP 25WB+ Caulk
From $14.23
A premium elastomeric latex caulk designed for use as a one-part fire, smoke, noxious gas and water sealant. The intumescent property of this material means that as cable or pipe insulation is consumed by fire, CP 25WB+ Caulk expands to maintain the penetration seal.

Abesco CP310 Fire Rated Acrylic Intumescent Caulk
Price $10.77
Designed to seal and prevent the spread of fire from one compartment to another wherever cables, wires, or other services pass thru firewalls and/or floors.