Firestopping Systems & Devices
Only nationally tested ICBO, UL-Listed and Factory Mutual (FM) approved firestopping products, systems and application designs are applicable to state and local building codes. Atlas Supply’s factory trained firestopping specialist will assure you that the right 3M™ Fire Barrier product, system, or application design is selected for your project. You will find a complete line of 3M Fire Barrier products and materials at any of your local Atlas Supply, Inc. Seattle, Tacoma, Mountlake Terrace, Portland, Spokane and Boise distribution centers.
3M Fire Barrier Latex Sealants – 3M has a variety of Firestop Sealants to meet your needs:
CP 25WB+ and IC 15WB+ are one part, intumescent (expands with heat), water-based latex firestop sealants engineered to provide exceptional adhesive and elastomeric properties for the demanding firestop requirements of Metal and Non-Metallic Pipe, Cable, Sprinkler, Insulated Pipe, HVAC through-penetrations and Construction Joints when subjected to frequent expansion and contraction. These well tested firestop sealants are endothermic (absorbs heat and releases chemically bound water) sealants, are highly thixotropic (does not sag) and are halogen free. They both are tack-free in 10 – 15 minutes and are paintable (best results after a 72 hour cure time). Once cured they both seal against inadvertent water spills. CP 25WB+ is a premium high performance, intumescent sealant. It has a Brownish-Red color and has been tested in systems up to 4 Hours. It may not be used with CPVC Sprinkler Pipe (see IC 15WB+). IC 15WB+ is Yellow in color and is also intumescent. It has been tested in systems up to 2 Hours.
This product CAN be used with CPVC Sprinkler Pipe and is FGG and BM approved! FD 150+ is a non-intumescent, one-component, acrylic latex elastomeric firestop sealant. This sealant has excellent adhesion and is designed primarily for Metallic Pipe and Conduit, Cable and Construction Joints. FD 150+ is manufactured in two colors: Red and Limestone Gray. FB136 Fire Block Sealant is a one-component, halogen free sealant featuring superior adhesion strength. It is a non-combustible draft, smoke and fire-blocking sealant, designed to resist high temperatures and smoke passage in NON-RATED construction. It meets International Residential and Residential Mechanical Codes as well as the NFPA 5000 Draft, smoke and fire-blocking requirements. It is Gray in color.
3M Fire Barrier Silicone Sealants
FB 3000 WT is a Water Tight, premium grade single component neutral cure, non-slumping intumescent silicone sealant. It meets the UL® Water Leakage Test – W Rating – Class 1. It has excellent adhesion, is repairable if re-entered, has excellent weatherability (although not rated for continuous exterior exposure) and meets ASTM G21 for Fungi Resistance. It is widely tested with all of the standard through-penetration applications and blank openings. Once cured, will not allow water to pass, especially welcome in rainy construction climates. Tested to a 3 foot water column over the penetration. This product is Gray with Black flecks. Water Tight 1000 NS & 1003 SL are a non-sag and self-leveling W-Rated, non-intumescent atmospheric cure silicone firestop sealant. These sealants are widely tested to all of the standard through-penetration applications and interior construction joints. This product is Light Gray. 2000+ is a non-intumescent atmospheric cure silicone firestop sealant. It is tested with simple penetrations such as Metallic Pipe & Conduit, Cable and Joints. This product’s limited testing and high price should convince you to use the previously mentioned 3000 WT, or Water Tight 1000 series. It is also Gray in color.
3M Fire Barrier Spray
FireDam™ Spray 200 is a water-based spray that dries to a tough elastomeric coating that allows movement of up to 50% compression, or extension! This non-intumescent coating is used in construction joints such as perimeter joints (Curtain Wall), Head-of Wall and the like. It also is tested as a penetration seal. Applied with a typical airless sprayer, it is normally installed at a 1/8″ depth wet. Its robust formula is freeze/thaw resistant and is sag resistant for product build. Installed correctly the installation will give an STC Rating of 56. Available colors are Red and Dark Gray.
3M Fire Barrier Intumescent Moldable Putty Pads & Stix
MPP+ Pads & Stix are an intumescent synthetic elastomer Putty. The Putty Pad is 1/8″ thick and they range in size from 4″ x 8” to 7″ x 7″ (standard) to 9.5″ x 9.5″. The Stix are in bar form sized 1.6″ square x 11″ long. These products are halogen free, do not dry out, can be re-used and re-entered. Tested for the back of Electrical Boxes and a variety of penetrations. Can be easily hand molded.
3M Fire Barrier Wrap Strips, Restricting Collars & Plastic Pipe Devices
Interam™ Ultra GS Wrap Strip is a highly intumescent, one-part, extremely flexible Wrap Strip. It is packaged in an easy-to-use roll and measures 1/8″ x 2″ x 40′. The longer roll size means less waste in the field. This easily handled material can be cut to size for use in conjunction with the RC-1 Restricting Collar. It can also be used in “tuck-in” applications, especially with its’ thinner profile where the annular space is limited. It is used in all Plastic Pipe applications. FS-195+ Wrap Strip is the original 3M Wrap Strip. It is a one-part intumescent, elastomeric strip with an aluminum foil facing on one side. It measures 1/4″ x 2″ x 24″. Primarily used on Plastic Pipe/Conduit, Insulated Pipe and Cable Bundles. Can be used in conjunction with the RC-1 Restricting Collar to make you own Collars, or in smaller applications, used at a “tuck-in” application. It can be cut-to-fit and is Red-Brown in color. RC-1 Restricting Collar works in conjunction with the above-mentioned Wrap Strips in making a field-made Collar. It is made of 28 gauge steel and packaged in a handy 25′ long roll. It can be cut to fit around the various sizes of Plastic Pipe after the Wrap Strip is installed. Hose Clamps, or Screws (not included) are needed to hold the RC-1 in place around the Wrap Strip. Firebarrier sealant is used for a smoke seal. See the tested assembly document for the proper firestop sealant. Ultra Plastic Pipe Device is a one piece metal collar assembly with Ultra GS Wrap Strip inside. This clam-shell collar is pre-made to fit plastic pipe sizes 1-1/2″, 2″, 3″ 4″ and 6″. Because of the supple Wrap Strip, no further firestop sealant is needed, saving time and money. The device can be attached mechanically to the wall, or floor with approved fasteners, or by using the Ultra Fast Anchor which requires no tools to install the collar… another time-saver! Tuck-In Wrap Strips are pre-cut Wrap Strips with its own pre-installed adhesive tab. No need for Collars here! These time savers are made to be installed in concrete floors/walls and gypsum walls with the “tuck-in” method in conjunction with CP 25WB+, IC 15WB+, or FB3000 WT firebarrier sealants as a smoke seal. Concrete floors can be installed from the top. These Wrap Strips measure 2-1/2″ wide and are pre-cut to fit 2″, 3″ and 4″ Plastic Pipe saving time for the installer. A longer version is also available for 6″ Plastic Pipe.
3M Fire Barrier Pillows
Fire Barrier Pillows are a one-piece, highly intumescent product, wrapped in a poly bag and tested with penetrations for up to a 3 hour assembly. The pillows can be used in small, or larger openings up to 1080 sq. in. in size. These pillows do not contain graphite and do not require wire mesh for installation. The applications are easily re-enterable for adding future penetrations. These pillows are available in three sizes: 2″ x 4″ x 9″, 2″ x 6″ x 9″ and 3″ x 6″ x 9″.
Fire Barrier Self-Locking Pillows are a one-piece, highly intumescent product, wrapped in a poly bag with a band of interlocking hook and loop attached around one end to hold them tightly in place. They are also tested with penetrations for up to a 3 hour assembly. The pillows can be used in small, or larger openings up to 1080 sq. in. in size. These pillows do not contain graphite and do not require wire mesh for installation. Pillows are re-enterable for adding future penetrations. These pillows are available in three sizes: 2″ x 4″ x 9″, 6″ x 9″ and 3″ x 6″ x 9″.
3M Fire Barrier Composite Sheets
CS-195 Composite Sheet is a one part intumescent sheet system comprised of four components. The heart of the system is an intumescent organic/inorganic core. The core is bonded on one side with a layer of 28 gauge galvanized steel. The other side is reinforced with hexagonal wire mesh covered with aluminum foil. The CS-195 Composite Sheet is designed for larger openings. It can be cut and fabricated to fit your needs. It is 0.3″ thick and is available in a variety of sizes: 36″ x 24″, 36″ x 36″, 36″ x 41″, 16″ x 28″ and 28″ x 52″.
3M Fire Barrier Mortar
Fire Barrier Mortar is a lightweight gypsum-based, endothermic firestop Mortar that is available in powder form and is ready for mixing with potable water: 2 parts Mortar and 1 part water for floor applications (self-leveling), or 3 parts Mortar and 1 part water for wall applications (trowelable). Mortar is used in larger openings that may be empty, or have multiple, or mixed-multiple penetrations. It can be drilled for future penetrations. Fire Barrier Mortar is packaged in 44 lb. Bags yielding 1096 cu. in. of Mortar, or 28 lb. 5 Gallon Pails yielding 697 cu. in. of Mortar.
3M Fire Barrier Putty Sleeve Kits
Putty Sleeve Kits are a steel split-hinged round clam-shell style sleeve for Cable Bundles penetrating walls. The split-hinged sleeve allows the kit to be used in new, or retrofit applications. The Putty Sleeve Kit is packaged with a hinged sleeve, 2 each – 2-piece flanges (with screws) for each side of the wall to hold the sleeve in place, drywall screws, Moldable Putty for the firestop and 2 self-adhering labels, one for each side of the wall, to identify the installer and products used. The Putty Sleeve Kits are available in 3 sizes: 1″, 2″ and 4″. The ends of the sleeve are rounded so as not to slice into cable when pulling cable through the sleeve.
3M Fire Barrier Cast-In-Place Devices (CID)
Cast-In-Place Device is a one piece plastic body assembly containing the highly intumescent Ultra GS Wrap Strip that is installed in concrete floor applications before the concrete is poured. They are easily attached to the wood forms as a one-piece unit, or to a metal fluted deck with the addition of a Cast-In-Place Metal Deck Adapter. These CID’s and Adapters are available in 2″ (fitting both 1-1/2″ and 2″ Pipe), 3″, 4″ and 6″ Plastic and Metal pipe sizes. By themselves, the CID’s are easily adjusted to accommodate concrete thicknesses from 2-1/2″ to 8″. The Cast-In-Device Height Adapter, which easily snaps into place, allows the concrete to be poured up to 12″ with no additional fasteners. Any thickness of concrete can be accommodated with easy field fabrication (ask your sales person). Also available are Cast-In-Tub Boxes accommodating 1-1/2″ and 2″ Pipe. Also available is a Cast-In-Place Aerator Adapter.
3M Fire Barrier Pass-Through Devices
Pass-Through Devices are a one piece hinged metal enclosure with a fixed firestop intumescent material inside that works in conjunction with foam smoke seals and optional Mounting Brackets. They are designed for use in new, or retrofit applications. Once installed, these devices can simply be left alone as a firestopped blank opening for future use, or filled with a variety of through penetrations, from a single cable, pipe penetration, or 100% cable fill. They are easily identifiable as they are red in color with the 3M logo. They are available in round, or square. The Round Pass-Through Devices are available in 2″ and 4″ sizes. The Square Pass-Through Devices are available in 2.5″ and 4″ sizes. The Mounting Brackets are available for the single Pass-Through Device, or in the case of the Square Pass-Through Device, the Mounting Brackets are made so that the installer can easily “gang” the Square Devices together in three’s, or stacked in two rows of three. The Devices can be pre-installed on the studs before the drywall is installed using a Stud Bracket.
3M Fire Barrier Grease and Air Duct Wrap 615+ and Plenum Wrap 5A+
Duct Wrap 615+ is an updated version of the 3M Duct Wrap line and is an extremely flexible, fire-resistant Grease Duct and Air Duct Wrap made with a non-asbestos, inorganic fiber, fully encapsulated with a scrim foil facing. 3M adheres the foil facing to the insulation, not allowing the insulation material to fall out once the Wrap is cut for fabrication. The Wrap is 1-1/2″ thick and is 32% lighter than previous versions. It’s new flexibility and lighter weight allows for easier handling and wrapping of the duct, reducing labor costs. This Wrap is a proven, tested alternative to 1 and 2 hour rated shaft enclosures. Its low weight, thin profile and zero clearance application (applied directly to the duct), makes 615+ the ideal choice for a rated duct enclosure system. Installing with two layers for Grease Ducts meets ASTM E 2336. Installing one layer for fire-resistive Ventilation Ducts meets ISO 6944. Grease Duct applications can be butt-jointed in the first layer. The second layer may be butt-jointed if 615+ Grease Duct Collars are used over the joint. See the tested assemblies for proper installation techniques. Grease Duct Access Doors and Hardware Kits are made for grease duct inspection. The doors are available in three sizes: 10″ x 6″, 12″ x 8″ and 20″ x 20″. Plenum Wrap 5A+ is a flexible, fire-resistant wrap consisting of a non-asbestos, inorganic fiber blanket core, encapsulated with a scrim reinforced foil facing. Plenum Wrap 5A+ is 1/2″ thick and is used to provide a non-combustible enclosure for cables and plastic pipes placed in return air plenums. May be wrapped around a single pipe, or group of pipes, or cables.
3M Fire Barrier Interam Endothermic E-5A-4 Mat
Interam Mat is a dense, flexible, easy to fabricate, non-corrosive, space-saving wrap system that provides a uniform covering that when exposed to high temperatures, releases chemically bound water to cool the outer surfaces of the Mat, retarding heat transfer. Can be installed in new and retrofit applications requiring full envelope protection including: structural steel, electrical circuitry – raceways, cables, cable trays, conduits, equipment shrouds and steam lines. Can also be used around membrane penetrations such as electrical panels, elevator call boxes, medical gas boxes, etc. Consult system details, call your 3M sales professional for atypical uses. E-5A-4 Mat is available in rolls – 24.5″ x 20′, and is .408″ thick.
3M Fire Barrier Packing Material PM4 Bulk
PM4 Bulk is a non-asbestos, mold resistant inorganic alternative packing material to Rockwool™ insulation, or backer rod for through-penetrations in conjunction with Fire Barrier sealants. Available in a compact package roll of 1/2″ x 4″ x 20.5′ for small projects, or use in tight spaces where large packaging is prohibitive, or not needed. PM4 is easily cut, or can be torn by hand.
3M Fire Barrier 2-Part RTV Foam 2001
2001 Foam is a 2 component silicone foam that is available in a “Part A / Part B” configuration. Once mixed, the liquid system results in a medium rise, resilient silicone foam. It is best to install in small doses. Requires a dam to keep the initial liquid from flowing where you don’t want it. Non-paintable. Available in a self-contained 2-part 7 oz. Tube, 8 lb. system in 2 separate “Part A / Part B” Pails and a 40 lb. system in 2 separate 5 gallon “Part A / Part B” Pails.
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Last Modified: May 7, 2020