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STI FIRESTOP PRODUCTS


Series SSS Latex Intumescent Sealant

SpecSeal® Series SSS Sealant is a latex based, high solids firestop compound. This material, when properly installed, will effectively seal penetration openings against the spread of fire, smoke, toxic gasses and water.

SpecSeal® Series SSS Sealant features STI’s patented and proprietary two-stage intumescent technology. When exposed to high temperatures or fire, this material expands aggressively in a highly directionalized fashion to quickly close off voids left by the burning or melting of combustible materials.

SpecSeal® Series SSS Sealant’s unique multi-viscosity formula yields a single grade that has excellent caulking properties as well as high build properties on vertical or overhead surfaces. This single grade may be pumped, caulked (standard cartridge or bulk loaded), knifed or troweled. In addition, SpecSeal® SSS does not contain PCB’s or asbestos.

Similar Product to BOSS 814 Intumescent Sealant

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Series LCI Intumescent Sealant

SpecSeal® LCI Sealant is a versatile and economical intumescent product intended for firestopping a wide array of applications in small commercial or grouped residential construction and other structures with similar applications. SpecSeal® LCI Sealant is available in a single grade that has excellent caulking properties as well as high build properties on vertical or overhead surfaces. This single grade may be caulked (standard cartridge or bulk loaded), knifed or troweled. In addition, SpecSeal® LCI Sealant does not contain PCB’s or asbestos.

Similar Product to BOSS 814 Intumescent Sealant

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Series PEN300 Silicone Joint Sealant

Pensil® 300 Silicone Sealant is a one-part neutral curing silicone sealant exhibiting superior performance in applications where sealing apertures in walls and floors are needed to control the spread of fire, smoke, toxic gasses, and water during fire conditions. Pensil® 300 Silicone Sealant reacts with atmospheric moisture to form a tough durable seal that will adhere to most building substrates without the use of primers. Pensil products do not contain asbestos or PCBs. Pensil 300 Silicone Sealant may also be used to seal vertical and horizontal joints between metals, masonry, concrete and other common construction materials.

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Series PEN200 Two-Part Silicone Foam

Pensil® 200 Firestop Foam (PEN200) is a two-component RTV silicone foam that features excellent crack-and-void filling capabilities. Unlike other foams, PEN200 exhibits uniform cell structure, assuring reproducible, smoke-tight, fire resistant installations. Minimal pressure during foaming virtually eliminates shrinkage of the cured material. The elastic properties of the foam readily accommodate minor vibration of the pipe, conduit, etc. without loss of system integrity. Used in a 1:1 mix ratio, PEN200, when properly mixed, expands to approximately 4 times its original volume, filling available spaces and forming an effective barrier against fire, smoke and water penetration.

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Series ES Elastomeric Sealant

SpecSeal® ES Elastomeric Sealant is the product of choice for firestopping construction joints or gaps of all types.  ES has the stretch that you need when it comes to joints that require movement and dries to form a flexible shield against the propagation of flames and smoke.  ES has been UL tested and Classified for a wide variety of common construction joint applications including floor-to-floor, floor-to-wall, wall-to-floor, wall-to-wall, and head-of-wall applications.  ES is a premium latex based firestopping sealant. Its binder system is totally resistant to water and will not re-emulsify after drying. Cleanup is simple using soap and water. ES Sealant is the basis for systems that meet the exacting criteria of UL2079.

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AS205 Elastomeric Spray 

SpecSeal® AS200 Elastomeric Spray is the spray-applied product of choice for firestopping construction joints or gaps of all types.

AS200 has the stretch that you need when it comes to joints that require movement and dries to form a flexible shield against the propagation of flames and smoke.  AS200 has been UL tested and Classified for a wide variety of common construction joint applications including floor-to-floor, floor-to-wall, wall-to-floor, wall-to-wall, and head-of-wall applications including systems tested in conjunction with direct applied fire proofing. With more UL Classified Perimeter Fire Barrier Systems than all of its competitors combined, AS200 is also the product of choice for safing applicators everywhere.  AS200 is the basis for systems that meet the exacting criteria of UL2079 as well as Perimeter Fire Barrier Systems tested utilizing UL's Intermediate Scale multistory Apparatus (ISMA).

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Series SSP Intumescent Putty

When firestopping cables that require retrofitting, SpecSeal® SSP Putty is the product of choice. Available as a 36 cubic inch bar, SSP Putty is the perfect choice for new construction or maintenance applications.

SSP Putty is perfect for metallic conduits, telephone, data or electrical power cable penetrations. A variety of sleeved and non-sleeved applications have been tested and proven providing the ultimate in installation versatility. Non-hardening and reusable, SSP Putty addresses the need for flexibility in "high traffic" data and communication penetrations. Excellent water resistance and tenacious adhesion provide a firestop system that's ready to go as soon as you install it. No drying or curing is required.

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Series SSM FireStop Mortar

SpecSeal® Firestop Mortar is an economical, light-weight portland cement-based firestop product. This passive (non-intumescent) material utilizes a combination of heat sinking and insulating properties to provide an extremely high level of fire resistance. SpecSeal® Firestop Mortar mixes with water to form a non-shrinking, high yield mortar that may be applied by pouring, pumping, or troweling. Its low density and light weight means that less forming as well as less forming support is required. Its low density also makes re-penetration for retrofitting a simple task. SpecSeal® Firestop Mortar is designed to dry quickly and will not crack or spall due to freezing or changes in temperature.

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Series SSB FireStop Pillows

SpecSeal® Firestop Pillows are through-penetration firestop products resembling small cushions or soft bricks. These intumescent and highly resilient pillows are installed in openings by compressing and stacking into the opening in a brick-like fashion.  SpecSeal® Firestop Pillows consists of a mineral fiber core material sealed with a water-resistant intumescent membrane. This coated core material is then heat-sealed in a tough, nonirritating, fire-retardant poly bag.

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Series SSC Intumescent Collars

The SpecSeal® Firestop Collar is a factory-manufactured device designed to protect plastic pipes penetrating fire-rated walls and floors. Utilizing a heavy gauge galvanized metal collar to house a molded intumescent insert, the SpecSeal® Collar is specifically sized to fit 1-1/2", 2", 3", 4", and 6" trade sized pipes.  This product utilizes STI’s patented two-stage intumescent technology, providing a very responsive and highly directionalized expansion. Expansion is extremely fast, providing quick closure for burning combustible pipes.  When exposed to temperatures in excess of 250F (121C), the SpecSeal® Collar’s molded insert begins to expand (intumesce) rapidly to form a dense, highly insulative char. Its free expansion ranges from 16-24 times original (pre-expanded) volume. Expansion continues up to 1,000F.

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Series LCC Intumescent Collars

The SpecSeal® Series LCC Firestop Collar is a factory-manufactured device designed to protect plastic pipes penetrating fi re-rated walls and fl oors. Utilizing a heavy gauge galvanized metal collar to house a molded intumescent insert, the SpecSeal® LCC Collar is specifi cally sized to fit 1-1/2˝, 2˝, 3˝, and 4˝ trade sized pipes. When exposed to temperatures in excess of 320°F (160°C), the SpecSeal® LCC Collar’s molded insert begins to expand (intumesce) rapidly to form a dense, highly insulative char. Its free expansion ranges from 32-64 times original (preexpanded) volume. Expansion continues up to 1,000°F (538°C).

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Cast-In Firestop Device 

Want to eliminate the need for expensive core drilling as well as the installation of firestop sealants? SpecSeal Cast-In Firestop Devices install on forms or deck in advance of the concrete pour to form factory-firestopped openings for plumbing and electrical penetrations.  The devices install easily and quickly. Simply position the sleeves as required, fasten to the form and pour the concrete. The molded plastic body can be cut to adjust to the depth of the pour and is tough enough to resist the rigors of the concrete finishing process. A variety of accessories permit installation under many common construction conditions including variations in concrete depth and installation over pan decks. The unique chambered intumescent system expands rapidly in the event of fire to provide up to a three hour fire rating. A resilient gasket system seals against the propagation of smoke and provides additional protection against transient water exposure.


Series CS Cable Spray

SpecSeal® Cable Coating is a latex-based, spray-applied coating designed to protect grouped electrical cables against the propagation of fire. This material, when properly installed, will limit flame spread and provide short-term circuit integrity during a fire situation. SpecSeal® Cable Coating is engineered to adhere well to virtually all cable jacketing materials and may be applied using airless spray equipment or with a brush (for small applications or touch ups). SpecSeal® Cable Coating is very high in solids (by volume) and offers the highest coverage rates of any product of this type.

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Ready Sleeve Kits

If you use the traditional EMT/putty sleeve as your cable penetration solution of choice, STI's Ready Sleeve Kits will save you time and money. The kits provide everything you need to install a UL Classified and code compliant cable penetration. Ready Sleeve makes the job more profitable by saving the installer time at the job site. No need to cut conduit and strut. No external caulking. Ready Sleeve installs in just minutes.

Ready Sleeves are UL Classified for up to 4 hours and include not only the sleeve, but easy mount wall plates, enough putty to firestop both ends, external firestop gaskets, and wall labels.

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SSW Blu Wrap Strip

If your project takes you beyond stock PVC and ABS piping and into the tougher-to-protect plastics like PP, FRPP, and PVDF... Then you need the unmatched power and protection of SpecSeal® BLU Wrap Strip!  BLU Wrap Strip not only handles the difficult plastics, it does so at a scale that no other product can match. Imagine sealing pipes up to 12" trade size or critical double containment piping? Now imagine doing it with less wrap strip and at a lower installed cost then other competing systems!

BLU Wrap Strip continues in the SpecSeal® tradition of being the ultimate in user-friendliness. This soft and supple wrap strip conforms easily to the pipe making the installation a snap. Its water-resistant polymer base tightly binds its ingredients so that its Intumescent power goes around the pipe where it belongs and not in the installer's eyes. Factory-manufactured restraining collar metal work is available in a variety of standard widths eliminating the need to graft or piece together single width designs into cumbersome and labor-intensive field-manufactured collars.

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SSW Red Wrap Strip

No other wrap strip product has RED's tested coverage and versatility. RED Wrap Strip not only handles the difficult plastics, it also handles flammable pipe insulations or anything else that requires a lot of intumescent expansion in a hurry. RED Wrap Strip saves money by requiring up to a 50% less wrap strip in common plastic pipe applications.

RED Wrap Strip continues in the SpecSeal® tradition of being the ultimate in user-friendliness. This soft and supple wrap strip conforms easily to the pipe making the installation a snap. Its water-resistant polymer base tightly binds its ingredients so that its Intumescent power goes around the pipe where it belongs and not in the installer's eyes. Factory-manufactured restraining collar metal work is available in a variety of standard widths eliminating the need to graft or piece together single width designs into cumbersome and labor-intensive field-manufactured collars. RED's 1/4" thickness makes a firestop collar that's large enough to cover a standard annulus without the need for packing materials or bridging plates.

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EZ Path Fire Rated Pathway 

Conventional cable firestopping methods require you to remove firestopping as cables are added. Sooner or later a critical decision point is reached... Is there enough firestopping left to do the job? Worse yet... Was any of the firestopping actually reinstalled?

With the EZ-Path® System, those critical decisions go away. Firestopping is never removed and need never be reinstalled. Protection is immediate and permanent! Always on guard. Always ready to protect your facility.  Fast acting intumescent materials react quickly to choke off any potential path for fire.  With no critical installation decisions, no materials to remove or reinstall, EZ-Path® takes the human element away and makes cable protection fail-safe!

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