STI offers a variety of off the shelf and factory manufactured solutions that are up to the challenge of any MEP penetration. All our products meet or exceed the exacting parameters of ANSI/UL1479, ASTM E814, and ULC-S115.
Our SpecSeal® LCI Intumescent Sealant is used in over 500 Through-Penetration UL Firestop Systems with fire ratings up to 4 Hours. The wide breadth of testing makes LCI the go to solution for any MEP penetration. Only SpecSeal® LCI Sealant can span the range of conditions from simple single metal or plastic pipe or conduit penetrations to complex arrays of multiple penetrants all at the best installed cost.
Install SpecSeal® Cast-in Devices before you pour and make core drilling a thing of the past. SpecSeal® Cast-in Devices allow you to firestop during the concrete pour, eliminating the need to pre-form or core drill for each penetration. With SpecSeal® Cast-in Devices, you eliminate scheduling bottlenecks and free up installers to do what they do best without sacrificing code compliance.
STI offers excellent solutions for electrical outlet boxes, the most common penetrant on a typical construction project. SpecSeal® SSP Putty Pads, intumescent, non-hardening putty pads, are tested for 1 or 2 hour ratings on a wide variety of metal and plastic boxes with metal or plastic face plates. Our putty pads are formulates from 100% solids, butyl rubber to stay put and withstand the test of time. Codes, such as the IBC, allow the use of such products to reduce the horizontal separation of boxes to less than 24 inches or to accommodate boxes greater than 16 square inches.
STI’s SpecSeal® Series EP Box Inserts are intumescent pads that insert into the back of electrical boxes for situations where existing boxes are installed into the wall or where installation in the shop vs. the field may be more cost effective. The thin, supple pads do not significantly reduce available box volume, and in the event of fire, expand up to 60x to ensure ratings of 1 or 2 hour walls are maintained.
In gypsum board construction, many competitive products vary the thickness of sealant required dependent upon the hourly rating of the wall assembly. At STI, we pioneered the 5/8” depth solution. Whether 1 or 2 hour rated, our systems are consistent requiring 5/8” depth of caulk to eliminate confusions and costly mistakes.
All STI product are designed and tested to confirm their abilityto resist the passage of sound, following the parameters of ASTM E90. Sound Transmission Classification (STC) Ratings are an important consideration on many construction projects, and STI products and systems help maintain such ratings. Contact one of our Technical Service Engineers to learn more.
HVAC penetrations have always been a multi-step process of applying firestop sealant, waiting for inspection, then finishing with reinforcing steel angles and waiting for subsequent re-inspection. SpecSeal® FyreFlange™ Firestop Angle merges the fire resistive ability of a firestop sealant with the structural support of steel angles into one solution. With FyreFlange™ you can install and move on to the next condition without having to revisit each penetration multiple times.
SpecSeal® SSS Firestop Sealant is a premium grade water-based Intumescent firestop sealant. SpecSeal® SSS Sealant incorporates our proprietary two-stage intumescent technology making it the go to choice for any combustible or non-combustible penetrants. As little as a 1/2″ applied depth of SSS Sealant is required to provide up to a 4 Hr Fire resistance rating when tested to ASTM E814/UL 1479.
SpecSeal® LCI Firestop Sealant is a water-based intumescent sealant intended for a wide range of through-penetration and construction joint applications. SpecSeal® LCI Sealant has excellent caulking properties making it easy to apply in vertical applications as well as overhead.
Eliminate coring and firestop before the concrete pour with SpecSeal® CID Cast-In Firestop Devices. SpecSeal® Cast-In Devices are a sleeve, concrete core and firestop rolled into a single device. SpecSeal® Cast-In Devices are available in a range of sizes and heights to accommodate penetrant up to 6 in. Trade Size penetrants and concrete depths of up to 20 in.
SpecSeal® LCC Firestop Collars are factory-manufactured firestop devices sized to plastic pipes of up to 4 in. Trade Size. LCC Collars consist of a restraining collar with a factory applied intumescent ensuring the correct amount of material is applied every time. Simplify the process of firestopping combustible piping by taking the guess work out of estimation with SpecSeal® LCC Firestop Collars.
SpecSeal® RTC Firestop Collars adapt to the size combustible pipe that you are working with. One collar is designed to address standard 3 in. & 4 in. plastic pipes as well as their associated couplings. RTC Firestop Collars adaptable nature make them an excellent tool to have at hand when bringing combustible penetrations up to code.
SpecSeal® SSC Firestop Collars are factory-manufactured firestop devices sized to plastic pipes of up to 6 in. Trade Size. SSC Collars consist of a restraining collar with a factory applied intumescent ensuring the correct amount of material is applied every time. Under fire exposure, SSC Collars quickly expand and collapse combustible piping forming a dense char, resisting the passage of smoke and flame.
SpecSeal® Composite Sheet is the ideal solution for large openings where a permanent seal is required. Composite sheet consists of a thin sheet steel with intumescent embedded onto a single side. Composite sheet partners with other SpecSeal® firestop products such as Firestop Collars and EZ-Path® Devices to size down oversized openings.
SpecSeal® EP Powershield™ Electrical Box Inserts install within steel electrical boxes directly against the back of the box. Powershield™ Box inserts are equally suited for remediation as well as preinstallation before the boxes have made it to the job site. Powershield™ Box inserts incorporate pre-scored openings allowing for easy installation around ground lugs.
SpecSeal® SSP Firestop Putty excels at sealing cabling penetrations and outlet boxes. SSP Putty is non-hardening and easily hand works around grouped cabling penetrations forming a re-enterable seal allowing for future work. When applied with outlet boxes, SSP Putty easily works into voids and seams forming a continuous seal against fire and the products of combustion.
FyreFlange™ Firestop Angle is a single step solution to addressing HVAC Ductwork penetrations. FyreFlange™ consists of a heavy steel angle with an intumescent gasket, sealing against fire and smoke while reinforcing ductwork under exposure. Eliminate the headaches of staging and multiple inspections of traditional HVAC firestopping with FyreFlange™.
SpecSeal® SSW Wrap Strips are available in a variety of sizes and types to tackle any combustible penetration. SSW Wrap Strips are available in 12 ft. rolls as well as individually pre-sized strips to minimize waste and speed up installation. When installed in conjunction with restraining steel, SSW Wrap Strips are able to collapse non-metallic piping of up to 12 in. diam.!
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STI warrants that its products will be free of defects for one year from the date of purchase. In the event a product does not conform to this warranty, the sole and exclusive remedy is, at STI’s option, replacement of the product or refund of the purchase price. The warranty provided herein shall be void and of no effect in the event that the product is not installed in accordance with STI’s published instructions, listed systems and applicable building and safety codes. THIS WARRANTY IS IN LIEU OF ALL OTHER REPRESENTATIONS AND EXPRESSED OR IMPLIED WARRANTIES (including the implied warranties of merchantability or fitness for a particular use) AND UNDER NO CIRCUMSTANCES SHALL STI BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING, WITHOUT LIMITATION, ANY LOSS OF REVENUE, PROFIT OR USE. Prior to use, the user shall determine the suitability of the product for its intended use, and the user assumes all risks and liability for subsequent use. No person other than an officer of STI is authorized to bind STI to any other warranty for any product for which this warranty is issued.
Did you know that many specifications for firestopping reference older fire test standards or obsolete products?
Let our firestop experts assist by reviewing your firestop specifications and making appropriate recommendations. STI provides this service free of charge.