Unifrax I LLC | insulation and fibers


600 Riverwalk Pkwy.
Suite 120
Tonawanda, NY 14150
Phone: 716-768-6500
Fax: 716-768-6400


Unifrax is a leading producer of high-temperature insulation products providing innovative heat management solutions and energy savings for a broad range of industries.

Our FyreWrap® fire protection materials include a family of high temperature insulation blankets specifically designed to provide a flexible, fire protection wrap for a variety of passive fire protection applications. This lightweight, flexible material minimizes labor and installation time and saves valuable building space. FyreWrap Duct Insulation offers superior fire protection and design flexibility including:

  • Alternate to fire-rated gypsum board shaft enclosures, saves valuable building space.
  • 1 – and 2-hour fire rated systems for ventilation, exhaust and grease duct systems.
  • Systems available that comply with all editions of applicable Mechanical Codes.
  • Solutions for complex configurations and limited space conditions in new and retrofit construction.
  • Able to withstand continuous high operating temperatures without degrading.
  • Can be installed at zero clearance to combustibles at any location on the wrap.
  • Design Listings and local approvals available to verify compliance.


{{this.show}} {{this.hide}} FyreWrap® Fire Protection Materials

FyreWrap® Cable Tray Insulation image

FyreWrap® Cable Tray Insulation

Many industrial processes require quick, controlled shut down of critical equipment in emergency situations to eliminate or minimize the threat of fire and explosion causing potential loss of life, equipment, and business operations. Cable Insulation provides an external insulation wrap around cables, trays and conduits to provide a fire rated enclosure, permitting continued operation for a specified period of time.

Unifrax's FyreWrap® Cable Insulation is a thin, flexible, insulation wrap designed to provide a fire-protective enclosure around cable trays and conduit. The FyreWrap system ensures electrical circuit integrity during exposure to an external hydrocarbon fire, permitting continued operation or controlled shutdown of critical equipment during emergency conditions. This system is FM Global Approved and meets ASTM E-1725 "Fire Tests of Fire-Resistive Barrier Systems for Electrical System Components," the newest industry standard, requiring the highest level of performance for trays with zero to full cable loading. The system also meets ASTM E-1529 and provides circuit integrity ratings. FyreWrap complies with many industry specifications on fireproofing for petroleum and petrochemical processing plants.

Product Information Sheet
Duckmate® Access Door image

Duckmate® Access Door

Unifrax I LLC is pleased to announce that F2-HT and Ultimate™ prefabricated access doors from Ductmate® Industries have been qualified for use with FyreWrap® Duct Insulation fire rated grease duct enclosure systems.

FyreWrap-Ductmate System Features:
  • Intertek Design Listings
  • Added to ICCES ESR-2224 Report
  • Approved in F2-HT and Ultimate doors
  • Largest door size tested: 24"x18"
  • Dramatically reduced installation time - no special tools or welding
  • Available in a variety of sizes
  • High temperature 2300F gasket
  • Meets NFPA 96 requirements

Product Information Sheet
FyreWrap® Elite® Blanket image

FyreWrap® Elite® Blanket

FyreWrap® Elite® Blanket from Unifrax is a totally inorganic, flexible, high-temperature insulation blanket optimized for high performance passive fire protection applications. FyreWrap Elite utilizes a calcium, magnesium, silicate chemistry to provide thermal insulation at continuous operating temperatures up to 2012F (1100C). This fiber chemistry has been combined with Unifrax's proprietary fiber spinning technology to create a specialty high-temperature blanket with optimized fire protection properties.

FyreWrap Elite Blanket is used in a wide range of fire protection applications including appliances, prefabricated ductwork, chimneys, etc.

Product Information Sheet
FyreWrap® Marine Blanket image

FyreWrap® Marine Blanket

FyreWrap® Marine Blanket from Unifrax is a totally inorganic, flexible, high-temperature insulation blanket specifically designed to provide passive fire protection for marine applications. The calcia, magnesia, silica chemistry is designed to enhance biosolubility. Unifrax's proprietary fiber spinning technology combined with mechanical needling of the fibers eliminates the need for binders in the product. This results in a material with high tensile strength and superior thermal and acoustical properties. FyreWrap Marine Blanket is chemically stable and its thermal properties are unaffected after exposure to water immersion or high humidity.

FyreWrap Marine Blanket provides fire protection insulation for a variety of rated assemblies on marine structures and vessels. Thin, lightweight systems combined with a flexible product form result in lower installation costs and significant weight savings. This offers builders and owners reduced structure weight, which may yield increased vessel speed, fuel savings and available payloads.

Product Information Sheet
FyreWrap® Tank Car Blanket image

FyreWrap® Tank Car Blanket

FyreWrap® Tank Car Blanket from Unifrax is a flexible, lightweight, high strength, spun ceramic fiber blanket specifically designed to comply with Department of Transportation (DOT) Federal Railroad Administration (FRA) and Transport Canada requirements for thermal protection for railroad tank cars transporting crude oil, ethanol and other flammable liquids and hazardous materials. FyreWrap Tank Car Blanket is on the FRA Thermal Protection Approval List with numerous systems that have been tested to pool fire and torch fire conditions outlined in 49 CFR Part 179. It can be utilized on existing Type DOT-111 and CPC-1232 and new specification DOT-117 tank cars to comply with Final Rulemaking for Enhanced Tank Car Standards and operational Controls for High-Hazard Flammable Trains (HHFT). It can also be used for Type DOT-105, 109, 112, and 114 tank cars for compliance with DOT Hazardous Material Regulations (HMR). Unifrax has more than 30 years experience as a thermal protection supplier to the railcar industry.

Product Information Sheet
Dryer Exhaust Duct Insulation image

Dryer Exhaust Duct Insulation - FyreWrap® DPS Insulation -C-1535, 5/14

Unifrax's FyreWrap® DPS Insulation is a high-temperature insulation blanket specifically designed, UL tested and certified to provide a single layer, one-hour rated flexible enclosure around dryer and residential kitchen exhaust ductwork. The product also provides code compliant fire protection for combustible items, such as plastic pipes by preventing flame propagation and smoke development in the plenum area.

Product Information Sheet
Grease Duct Insulation image

Grease Duct Insulation - FyreWrap® Elite® 1.5 Two-Layer System, per ASTM E2336

Unifrax's FyreWrap® Elite® 1.5 Duct Insulation is a two-layer flexible enclosure for two-hour rated commercial kitchen grease ducts. FyreWrap Elite 1.5 Duct Insulation is tested per ASTM E2336 and is acceptable as an alternate to a traditional fire-rated shaft. Installed as a two-layer system, FyreWrap Elite 1.5 complies with the International Mechanical Code (IMC) and Uniform Mechanical Code (UMC). FyreWrap Elite 1.5 Duct Insulation offers the following product features:
  • 2-hour fire-resistance rating
  • Alternate to shaft enclosure
  • Complies with IMC and UMC
  • Tested per ASTM E2336
  • Two-layer system; inner layer utilizes butt joint
  • High-temperature, biosoluble insulation
  • Zero clearance to combustibles, at any location
  • GREENGUARD listed for Microbial Resistance

Product Information Sheet
Air Distribution System (ADS) Duct Insulation image

Air Distribution System (ADS) Duct Insulation - FyreWrap® Elite® 1.5 One-Layer System, per ISO 6944

Unifrax's FyreWrap® Elite® 1.5 Duct Insulation is a single-layer flexible duct wrap enclosure for 1- and 2-hour fire-ratedair distribution systems (ADS ducts). Typical duct types include smoke control, hazardous exhaust, laboratory chemical fume, stairwell and vestibule pressurization, ventilation, supply/return ducts, commercial dryer exhaust, as well as refuse and linen chutes. This slim, compact design is an alternate to code prescribed fire-rated shafts and results in significant weight, space and labor savings when compared to traditional shafts.

FyreWrap Elite 1.5 Duct Insulation Air Distribution System (ADS) offers the following features:
  • 1- and 2-hour fire-rated enclosure
  • Alternate to fire-rated shaft
  • Zero clearance to combustibles at all locations on blanket wrap
  • Saves weight, space, labor
  • Thin, lightweight single-layer system
  • High-temperature, biosoluble insulation
  • Durable foil-scrim covering
  • GREENGUARD listed for Microbial Resistance

Product Information Sheet
Elite 1.5 EU Duct Insulation
Plenum Insulation image

Plenum Insulation - Fyrewrap® 0.5

Unifrax's FyreWrap® 0.5 Plenum Insulation is a high-temperature insulation blanket specifically designed to provide a single layer, flexible enclosure around combustible items located within fire-rated return air plenums. New construction, building renovations or modifications to the electrical and mechanical systems may result in the installation of plastic pipe or plastic-coated cables that cannot meet the minimum combustibility requirements defined in the Mechanical Code. FyreWrap 0.5 Plenum Insulation provides fire protection for these installed items by preventing flame propagation and smoke development in the plenum area.

FyreWrap 0.5 Plenum Insulation offers the following product features:
  • Lightweight, flexible product form
  • Scrim encapsulated
  • Easy to cut, fabricate, wrap around pipes or cables
  • Thin, single layer design
  • High-temperature, biosoluble fiber

Product Information Sheet

{{this.show}} {{this.hide}} Case Studies

Case Studies

Case Studies / Editorials / Technical Bulletins.

Last Update: 2016-02-08