CAFCO® BLAZE-SHIELD® HP
ISOLATEK® Type HP

Quick Resources

CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP is a medium density Dry Mix Spray-Applied Fire Resistive Material (SFRM) designed to provide superior fire protection for structural steel where limited physical abuse or traffic may be anticipated.

It is an inorganic, environmentally friendly, Portland-cement-based formulation that provides superior fire resistance for structural steel and concrete in commercial construction environments.

This is the product of choice particularly when exposure to severe weather conditions during the construction phase is necessary, or when application efficiency along with excellent thermal and acoustical insulation properties are desired. With all of these added benefits, its wise to follow the advice of many of our worldwide customers, “Don’t just fire proof it. BLAZE-SHIELD it.”

CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP is the only medium density product that is classified as “investigated for exterior use” by Underwriters Laboratories, thus allowing it to remain exposed to extreme weather conditions during the construction process.

Benefits
  • Part of the most widely specified Dry Spray family throughout the world for over forty years.
  • Meets or exceeds all major fire protection specifications for Commercial structures including ANSI/ UL 263, ASTM E119, and CAN/ ULC-S101.
  • Provides up to 4 hour fire resistance ratings.
  • Exceptionally high recycled content (56% pre-consumer) and other environmentally friendly characteristics provide significant LEED credits.
  • Inorganic material formulation does not promote mold or fungal growth.
  • Portland cement-based formulation makes it suitable to remain exposed to a variety of extreme weather environments during construction, providing exceptional flexibility to sequencing and scheduling of projects.
  • Low pressure, pneumatic spray application equipment requires less manpower to operate.
  • High thermal and acoustical properties provide thermal insulation and acoustical control capabilities.
  • Worldwide manufacturing facilities ensure timely product availability.
Product Uses

Applied directly to decking, steel beams, columns or concrete surfaces for concealed commercial environments which may be exposed for prolonged periods of time during the construction cycle.

Ideal for use in mechanical rooms, parking garages, elevator shafts, pool areas, and any other area where increased durability is required.

Fire Tests & Approvals

In order to meet the performance and durability criteria set forth by the American Institute of Architects (AIA) and other major industry specifying organizations, CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP has undergone the most rigorous testing in accordance with the world’s most demanding safety protocols.

Cellulosic – ANSI/UL263 (ASTM E119) – Fire Tests of Building Construction and Materials

This cellulosic fire test is traditionally used to evaluate materials for use in the protection of modern day commercial structures. This test reaches 1000°F (537°C) after 5 minutes and gradually reaches a temperature of 2000°F (1093°C) after a period of up to 4 hours.

CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP is classified by Underwriters Laboratories for up to 4 hours protection in accordance with the cellulosic fire test and is listed within various UL Designs.

UL Classification Mark

The UL Classification Mark indicates compliance with global requirements as it relates to a specific risk or casualty. With the Classification service, UL determines that a manufacturer has demonstrated the ability to produce a product complying with UL’s requirements with respect to one or more of the following:

  • Specific risk, e.g., casualty, fire, etc.
  • Performance under specific conditions
  • Compliance with regulatory codes
  • Compliance with specific standards such as international standards
  • Other condition, as determined by UL

All of the products carrying a UL Classification Mark are covered by UL’s Follow-Up Services program to verify that products carrying the UL Classification Mark continue to be manufactured in compliance with UL’s safety requirements.

Factory Mutual

CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP is a Factory Mutual (FM) approved product

New York City Materials and Equipment Acceptance (MEA)

An MEA Number is the number assigned to a product that has been approved for use in New York City by the MEA Division. CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP has been reviewed and MEA numbers have been assigned.

The MEA division regulates “certain materials and equipment (that) require Department of Buildings acceptance.” These manufactured items affect public safety, health and welfare (including structural stability and fire safety) and are usually a permanent part of a building.

Evaluation Service Report

Underwriters Laboratories (UL) has conducted a technical evaluation on CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP. The result of the evaluation process assures that the CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP is in compliance with the International Building Code (IBC).

Major Specification and Approval Compliance

CAFCO BLAZE-SHIELD HP / ISOLATEK Type HP complies with the requirements of the following specifications:

  • MasterSpec® ISOLATEK Type HP, Section 078100 APPLIED FIREPROOFING (AIA)
  • MasterFormat® ISOLATEK Type HP 2014, Section 07 81 00 Applied Fireproofing (CSC,CSI)
  • Unified Facilities Guide Specification, UFGS 07 81 00 Spray-Applied Fireproofing (USACE, NAVFAC, AFCEC, NASA)
  • Master Construction Specifications, Number 07 80 10 Applied Fireproofing (VA)
  • Code of Federal Regulations, Title 40 Protection of the Environment (EPA)
  • PBS-P100 Facilities Standards for the Public Buildings Services (GSA)
ASTM Physical Performance StandardsTest Performance*
Spray-Applied Fire Resistive Materials (SFRMs)
Physical PropertyASTM StandardMasterSpec® Performance RequirementsCAFCO BLAZE-SHIELD HP
ISOLATEK Type HP
Surface Burning CharacteristicsASTM E84Flame Spread: 10 or less
Smoke Developed: 0
0
0
DensityASTM E60522 pcf (352 kg/m3)24-26 pcf (384 – 416 kg/m3)
Cohesion / Adhesion Cohesion / Adhesion Cohesion / Adhesion Cohesion / Adhesion
(Bond Strength)ASTM E736430 psf (20.6 kPa)1,525 psf (73 kPa)
DeflectionASTM E759No cracks, spalling, or delaminationNo cracks, spalling, or delamination
Bond ImpactASTM E760No cracks, spalling, or delaminationNo cracks, spalling, or delamination
Compressive StrengthASTM E7617,344 psf (351 kPa)7,920 psf (379.2 kPa)
CorrosionASTM E937Does not promote corrosion of steelDoes not promote corrosion of steel
Air ErosionASTM E8590.025 g/ft.20.000 g/ft.2 (0.000 g/m2)
Fungal ResistanceASTM G21Zero Growth After 28 daysZero Growth After 28 days
CombustibilityASTM E136NoncombustibleNoncombustible
Sound AbsorptionASTM C4230.85 NRC 1/2″ (13 mm) on deck and beam
Thermal PropertiesASTM C518Conductivity[k] – 0.41 BTU in/hr ft2 oF @ 75oF(0.059 W/m•K @ 24oC)Resistance [R/inch]-2.43
*Based on independent laboratory tests under controlled conditions.
Product NameTechnical Data SheetSafety Data SheetApplication Guide
Certificate of Compliance
CAFCO® BLAZE-SHIELD® HP
ISOLATEK® Type HP
CAFCO BLAZE-SHIELD HP
CAFCO BLAZE-SHIELD HP French
ISOLATEK Type HP



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ISOLATEK INTERNATIONAL provides passive fireproofing materials under the CAFCO® and FENDOLITE® trademarks throughout the Americas and under the ISOLATEK® trademark throughout the world.

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