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� ESR-3159 �' Most�dely Accepfed and Trusted Page 2 of 5
<br /> accordance with Section R806.4 of the IRC, based on minimum thickness of 1�/2 inches (38 mm). The insulation
<br /> testing in accordance with ASTM E283. must be applied in passes not exceeding 2 inches(51 mm)
<br /> The attributes of the insulation have been verified as Per pass and must be allowed to fully expand and cure for
<br /> conforming to the provisions of ICC 700-2008 Section a minimum of 20 minutes prior to the application of the
<br /> 703.2.1.1.1(c) as an air impermeable insulation. Note that next additional pass. For additional details on curing times,
<br /> decisions on compliance for those areas rest with the user see the Johns Manville published installation instructions.
<br /> of this report. The user is advised of the project-specific 4.3 Thermal Barrier:
<br /> provisions that may be contingent upon meeting specific 4.3.1 Application with a Prescriptive Thermal Barrier:
<br /> conditions, and the verification of those conditions is JM Corbond MCST"" spray-applied polyurethane foam
<br /> outside the scope of this report. These codes or standards insulation must be separated from the interior of the
<br /> often provide supplemental information as guidance. building by an approved thermal barrier of �/2-inch-thick
<br /> 3.6 JM IB Intumescent Coating: (12.7 mm) gypsum wallboard or an equivalent 15-minute
<br /> thermal barrier complying with, and installed in accordance
<br /> JM IB intumescent coating, manufactured by Johns with, IBC Section 2603.4 or IRC Section R316.4, as
<br /> Manville Corporation, is a one-component, water-based, applicable, except where insulation is in an attic or crawl
<br /> liquid intumescent coating supplied in 5-gallon (19 L)pails. space as described in Section 4.4. Thicknesses of up to
<br /> The coating materials have a shelf life of 12 months when g'/4 inches (235 mm) for wall cavities and 11'/a inches
<br /> stored in factory-sealed containers at temperatures above (2g6 mm) for floor/ceiling cavities are recognized, based
<br /> 50°F(10°C). on room corner fire testing in accordance with NFPA 286,
<br /> 3.7 DC 315 Coating: when the insulation is covered with a minimum '/rinch-
<br /> thick (12.7 mm) gypsum wallboard or an equivalent
<br /> DC 315 coating, manufactured by International Fire Proof 15-minute thermal barrier complying with, and installed in
<br /> Technology, Inc./Paint to Protect Inc. (ESR-3702), is a accordance with,the applicable code.
<br /> water-based coating supplied in 5-gallon (19L) pails and 4.3.2 Application without a Prescriptive Thermal
<br /> 55-gallon (208L) drums. The coating material has a shelf Barrier with DC 315 Coating: The prescriptive 15-minute
<br /> life of 24 months when stored in factory-sealed containers thermal barrier or ignition barrier may be omitted when
<br /> at temperatures between 41°F(5°C)and 95°F(35°C). installation is in accordance with this section (Section
<br /> 3.8 TPRZ Fireshell�JM-TC Intumescent Coating: 4.3.2). The insulation and intumescent coating may be
<br /> TPRZ Fireshell� JM-TC is manufactured by TPRz spray-applied to the interior facing of walls, the underside
<br /> Corporation (ESR-3997), and is a one-component, water- of the roof sheathing or roof rafter, and in crawl spaces,
<br /> and may be left exposed as an interior finish without a
<br /> based, polymer intumescent coating. The coating is prescribed 15-minute thermal barrier or ignition barrier.
<br /> supplied in 5�allon(19L)pails and 55-gallon(208L)drums The thickness of the foam plastic applied to the underside
<br /> and has a shelf life of one year when stored in factory- of roof sheathing must not exceed 9�/a inches (235 mm).
<br /> sealed containers at temperatures between 45°F (7.2°C) The thickness of the spray foam insulation applied to
<br /> and 95°F(35°C). vertical wall surfaces must not exceed 7�/a inches
<br /> 3.9 TPR2 Fireshell�JMIC Intumescent Coating: (184 mm). The foam plastic must be covered on all
<br /> � surfaces with DC 315 Coating (ESR-3702) at a minimum
<br /> TPR2 Fireshell JMIC intumescent coating, manufactured Wet film thickness of 22 wet mils (0.56 mm) [14 dry mils
<br /> by TPR2 Corporation, is a one-component, water-based, (0.36 mm)], at a rate of 1 gallon (3.38L) per73 square feet
<br /> polymer intumescent coating. The coating is supplied in (6.8 mZ)]. The coating must be applied over the insulation
<br /> 5-gallon (19 L) pails and 55-gallon (208 L)drums and has in accordance with the coating manufacturer's instructions
<br /> a shelf life of one year when stored in factory-sealed and this report. Surfaces to be coated must be dry, clean,
<br /> containers at temperatures of 45°F(7°C)or above. and free of dirt, loose debris and other substances that
<br /> 4.0 INSTALLATION could interfere with adhesion of the coating. The coating is
<br /> applied in one coat with low-pressure airless spray
<br /> 4.1 General: equipment.
<br /> JM Corbond MCSTM spray-applied polyurethane foam 4.3.3 Application without a Prescriptive Thermal
<br /> insulation must be installed in accordance with the Barrier with TPRZ Fireshell� JM-TC Intumescent
<br /> manufacturer's published installation instructions, the Coating:The prescribed 15-minute thermal barrier may be
<br /> applicable code and this report. A copy of the omitted when installation is in accordance with this section.
<br /> manufacturer's published installation instructions must be The JM Corbond MCSTM' spray-applied insulation and
<br /> available at all times on the jobsite during installation. TPRZ Fireshell�JM-TC system (ESR-3997) may be spray-
<br /> 4.2 Application: applied to the interior facing of walls, the underside of roof
<br /> sheathing or roof rafters, and in crawl spaces, and may be
<br /> The insulation is spray-applied on the jobsite using a left exposed as an interior finish without a prescribed 15-
<br /> volumetric positive displacement pump as identified in the minute thermal barrier. The foam plastic insulation
<br /> Johns Manville application manual. The insulation must be thickness must not exceed 6 inches (152 mm) in walls and
<br /> applied when the substrate temperatures are between 9'/2 inches(241 mm)in ceilings, and the insulation must be
<br /> 45°F (7°C) and 90°F (32°C). The foam plastic must not be covered with 12 dr�r mils (0.3 mm) [20 wet mils (0.5 mm)]
<br /> used in electrical outlets or junction boxes, or in contact of TPR2 Fireshell JM-TC intumescent coating applied
<br /> with water, rain or soil. The foam plastic must not be in a single coat at a minimum rate of 1 gallon (3.78L) per
<br /> sprayed onto a substrate that is wet, or covered with frost 82 square feet(7.6 m2). The substrate must be dry, clean
<br /> or ice, loose scales, rust, oil, or grease. The insulation and free of dirt and loose debris or other substances that
<br /> must be protected from the weather during and after could interfere with the adhesion of the coating. TPRZ
<br /> application. Where the insulation is used as an air- Fireshell� JM-TC may be applied by airless sprayer,
<br /> impermeable insulation, such as in unvented attic conventional sprayer, medium knap roller or brush at
<br /> assemblies under 2012 IRC Section R806.5 or 2009 IRC ambient temperatures between 55°F and 95°F(12.7°C and
<br /> Section R806.4, the insulation must be installed at a 35°C)and relative humidity of not more than 65 percent.
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