620 LAUREL DR 2025-04-16 - Laserfiche WebLink

qa • - 565 Originally Issued: 03/08/2018 Revised: 05/03/2021 Valid Through: 03/31/2022 100°F (10°C and 38°C) for the polymeric isocyanate and The manufacturer's published installation instructions for 59°F and 77°F(15°C and 25°C)for the Heatlok®HFO Pro Heatlok® HFO Pro insulation and this report shall be resin.When Component A and Component B are stored in available on the jobsite during installation.Where conflicts factory-sealed containers at the recommended occur,the most restrictive governs. temperatures,the maximum shelf life is twelve months for the polymeric isocyanate and six months for the Heatlok® Heatlok®HFO Pro insulation shall be spray-applied on the HFO Pro resin. jobsite using equipment specified in the manufacturer's published installation instructions. The maximum in- 4.2 Thermal Resistance (R-Values): Heatlok®UFO Pro service temperature for all areas shall not exceed the spray-applied polyurethane foam plastic insulation has a maximum temperature stated in the manufacturer's thermal resistance (R-Value) at a mean temperature of published installation instructions. The insulation shall be 75°F(24°C)as shown in Table 1 of this report. sprayed onto a clean,dry substrate that has been prepared in accordance with the manufacturer's installation Table 1 instructions. The insulation shall not be used in electrical Thermal Resistance(R-Values)' outlets or junction boxes or where the insulation will be in Thickness Heatlok®HFO Pro direct,continuous contact with water. (inch) R-Value('IF•ft2-h/Btu 1 7.4 4.5.1 Thermal Barrier 1.5 11 2 14 4.5.1.1 Application with an Approved Thermal Barrier: 3 20 Except as provided for in Section 4.5.1.2 of this report, 3.5 23 Heatlok® HFO Pro spray-applied polyurethane foam 4 26 plastic insulation shall be separated from the interior by a 5 33 thermal barrier in accordance with IBC Section 2603.4 or 5.5 36 IRC Section R316 as applicable. When the insulation is 6 40 separated from the interior by a prescriptive thermal barrier 7 46 in accordance with IBC Section 2603.4 or IRC Section 7.5 49 R316,the insulation thickness shall not be limited. 8 53 9 59 4.5.1.2 Alternative Thermal Barrier Assemblies: 10 66 Heatlok® HFO Pro spray-applied polyurethane foam 11 72 plastic insulation may be installed without a thermal barrier 11.5 76 as defined in Section 4.5.1.1 of this report when installed 12 79 in accordance with Table 2 of this report and as referenced For SI: 1 inch=25.4 min,1°F.ft2-hBtu=0.176 110 K-m2/W. in IAPMO UES ER-499 or additional report b an IR-Values are calculated based on tested K values at 1-inch and 4- p y inch thicknesses. approved evaluation entity to the requirements of AC456. 4.3 Surface Burning Characteristics: At a maximum 4.5.2 Installation in Attics or Crawl Spaces: Heatlok® thickness of 4 inches (102 mm) and a nominal density of HFO Pro spray-applied polyurethane foam plastic 2.0 lb/ft3(32 kg/m3),the Heatlok®HFO Pro insulation has insulation may be installed in attics or crawl spaces when a flame spread index of 25 or less and smoke-developed installed in accordance with this section(Section 4.5). index of 450 or less when tested in accordance with ASTM E84. Greater thicknesses, depending on the end use, are When installed in attics or crawl spaces where entry is recognized when installed in accordance with this report. made only for the service of utilities, Heatlok® HFO Pro insulation may be installed in accordance with this section. 4.4 Fire-Protective Coatings and Coverings: Fire Heatlok® HFO Pro insulation need not be surfaced with a protective coatings, for use as alternative thermal barrier thermal barrier,however, such attic and crawl space areas assemblies, shall be in accordance with Table 2 of this shall be separated from the interior of the building by a report, as applicable, and installed in accordance with thermal barrier in accordance with Section 4.5.2 of this Section 4.5 of this report. report. 4.5 Installations: Heatlok® HFO Pro spray-applied 4.5.2.1 Installation Using a Prescriptive Ignition polyurethane foam plastic insulation shall comply with one Barrier: When installed within attics or crawl spaces of the following requirements: where entry is made only for the service of utilities, Heatlok® HFO Pro spray-applied polyurethane foam • 2018, 2015, 2012 and 2009 IECC Sections plastic insulation at a maximum thickness of 7.5 inches C402.1 (prescriptive) (191 mm) on walls and other vertical surfaces and 11.5 • 2018, 2015, 2012 and 2009 IECC Section R407 inches (292 mm) on ceilings and other overhead surfaces (performance) shall be covered with a prescriptive ignition barrier in Page 2 of 7