3814 W MUKILTEO BLVD 2021-09-07 - Laserfiche WebLink

v 1 ¢ Code Compliance Research Report CCRR-1043 Page 4 of 8 d. Under-floor (crawl space) ventilation is provided when 4.6 Duct Insulation: required by IBC Section 1202.4 or IRC Section R408.1,as applicable. Gaco F1850 may be applied to residential ducts in attics and e. Attic ventilation is provided when required by IBC Section crawl spaces in compliance with IRC Section M1601.3. The 1202.2.1 or IRC Section R806, except when air- insulation must be protected in accordance with the ignition impermeable insulation is permitted in unvented attics in barrier requirements of either Section 4.4.1 or 4.4.2. accordance with IBC Section 1202.3 or IRC Section R806.5 [2009-R806.4]. 5.0 CONDITIONS OF USE f. Combustion air is provided in accordance with IMC (International Mechanical Code) Section 701 [Sections The Gaco F1850 described in this Research Report complies 701 and 703]. with, or is a suitable alternative to, what is specified in those Codes listed in Sections 1.0 and 2.0 of this report,subject to the Gaco F1850 is an air-impermeable insulation and may be following conditions: installed in unvented attics, as described in this section, in accordance with IBC Section 1202.3 or IRC Section R806.5, 5.1 Installation must comply with this Research Report,the when applied at a minimum thickness of 1 inch. manufacturer's published installation instructions, and the 4.4.2.2 Application of Insulation: Gaco F1850 insulation applicable Code. In the event of a conflict between the may be spray-applied to the underside of the roof sheathing manufacturer's instructions and this report, this report and/or rafters in attics;the underside of wood floors in crawl governs. spaces; and to vertical surfaces in both attics and crawl 5.2 The insulation must be separated from the interior living spaces, as described in this section. The thickness of the space of the building by a thermal barrier as described in foam plastics applied to the underside of the top of the space Section 4.3,except as described in Sections 4.3.2 and 4.4. must not exceed 10 inches,and to vertical surfaces must not exceed 8 inches. The insulation may be installed without 5.3 The insulation must not exceed the thicknesses noted in prescriptive ignition barrier required by IBC Section Sections 3.2,4.3,4.4,and 4.5 as applicable. 2603.4.1.6 or IRC Section R316.5.3 and R316.5.4 or a protective coating. 5.4 Use of the insulation in Types I,II,III,and IV construction must be as described in Section 4.5. 4.4.2.3 Use on Attic Floors:Gaco F1850 insulation may be installed exposed (no coating) at a maximum thickness of 5.5 Use of the insulation in areas where the probability of 10 inches between and over the joists in attic floors. The termite infestation is "very heavy" must be in accordance insulation must be separated from the interior living space by with IRC Section R318.4 or IBC Section 2603.8,as applicable. an approved thermal barrier. The insulation may be installed without the prescriptive ignition barrier required by IBC 5.6 Jobsite certification and labeling of the insulation must Section 2603.4 and IRC Section R316.5.3 or protective comply with IRC Section N1101.10 and IECC Sections C303.1 coating. or R30,as applicable. 4.5 Exterior Walls in Types I,II,III,and IV Construction: 5.7 The insulation is produced in Waukesha, Wisconsin, under a quality control program with inspections by Intertek Gaco F1850 may be installed in exterior walls of buildings of Testing Services NA, Inc.(AA-647). Types I,II,Ill,and IV construction complying with IBC Section 2603.5 and as described in the section. Intertek Design 6.0 SUPPORTING EVIDENCE Listings GWL/FI 30-01 and GWL/FI 30-02 describe the assemblies tested and certified by Intertek as complying with 6.1 Reports of tests in accordance with:ASTM C518,ASTM NFPA 285. The test wall assemblies were extended to include E84,ASTM E2178,ASTM E2357,ASTM E96,ASTM C411,NFPA various wall constructions described in Tables 3 and 4 285,NFPA 259,and UL 1715. through a third-party engineering analysis. The potential heat of the foam plastic in any portion of the wall must not 6.2 Data in accordance with the ICC-ES Acceptance Criteria exceed 7142 Btu/ft2. for Spray-applied Foam Plastic Insulation (AC 377), dated April 2016, including reports of test in accordance with Appendix X. 545 E.Algonquin Road •Arlington Heights• Illinois•60005 intertek.com/building121 ;�1° Intertek PCA-101 Version:21 December 2017 SFT-CCRR-OP-40b