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• `fechnical Evaluation Report(TER) 5.4.3. Thermai�arri�r—7hermasheath�-XP, 1'�3(-8500,TSX-8510 and TSX-�520(/RC and/�C�uildings) 5.4.3.1. Except as provided in :�e:cti�n.a,�.3 'l__. and 5�.ction 5.4.�,,Thermasheath�-XP,TSX-8500, TSX-8510 and TSX-8520 panels, up to 12"(304.8 mm) in thickness, may be installed within the building envefope(including but not limited to,attics, crawlspaces, and wall,roof,floor and ceiling assemblies) of all building types when separated from the interior with a thermal barrier consisting of a minimum %2'gypsum wallboard or an approved equivalent in accordance with IF�C 5Hctic�r�f:3 i Ei,�and_I„C SF:ction 26Q3.�s. _ 5.4.3.2.Thermasheath�-XP,TSX-8500,TSX-8510 and TSX-8520 are specifically approved for use without a thermal barrier or ignition barrier as prescribed by If;C 5�ctiUri_f131�i.�}through E2;3'lu,;;._i 3 and 18C 5c;ctic��-i 2�03,4_through_7_6U3,£i,, based on large-scale testing conducted in accordance with UL 9715 per IF2C SecEioi� it3'i_G,�and 1L3C.5�c:tiior7.;z��Cj3,�0 as follows: 5.4.3.2.1. Panels may be installed in single or multiple layers. 5.4.3.2.2. In a walls-only application,the panels are permitted to be used without a thermal barrier or ignition barrier in thicknesses not to exceed 4.5"(114.3 mm). 5.4.3.2.3. In a ceiling-only application,the panels are permitted to be used without a thermal barrier or ignition barrier in thicknesses not to exceed 12"(304.8 mm). 5.4.3.2.4. In an application where the panels are used on both the walls and ceilings, use of a thermal barrier or ignition barrier is required on either the wall or the ceiling. Panels may be installed in single or multiple layers in thicknesses up to 12"where covered by a thermal barrier or ignition barrier. The exposed wall or cei6ng assembly must comply with Section :i.�i,3.2.2 or Ssction 5.4.3,?..3, respectively. 5.4.3.2.5. When the panels are covered,the covering shall comply with the interior finish requirements of !BC Char>4er 8 and IRC 5ectir�n Kld�,i,as applicable. 5.4.4. Potential Heat 5.4.4.1.7SX-8500, TSX-8510 and TSX-8520 have been tested to assess their performance as shown in Yable 4 with regard ta potential heat in accordance with NFPA 259 and!BC S�cticm 1�03.5.�. Fire Performance—PotenHal Heat� Product Potential Heat(BTUIIb.) TSX-8500,TSX-8510&TSX-8520 11,054 1. Tested ln accadance wflh NFPA 259. _ , Table 4:Potential Heat of TSX-8500,TSX-85i0&TSX-8520 5.4.5. Ignition Properties ""� 5.4.5.1.TSX-8500, TSX-8510 and TSX-8520 were evafuated to assess performance with regard to ignition in accordance with lE�C Section?603.5a7_ 5.4.5.1.1. The insulation boards comply with this section when the exterior side of the sheathing is protected with one of the following materials: 5.4.5.1.1.1. A thermal barrier in accordance with!BC Section Z603.4. 5.4.5.1.1.2. Masonry or concrete—minimum 1"(25 mm)thick. 5.4.5.1.1.3. Glass-fiber-reinforced concrete panels—minimum 3/B'(9.5 mm)thick. 5.4.5.1.1.4. Metal-faced panels having a minimum 0.019"(0.48 mm)thick aluminum or 0.016"(0.41 mm)lhick corrosion-resistant steel outer facings. 5.4.5.1.1.5. Stucco—minimum '/e'(22 mm)thick complying with IE3C Section 2510. 5.4.6. Vertical and Lateral Fire Propagation 5.4.6.1.TSX-8500 has been tested to assess its performance with regard to vertical and lateral fire propagation in accordance with NFPA 285 and !�C�ectwn?f�03.5.5. 5.4.6.2. Engineering analysis has also been conducted to assess substitution of other products within the approved wall assemblies. 5.4.6.3.The wall assemblies listed in Table 5 are approved for use in buildings of Type I-IV construction with a maximum 3"thickness of TSX-8500, TSX-8510 or TSX-8520. TER No. 1309-03 Page 6 of 11 Rmax Thermasheath�-3, Thermasheath�-XP, TSX-8500, TSX-8510&TSX-8520