View source for Materials:Polyboard 180 Combo

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<big><big>Division C - Accepted Materials</big></big>
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<big><big><big><big><big>Polyboard 180 Combo</big></big></big></big></big><br>
<big><big><big>by Polyglass USA, Inc.</big></big></big><br>
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| style="background-color:#FFFACD"  | '''<big>Material Acceptance and Product Details</big>'''
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The information published in the RCABC '''''Roofing Practices Manual''''' and offered below does NOT represent a complete set of the manufacturer’s data or specifications, nor is this material recommended or endorsed by the ''Guarantor''. The preparation of a detailed specification is the responsibility of the ''Design Authority''.
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;'''Manufacturer''': [http://www.polyglass.com  '''Polyglass USA, Inc.''']
;Accepted for the ''RoofStar Guarantee Program'': January 19, 2024
;Accepted for application in: Waterproofing Roof Systems<br>Grade-level Waterproofing Systems<br>Water-shedding Roof Systems
;Acceptance Criteria: [https://rpm.rcabc.org/images/9/9e/Acceptance_Criteria_RGC_ACWP-MOD.pdf '''RGC ACWP-MOD'''] (RGC ACCEPTANCE CRITERIA for MANUFACTURED POLYMER-MODIFIED, REINFORCED BITUMINOUS SHEET MEMBRANES Used in Roof Waterproofing and Grade-level Waterproofing Systems) (for membrane only)
;Product Summary: '''Polyboard 180 Combo''' is an SBS polymer-modified polyester-reinforced base sheet factory-bonded to an asphaltic overlay board, manufactured with 4” lap extensions on one side and on one end.  It is designed to provide a flame barrier over flame sensitive substrates for safer torch-welding of SBS cap sheets. The combination of membrane and asphaltic board makes application a one-step process. This product may be installed over wood, concrete, rigid insulation or as a recover sheet over an existing roof surface which is to be re-roofed. It is produced in sheets 36” wide by 60” long. It has a self-adhering 4” side lap and a self-adhering 4” end lap.
:(adapted from the Technical Data Sheet)

;Conditions and Limitations: None

;Technical Data Sheet:Click the "PDF" icon to open the TDS in a new window.

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