View source for Materials:Sikalastic 641 Lo-VOC

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| style="background-color: #ffffcc; column-width:100%" | '''Notice to the Reader''': 

The roofing assembly / material information published in the RCABC '''''Roofing Practices Manual''''' and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority. 
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| '''Manufacturer''': [http://www.sika.ca  '''Sika Canada Inc.''']
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;Accepted for '''''RoofStar Guarantee Program''''': February 2020
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;Accepted for application in: Roof Waterproofing Systems<br>Grade-level Waterproofing Systems
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;'''Product Summary''':  '''Sikalastic 401 Lo-VOC''' roofing systems combine cold applied, aliphatic, single component, moisture-triggered polyurethane resins with fiberglass mat or polyester fleece reinforcement to create a seamless membrane and flashing system. System components are:
:*Sika or Sikalastic Primer - Select primer per substrate material in accordance with Priming Guide
:*Sikalastic 641 Lo-VOC - Resin used for all systems with polyester fleece reinforcement
:*Sika Reemat Premium - Chopped strand fiberglass mat
:*Sika Fleece 120, 140, 170 - Non-woven, needle-punched polyester fleece in various weights

:(adapted from the Technical Data Sheet)
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;Conditions and Limitations: None - Accepted for all roof applications
:NOTE: Sikalastic 641 Lo-VOC Roofing System is Accepted as a system (in combination with their associated components) by the RGC for Waterproofing Systems on roofs and at grade.  The products must be installed as a new membrane (not as a retrofit product), to a minimum combined dry thickness of 72 mils.
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:Click below for the '''Technical Data Sheet'''.

<div style="width:150px; text-align: left;">
:[[File:Pdf.png|150 px|link=http://rpm.rcabc.org/images/d/da/Sika_Sikalastic_641_Lo-VOC_TDS.pdf | '''Technical Data Sheet''']]
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