Difference between revisions of "Materials:Sikalastic 641 Lo-VOC"

Latest revision as of 18:59, 25 May 2022

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.

Manufacturer: Sika Canada Inc. Accepted for RoofStar Guarantee Program February 2020 Accepted for application in Roof Waterproofing Systems Grade-level Waterproofing Systems 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) 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.

Click below for 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.
+: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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