Materials:Colvent Base 840

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Materials:Colvent Base 840

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: Soprema Inc.
Accepted for RoofStar Guarantee Program
October 2015
Product Summary
Colvent Base 840 is a sanded-surface variation of Colvent Base 830 and replaces the older 810 Base. The Colvent Base 840 is a self-adhering, semi-adhered base membrane manufactured with ventilation channels on the bottom face. It is intended for application using a primer. Read the Technical Data Sheet for application requirements.
Note that this product does not require the installation of an insulation overlay if installed according to the membrane manufacturer's published requirements.
Also note that his product is Accepted for use directly on Sopra-Iso Plus, which is proprietary to the membrane Manufacturer. Application of this base membrane on other insulation panels is permissible only under a written Variance issued by the RGC.
Installation Guidelines
Click below for the Technical Data Sheet.
Technical Data Sheet



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