CSI Specs

View CSI Specs

CSI Specs outline all system types for a membrane and provide details about warranties and installation.

Form Specs

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Word documents that can be edited in order to adhere to a particular membrane and system type.

Guide Specs

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A short, descriptive specification written for a particular membrane and system type.


View NVELOP Specs

CSI Format Specs and Design Guide for the NVELOP System, a total building envelope system warranty.



NVELOP is the industry's most comprehensive building envelope system, backed by the industry's only tie-in warranty.

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If you have general inquiries, please direct them to the form located at the link below, otherwise you may direct questions to the departments listed here.

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Design Services can aid in helping with LEED, design, V2T, and specifications.

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Project Review can help with warranty and installation questions.

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Any questions about tapered design can be directed below.

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Education Resources

Versico has developed a series of videos showcasing details for membrane systems and accessories, contractor testimonials, and inspection videos; which can be found in the video hub.

ASCE 7 Calculator Icon
This program allows users to determine the appropriately tested adhered or mechanically fastened membrane roofing system for a particular project.
Code Approvals Icon
Versico's code approval guides show design professionals what UL and/or FM requirements are necessary for different systems.
Directory Icon
The Directory of Roof Assemblies (DORA) is a database of roof systems tested in accordance with the standards referenced in Chapter 15 of the International Building Code (IBC).