Learn about Ozone Transport Commission (OTC)

OTC is a multi-state organization created under the Clean Air Act (CAA.) The OTC is responsible for advising EPA on transport issues and for developing and implementing regional solutions to the ground-level ozone problem in the Northeast and Mid-Atlantic regions. Included in the OTC regulations that have been established are restrictions on the use of certain roofing materials such as primers and adhesives.

Ozone Transport Commission (OTC) Documents

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Press Release: Carlisle Introduces Improved SAT (Self-Adhering Technolgy) TPO Membrane

New formulation provides superior resistance to unwanted bunching of the membrane, as well as excellent adhesion. Tests confirm that Carlisle’s SAT TPO helps reduce labor costs by up to 80% compared to traditional fully adhered TPO installations.

Low-VOC Bonding Adhesive Product Data Sheet (PDS/TDB)

Solvent-based, low-VOC bonding adhesive for all Carlisle EPDM and TPO roof systems makes installing a VOC-compliant single-ply roof easier and more efficient than ever before.

Aqua Base 120 Bonding Adhesive Product Data Sheet (PDS/TDB)

Aqua Base 120 is a semi-pressure-sensitive, water-based bonding adhesive for FleeceBACK, EPDM, and TPO membranes.


Solvent-based, low-VOC primer for use with Carlisle EPDM products including Factory-Applied Tape and pressure-sensitive accessories

Low VOC PVC Bonding Adhesive 309126 GHS SDS Final

High-strength, solvent-based contact adhesive for use with Carlisle's standard and KEE-enhanced PVC roofing systems in areas with VOC regulations and restrictions
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Ozone Transport Commission (OTC) Media

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