CAV-PRIME Low-VOC EPDM & TPO Primer is Carlisle's Low-VOC membrane primer packaged in a pressurized cylinder for spray application. LowVOC Primer is a solvent-based product designed for one-step priming of EPDM or TPO surfaces prior to the application of Factory-Applied Tape™, Coverstrip, SecurTAPE™ and all other pressure-sensitive (PS) products. This product is designed to comply with VOC regulations. CAV-PRIME is applied via a self-contained spray system coupled with a spray gun with extension wand and applicator attachment kit. CAV-PRIME spray guns, hoses, and applicator attachment kits are each sold separately.