Carlisle's RapidLock (RL) Roofing System is a revolutionary method of membrane attachment resulting in a fully adhered membrane without the use of adhesives. This innovative system utilizes VELCRO® Brand Securable Solutions along with FleeceBACK RL EPDM to achieve performance equal to traditional adhered single-ply systems. Underlayment options include 2.0" InsulBase® RL or SecurShield® HD RL Polyiso resulting in a VOC and odor-free attachment method having no temperature restrictions. Significant labor savings are achieved due to the simplicity of the system and ease of installation.