GAF LRF O Adhesive is a two component, VOC free, low rise, bulk packaged, polyurethane foam adhesive that contains no solvents and sets in minutes. GAF LRF O Adhesive is also available as a simple-to-use cartridge with disposable mixing tip for small jobs. Application is quick and easy, resulting in significant labor savings for the contractor. LRF O Adhesive is dispensed through the PaceCart, which equally mixes Part A and Part B of the adhesive, thus providing a quality, consistent application each time.