Versico’s VOC-free, energy-absorbing, impact resistant Flexible FAST Adhesive is for use with VersiFleece membranes and to secure insulation boards to the deck for a totally non-penetrating system application. This industry-leading breakthrough in urethane adhesive technology offers built-in elongation and energy-absorbing properties that work in conjunction with the VersiFleece membrane to enhance puncture and hail resistance.