STI firestop materials and pathway devices are high quality firestop products designed with the environment in mind. Wherever possible, formulations include material obtained from recycled sources. STI takes steps to minimize or eliminate volatile organic compounds (VOC’s). Further, these products are nontoxic and do not contain asbestos or halogens. Their attention to the environment does not end with the product. Strict and effective methods are employed to reduce packaging and promote the use of packaging with recycled material content.