Imperflex USA is a smooth-surfaced SBS modified bitumen base sheet designed specifically for use in Imperflex roof systems. This versatile product can also be used as an underlayment and for waterproofing below-grade foundations, footings and basements.Datasheet Details Specs Brochure
All values given are approximate and are subject to change without notice. There is no implied or express warranty given through these values, or statements, nor are there any assertions that the product purchased has been individually tested to conform to these standards. Testing is performed on a random basis, "in house" and at times with third party evaluation for the purpose of classification and or approval. Acceptance, purchase and selection of these products is the sole responsibility of the roofing contractor, architect, consultant, owner or buyer. We participate in UL and FMRC follow-up service in order to keep our classifications and approvals active.