Base sheets set the foundation for the performance of the roof, which is why ours are manufactured with the highest quality asphalts and reinforcements.
Beta Base is an oxidized bitumen, fiberglass reinforced base sheet that can be used in modified bitumen and traditional built-up roof systems.
DatasheetAll 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.