APOC® Tuff-Felt Premium Asphalt Saturated Underlayments are designed and manufactured with our exclusive, heavy weight reinforcements that greatly increase tensile strength and prevent the tearing of felts during installation. Tuff-Felt products are made from a select combination of recycled and virgin wood pulp and are produced using a specialized and unique process. This unique process allows Tuff-Felt products to incorporate Tru-Breathe™ and Safe-Step™ Technology, resulting in vastly improved underlayments that have been "Tested Best" by leading roofing contractors.

Features:

• Safe-Step™ Technology
• Excellent underlayments for steep-slope roofing
• Tru-Breathe™ Technology
• Can be installed under all types of building materials