APOC Tuff-Felt Premium Asphalt Saturated Underlayment's are designed and manufactured with our exclusive, heavy weight reinforcements that greatly increase tensile strength and prevent the tearing of felts during installation. These 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:

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