Code Size
AP-4005 5 Gal
AP-4007 55 Gal
AP-400-275 Tote

APOC® 46 Tuff-Felt® Premium Roof Underlayment

Certifications Image 1

Certifications Image 2

Certifications Image 3

Technical Data

Technical Data

APOC 46
Tuff-Felt Premium Roof Underlayment

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

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 virgin and recycled wood pulp and are produced using a unique and specialized 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.



×