Mid-States Asphalt

Mid-States Asphalt 15# and 30# roofing felt underlayments are time-tested, asphalt-saturated base sheets designed to provide a secondary layer of moisture protection under roofing shingles. Made from organic felt and saturated with asphalt, these products offer dependable performance for steep-slope roof systems. 15# felt is lightweight and ideal for basic protection, while 30# felt delivers greater thickness and strength for enhanced durability.

Features & Benefits

Performance

• Asphalt-saturated organic felt provides a traditional, water-resistant underlayment layer
  
• 15# felt offers a lighter, more flexible option
  
• 30# felt delivers added thickness and tear resistance for stronger protection

Installation

• Installs easily with roofing nails or staples
  
• Lays flat with minimal curling for smooth shingle application
  
• Compatible with most asphalt shingle roof systems

Protection & Durability

• Helps prevent moisture infiltration from wind-driven rain
  
• Acts as a secondary barrier beneath shingles
  
• Widely accepted in building codes and trusted by roofing professionals