APOC #30 Felt Roof Underlayment, 200-sq ft

Heavy-duty APOC #30 Tuff-Felt roof underlayment delivers breathable, water-shedding protection for steep-slope roofs. The 36-in x 71.75-ft roll lays flat, resists wrinkling, and provides durable secondary weather protection under shingles or wood shakes.

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Key Features:

• Heavy-Duty Build: Minimizes wrinkling and lays flatter than economy felts
• Enhanced Waterproofing: Superior asphalt saturation helps keep water out
• Breathable Protection: Allows moisture vapor to escape to reduce deck rot
• Easy Installation: Nail-fastened underlayment for quick, reliable application
• ASTM Compliance: #30 HD felt meeting ASTM D226; 36-in x 71.75-ft, 200-sq ft coverage

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Specifications Table:

Specification	Details
Type	Roof deck protection
Material	Felt
Application Method	Nail
Underlayment Grade	#30
Coverage Area (Sq. Feet)	200
Length (Feet)	71.75
Weight (lbs.)	56
Width (Inches)	36
Warranty	None
For Use with Asphalt Shingles	Yes
For Use with Metal Roofing	No
For Use with Wood Shakes	Yes
For Use with Flat Roofing	No
Standards	ASTM D226
UNSPSC	30151500

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Frequently Asked Questions (FAQ):

Q: What roofing materials is this underlayment compatible with?
A: It’s designed for steep-slope roofs and is suitable under asphalt shingles and wood shakes; not recommended for metal or flat roofing.

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Q: How is it installed?
A: Install with nails over a clean, dry deck, following standard lapping and fastening practices per local codes and ASTM guidelines.

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Q: Is the material breathable?
A: Yes, the felt membrane is breathable to help moisture vapor escape while shedding liquid water.

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Q: What is the roll size and coverage?
A: Each roll measures 36 inches wide by 71.75 feet long and covers approximately 200 sq ft.

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Q: Does it have a warranty?
A: No manufacturer warranty is specified for this product.

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A Timeless, Workhorse Layer for a Clean, Resilient Roofline

This #30 felt underlayment quietly elevates the envelope of your home, creating a disciplined foundation beneath shingles or shakes. I love its weight and breathability—qualities that keep lines crisp while protecting the structure. Pair it with warm cedar shakes for a nuanced, coastal sensibility or classic architectural shingles for tailored sophistication. It’s an essential layer for enduring, luxurious curb appeal.

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Upgrade your next roofing project with APOC #30 Tuff-Felt for flat-laying, breathable protection that lasts.