SKU: 43882614059

APOC #30 Tuff-Felt 36-in x 71.75-ft (200-sq ft) Felt Roof Underlayment — ASTM D226

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Description

APOC #30 Tuff-Felt 36-in x 71.75-ft (200-sq ft) Felt Roof Underlayment — ASTM D226APOC #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. Key Features: Heavy Duty Build: Minimizes wrinkling and lays flatter than economy felts Enhanced Waterproofing: Superior asphalt saturation helps keep water

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.


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

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

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.


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.


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


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.


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


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.


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

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 43882614059

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SC6218
Cuba, US
★★★★★ 5
Actually works, and really well
Color: Original Grey
I bought these because I got them on a great deal and was quite skeptical, but they actually worked exactly as advertised and I saw a huge difference after the first night! I understand why they don’t cover the whole foot like a regular sock (it would be stifling), but it would be incredible if they made a pair that go forward enough to cover the ball of the foot. One pair lasted about 3 weeks before the moisturizer wore out (I did notice a dropoff after washing, so for best results put them on when you’re clean and just for overnight, so you can avoid washing). Apologies for no photos- no one wants to see the before photos. These work so well I’ve just come back to order more even though I’m now paying full price. Definitely, definitely recommend.
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Reviewed in the United States on May 28, 2026
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Liana
New York, US
★★★★★ 5
Comfortably and works
Color: Original Grey
❤️ I used these with magnesium lotion on my heals for 3 nights, soaked my feet every morning and cracked heals are gone!
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Reviewed in the United States on April 25, 2026
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T. U.
Pawtucket, US
★★★★★ 5
A game changer for deep heel cracks and psoriasis!
Color: Original Grey, Color: Original Grey
If you have deep cracks or psoriasis on your heels, get these they are a total game changer! They hold in Vaseline and topical meds perfectly while I sleep, providing much needed relief without getting all over my sheets. My heels are healing faster and my callouses are softer and don’t split open because the moisture is trapped against the skin all night with the built in gel cushion lining instead of rubbing off. So much hydration. The fact that it is a 2 pack is perfect because while one pair is being washed and drying, you still have a set to wear. Very soft, stretchy, breathable, and easy to sleep in. I highly recommend them!
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Reviewed in the United States on January 31, 2026
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James P McMahon
San Leandro, US
★★★★★ 5
Great item!!
Color: Original Grey
These socks actually work!!! No more split skin on my heels!!
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Reviewed in the United States on May 9, 2026
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Paula S
Charlottesville, US
★★★★★ 3
Quality and Price
Color: Original Grey
For me a little tight on my ankles
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Reviewed in the United States on March 20, 2026

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