






APOC #30 Tuff-Felt 36-in x 71.75-ft (200-sq ft) Felt Roof Underlayment — ASTM D226
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.
Original: $36.24
-70%$36.24
$10.87Product Information
Product Information
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Description
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.


















