





RELIABILT Synthetic Roof Underlayment, 48-in x 3.7, 1,000-sq ft Roll
RELIABILT Synthetic Roofing Underlayment, 10-square roll
Durable synthetic roof underlayment designed for superior weather protection and quick installation. The 48-in wide roll covers 1,000 sq ft and lays flat to replace #15 and #30 felt with improved tear resistance. Ideal for asphalt shingles and wood shakes.
Key Features:
- Weather Protection: Helps reduce leaks from severe weather with tear- and wind-resistant construction
- Easy Installation: Rolls out flat with printed layout guides for efficient fastening
- Felt Replacement: #15 and #30 felt alternative offering lighter weight and improved durability
- Wide Coverage: 48-in width and 1,000-sq ft per roll for faster roof dry-in
- Compatible Roofing: Use with asphalt shingles and wood shakes
Specifications Table:
| Specification | Details |
|---|---|
| Series Name | Synthetic Underlayment |
| Material | Synthetic |
| Application Method | Nail |
| Coverage Area (Sq. Feet) | 1000 |
| Length | 3.7 |
| Width (Inches) | 48 |
| Warranty | 20-year limited |
| For Use with Asphalt Shingles | Yes |
| For Use with Metal Roofing | No |
| For Use with Wood Shakes | Yes |
| For Use with Flat Roofing | No |
| UNSPSC | 30151500 |
| CA Residents: Prop 65 Warning(s) | No |
Frequently Asked Questions (FAQ):
Q: What roofing materials is this underlayment compatible with?
A: It is approved for use with asphalt shingles and wood shakes; it is not intended for metal or flat roofing.
Q: How is it installed?
A: Install using nails per local code and manufacturer guidelines; the roll lays flat and includes printed guides to aid fastening and overlap.
Q: What is the coverage of one roll?
A: Each roll covers approximately 1,000 sq ft (10 squares) and measures 48 inches wide by 3.7 squares in length.
Q: Does it have a warranty?
A: Yes, it carries a 20-year limited warranty.
Q: Is it safe for California customers regarding Prop 65?
A: The listing indicates no Prop 65 warning for this product.
Sleek Protection for a Polished Roofline
This synthetic underlayment brings a clean, modern foundation to any roof, streamlining installation while elevating performance. The subtle grid and branding add a professional, tailored touch beneath shingles. Pair it with deep-charcoal asphalt shingles for a crisp, architectural profile. A refined essential that underpins luxurious, long-lasting exteriors.
Secure a drier, stronger roof—choose RELIABILT Synthetic Underlayment for fast coverage and reliable protection.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
RELIABILT Synthetic Roofing Underlayment, 10-square roll
Durable synthetic roof underlayment designed for superior weather protection and quick installation. The 48-in wide roll covers 1,000 sq ft and lays flat to replace #15 and #30 felt with improved tear resistance. Ideal for asphalt shingles and wood shakes.
Key Features:
- Weather Protection: Helps reduce leaks from severe weather with tear- and wind-resistant construction
- Easy Installation: Rolls out flat with printed layout guides for efficient fastening
- Felt Replacement: #15 and #30 felt alternative offering lighter weight and improved durability
- Wide Coverage: 48-in width and 1,000-sq ft per roll for faster roof dry-in
- Compatible Roofing: Use with asphalt shingles and wood shakes
Specifications Table:
| Specification | Details |
|---|---|
| Series Name | Synthetic Underlayment |
| Material | Synthetic |
| Application Method | Nail |
| Coverage Area (Sq. Feet) | 1000 |
| Length | 3.7 |
| Width (Inches) | 48 |
| Warranty | 20-year limited |
| For Use with Asphalt Shingles | Yes |
| For Use with Metal Roofing | No |
| For Use with Wood Shakes | Yes |
| For Use with Flat Roofing | No |
| UNSPSC | 30151500 |
| CA Residents: Prop 65 Warning(s) | No |
Frequently Asked Questions (FAQ):
Q: What roofing materials is this underlayment compatible with?
A: It is approved for use with asphalt shingles and wood shakes; it is not intended for metal or flat roofing.
Q: How is it installed?
A: Install using nails per local code and manufacturer guidelines; the roll lays flat and includes printed guides to aid fastening and overlap.
Q: What is the coverage of one roll?
A: Each roll covers approximately 1,000 sq ft (10 squares) and measures 48 inches wide by 3.7 squares in length.
Q: Does it have a warranty?
A: Yes, it carries a 20-year limited warranty.
Q: Is it safe for California customers regarding Prop 65?
A: The listing indicates no Prop 65 warning for this product.
Sleek Protection for a Polished Roofline
This synthetic underlayment brings a clean, modern foundation to any roof, streamlining installation while elevating performance. The subtle grid and branding add a professional, tailored touch beneath shingles. Pair it with deep-charcoal asphalt shingles for a crisp, architectural profile. A refined essential that underpins luxurious, long-lasting exteriors.
Secure a drier, stronger roof—choose RELIABILT Synthetic Underlayment for fast coverage and reliable protection.











