RELIABILT Synthetic Roof Underlayment, 48 in × 100 ft
$34.28 each
Orders start at $399. Combine any items to reach it.
- 1 item
- $34.28
- Oversize delivery
- $99.00 per order
- Sales tax
- Added at checkout
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Oversize delivery$99.00
Per order, added in your cart. We deliver to the 48 contiguous states.
Availability confirmed by the desk at approval, with your delivery date. Shipping policy · Returns
Hardwood flooring
Details & specifications.
From the maker · the maker’s description
A durable, lightweight synthetic underlayment designed to protect roofs as a secondary water-shedding barrier. The RELIABILT N series rolls out flat, resists tearing in high winds, and installs easily with clear fastening guides.
Streamlined Shelter with Modern Resilience
This underlayment quietly elevates the roofscape with a refined, grid-lined surface that feels tailored and precise. I love the four-layer construction—it’s the invisible armor that keeps the architecture confident through seasons. Pair it with dark architectural shingles to heighten contrast and create a crisp, contemporary silhouette. Consider it an essential foundation for luxurious living that values longevity as much as style.
Protect your next roofing project with RELIABILT’s durable N-series underlayment—order a roll today and build in lasting confidence.
- SKU
- RB04100C
- Material
- Synthetic
- Series Name
- N
- Application Method
- Nail
- Coverage Area (Sq. Feet)
- 100
- Length (Feet)
- 100
- Width (Inches)
- 48
- Weight (lbs.)
- 8.93
- CA Residents: Prop 65 Warning(s)
- No
- 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
- Full product name
- RELIABILT N 48-in x 100-ft (100-sq ft) Synthetic Roof Underlayment, RB04100C
Key features
- Durable Synthetic Build: 4-layer technology resists stretching, tearing, and blow-off in high winds
- Easy, Flat Install: Rolls out smoothly with clearly marked fastening guides for faster application
- Weather Protection: Helps reduce leaks from severe weather as a secondary water-shedding layer beneath primary roofing
- Versatile Compatibility: Suitable for asphalt shingles and wood shakes
- Long-Lasting Assurance: Backed by a 20-year limited warranty
Specifications are provided by the manufacturer. Brand names are trademarks of their owners.
It is designed for use under asphalt shingles and wood shakes; it is not intended for metal or flat roofing.