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Sure Foot Titanium UDL-50 Synthetic Roof Underlayment, 48 in. x 250 ft. Roll, 10 Squares, 30 mil
Regular price $268.75Orders start at $399 — combine any items to reach the minimum. Learn more
Sure Foot Titanium UDL-50 Synthetic Roof Underlayment, 48 in. x 250 ft. Roll, 10 Squares, 30 mil
The Sure Foot Titanium UDL-50 is a commercial-grade synthetic roofing underlayment for sloped roofs, sold as one 48 in. x 250 ft. roll covering 10 squares. It provides commercial-grade protection from air, water, and vapors on metal, clay, concrete tile, slate, and heavy-weight laminated asphalt shingle roofs. It pairs with Titanium PSU-30 self-adhered underlayment in premium roofing systems.
Key Features:
- Slip-resistant surface: Patented SURE-FOOT slip-resistant nodular walking surface with advanced resin technology for superior steep-slope walkability.
- Strong yet light: 5 times lighter and 25 times stronger than #30 felt.
- Commercial-grade build: Tougher, thicker, robust construction suited to commercial applications and harsh environmental conditions.
- All-temperature flexibility: Flexible from -40 degrees F to 240 degrees F with up to 6 months of UV exposure.
- Mold-inert synthetic: Synthetic construction is inert to mold growth.
- Recycled content: SCS certified minimum of 20% reclaimed content and 100% recyclable; contributes to LEED points.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Sure Foot |
| Manufacturer model | UDL-50 |
| Sell unit | 1 roll, 48 in. x 250 ft. |
| Material | Coated woven synthetic (mechanically attached) |
| Color / finish | Synthetic underlayment |
| Nominal size | 48 in. x 250 ft. per roll |
| Length | 250 ft. (76.2 m) |
| Width | 48 in. (122 cm) |
| Thickness | Minimum 30 mils (0.75 mm) |
| Coverage per unit | 10 squares (93 m²) per roll |
| Weight | 48 lb (21.8 kg) per roll |
| Temperature range | -40 degrees F to 240 degrees F |
| UV exposure limit | Up to 6 months |
| Intended use | Sloped-roof underlayment for metal, clay and concrete tile, slate, and heavy-weight laminated asphalt shingles |
| Recycled content | SCS certified minimum 20% reclaimed, 100% recyclable |
Coverage & How Much You Need:
One roll measures 48 in. x 250 ft. and covers 10 squares (about 1,000 sq ft of roof area) at full coverage. Size your job by roof area in squares and order one roll per 10 squares, following the manufacturer's installation instructions for laps and fastening.
Fit and Compatibility:
Designed for sloped roofs under metal, clay and concrete tile, slate, and heavy-weight laminated asphalt shingles. It is used in conjunction with Titanium PSU-30 self-adhered underlayment, which is sold separately; mechanically attach per the manufacturer's installation instructions.
Frequently Asked Questions (FAQ):
Q: What is included in the sell unit?
A: One roll of Titanium UDL-50 synthetic underlayment, 48 in. x 250 ft., weighing about 48 lb.
Q: How much area does one roll cover?
A: One roll covers 10 squares (approximately 1,000 sq ft of roof area) before lap deductions.
Q: Is it safe to walk on during installation?
A: Yes—the patented SURE-FOOT slip-resistant nodular walking surface provides superior walkability on steep slopes.
Q: How long can it be exposed to the sun?
A: It withstands up to 6 months of UV exposure, allowing staged roof construction.
Q: Can it be used under tile or metal roofs?
A: Yes, it is engineered for sloped roofs with metal, clay and concrete tile, slate, and heavy-weight laminated asphalt shingles.
Q: Is it mold resistant?
A: The synthetic construction is inert to mold growth.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
UDL-50 is the right choice when a premium long-life roof covering—metal, tile, or slate—demands a durable secondary water barrier; for standard asphalt jobs a lighter Titanium grade may suffice. Its 6-month UV rating and wide temperature flexibility make it forgiving on multi-day installs. Pair it with Titanium PSU-30 at eaves, valleys, and penetrations for a complete premium underlayment system, and follow the printed lap and fastening pattern.
Synthetic underlayment can be slippery, especially when wet or dusty—wear appropriate fall protection and slip-resistant footwear on sloped roofs.
Add Sure Foot Titanium UDL-50 synthetic underlayment rolls to your premium roofing job today.
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