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Titanium UDL 25 Synthetic Underlayment

- Available in 2 Options. Pricing may vary.

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Product Information


Titanium™ UDL-25 is a highly engineered coated woven synthetic material that offers a reliable secondary layer of protection under all types of primary sloped roofing material. Unlike felt, its recyclable polyolefin construction doesn't expand or contract and is inert to mold and mildew growth. UDL25 is 100% synthetic and unlike oil saturated felt is unaffected by water. It is engineered to lay flat and will not buckle or wrinkle when exposed to temperature and moisture fluctuations on the roof. Unlike oil saturated felts, UDL25 does not dry out, leach oils in the heat, nor does it become stiff, difficult to roll or crack in the cold.

UDL25 is designed for use under; asphalt and synthetic shingles, metal roofing, and cedar shakes. Titanium UDL25 must be covered by primary roofing within 180 days of application. Before installing, make sure the deck surface is dry and free of debris. For slopes 2:12 and higher, UDL25 is to be laid out horizontally (parallel) to the eave with the printed side up. The use of a roofing hammer, hatchet hammer, pneumatic air or gas driven fastener tool is acceptable. For more directions, please see Installation Instructions below.

Compare to Hydroshield 25 Synthetic UnderlaymentFT Synthetics Hydra Synthetic Underlayment


  • SURE-GRIP™ ridged walking surface with slip resistant coating technology
  • 100% Recyclable
  • Cool light grey surface doesn't expand or contract
  • 14 x Stronger and 11 times lighter than #30 felt
  • 6 Month UV exposure rating
  • All temperature flexibility (-40 degree F to 240 degree F)
  • Class A Fire - ASTM E108
  • Meets and exceeds ASTM D226
  • Meets Class 4 Hail rating


  • Length Per Roll: 250’ / 76.2 m
  • Width Per Roll: 48” / 122 cm
  • Weight Per Roll: 31 lbs / 14 kg
  • Roll Size: 10 sq / 93 m²
  • Coverage per Roll: 1000’²
  • Coverage per Pallet: 56000’²
  • Minimum Thickness: 15 mils (0.38 mm)

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