Slide background
Slide background
Slide background
Slide background
Slide background

Introducing FT Synthetics HYDRA, a breathable (16 Perms) synthetic roofing underlayment  designed to add an extra layer of protection from water penetrating your roof and at the same time help the release of trapped moisture due to poor attic ventilation. HYDRA is high strength, light weight, durable for up to 6 months UV exposure and has a 40 year limited warranty. HYDRA includes our slip resistant GRIPSPOT™ technology top surface for superior walkability during installation. HYDRA is a 100% recyclable product.

  • GRIPSPOT Technology for superior slip resistance
  • Durable breathable three layer construction
  • Helps prevent roof deck rot due to poor attic ventilation
  • Safe and easy installation
  • 180 day UV resistant
  • Does not wrinkle or curl
  • Low temperature flexibility
  • 6x stronger and 5x lighter than traditional #30 felt
  • Meets and exceeds ASTM D226 Types 1 & 11
  • Meets and exceeds ASTM D4869
  • 40 year Limited Warranty
WIDTH48" (1.22 M)
LENGTH250' (76.2 M)
Test and StandardFT SYNTHETICS HYDRA30 Lb. Felt
Material Composition
UV Resistance6 MonthsNA
ASTM D226 Type I & IIMeets or ExceedsMeets
Water shower Exposure ASTM D 4869
Permeability ASTM E96-A
16 Perms
5 Perrms
Temperature Range 
-40°F to 240°F
Nominal Thickness ASTM D1777 
30 mils / 0.76 mm
60 mils / 1.54 mm
Slip Resistant Surface
Class A Fire ASTM E108PassNA
Warranty40 YearsNone
The Data shown above is based on the test averages and independent test reports. There can be a +/-10% variation in the individual test results. This report should not be considered as a warranty for the manufacturer. The manufacturer is not responsible for the misrepresentation or misinterpretation of the data by the reader. Please find out more about the product by calling 1-844-353-9839 or visit www.ftsyn.com

Caution: Always follow Safety Instruction, Building Codes and Safe Work Practices issues by the local Govt. bodies (e.g. OSHA / WCB)

FT Synthetics products should be installed with Plastics Cap or Metal Cap nails with either ring shank or smooth shank Nails. DO NOT USE STAPLES. Use of staples will void the Manufacturer’s warranty.
FT Synthetics HYDRA is a secondary layer protection approved for installation over plywood with proper fasteners. FT Synthetics HYDRA is laid out horizontally with printed side up using 6” vertical laps and 4” horizontal laps. The overlaps ensure that the water runs over the overlaps without getting under the material. Before installing the underlayment ensure that the roof is clear of any debris or any sharp protrusions.
HYDRA must be attached to the roofing structure using 1” plastic or metal cap nails. HYDRA must be fastened with the nail pattern printed on the product. All anchoring must be performed flush to the roof, 90 degrees to the roof deck that will hold the material tightly with the plywood. For prolonged exposure, double the overlaps. HYDRA has  6 months UV protection but it should not be considered a final roofing system. A proper final roofing system should be installed over the product to get the proper protection. HYDRA is a secondary barrier used over plywood, under a roofing system like wood and asphalt shingles, tiles, slate and metal roof.

Safety Notification:
FT Synthetics products are designed with the GRIPSPOT technology for better skid protection for the roofer but product may become slippery due to high moisture, frost, rain, water, dust, debris or other conditions. Use precautions when working on the roof. Follow all local and federal safety codes when installing any roofing system including FT Synthetics products. Failure to adhere to those procedures may result in serious injury or even death.

Contact Us

Need more information? Send us an email and we'll get back to you, asap.