Step 1
Lay out horizontally on the eave, printed side up, with 3” horizontal laps and 6” vertical laps.
Step 2
Fasten with 1” diameter plastic cap roofing nails or staples according to pre-printed nail pattern.
Manufactured from 100% synthetic materials, HydraShell MAX has a four-layer construction, making it 25 times stronger than #15 felt and 12 times stronger than #30 felt. HydraShell MAX has a Class A fire rating and a 90-day UV exposure rating. It won’t wrinkle or absorb water, and it stays flexible in cold weather.
HydraShell MAX requires significantly fewer fasteners than the competition and provides a tough, durable deck cover. Less weight per roll and a nonwoven walking surface makes for a simple and easy installation. Backed by a 30-year limited warranty, HydraShell MAX is designed for use under all types of roofing materials including asphalt shingles, synthetic shingles, cedar shakes, and metal.
Warranty: 30 Year
Roll Dimensions: 40” x 300’
Permeability: 0.1 perms
Water Transmission: Pass
Tear Strength: 33 lbs MD/24 lbs CD
Tensile Strength: 95 lbs MD/85 lbs CD
Burst Strength: 160 psi
Elongation: 20%
Weight Per Square: 1.96 lbs
Nominal Thickness: 6.2 mils
Temp. Range (Internal): -70°F to 240°F
HyrdraShell MAX is lighter than felt so its easier to handle. It offers more coverage per roll and is pre-printed with a nailing pattern for easier installation.
Lay out horizontally on the eave, printed side up, with 3” horizontal laps and 6” vertical laps.
Fasten with 1” diameter plastic cap roofing nails or staples according to pre-printed nail pattern.
Calculate the exact amount of ventilation needed for a well-balanced system.