HydraShell™ MAX
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.


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.
More Sealants
Learn about our other sealant products featuring Marco’s tested-tough performance.