HYDRASHELL
• The most slip resistant underlayment in the industry
• 20 times stronger than felt – won’t tear off or buckle when wet
• 10X lighter per square and 20X stronger than 30# felt
• UV resistant – can be exposed for up to 6 months
• Class A fire resistant
• Installs with nails or staples
• Pre-printed nailing pattern speeds installation
• 20 times stronger than felt – won’t tear off or buckle when wet
• 10X lighter per square and 20X stronger than 30# felt
• UV resistant – can be exposed for up to 6 months
• Class A fire resistant
• Installs with nails or staples
• Pre-printed nailing pattern speeds installation





