LionGUARD is used as a shingle underlayment on critical roof areas such as eaves, ridges, valleys, dormers and skylights. LionGUARD underlayments protect roofing structures and interior spaces from water penetration caused by wind-driven rain and ice dams. LionGuard may also be used as covering for entire roof to prevent moisture or water entry.

LionGUARD is a fl exible rubberized asphalt, fi berglass-reinforced membrane with a granular surface that provides maximum skid resistance during installation.

PDF icon Spec Data Sheet 56.23 KB
PDF icon SDS 426.63 KB