MBTechnology's "Ice & Moisture Block SBS" is a SBS-modified, self-adhesive, rubberized asphalt membrane. The Ice and Moisture Block provides extra protection and prevents moisture penetration from windblown rain or ice damming. It is applied over critical roof areas such as eaves, ridges, valleys, dormers and skylights. The sealing adhesive is protected on the bottom with a split release sheet which is removed during application.

Manufactured with a smooth sand finish which enables the membrane to also be used as a self-adhesive base for APP & SBS systems.