MARTIN® APRONSEAL™ Angle Clamps are used to clamp the MARTIN® APRONSEAL™ to chute wall. Approximately 9" of head space is required for proper mounting. Angle Clamps are 6' L with mount studs on 12" centers. Center-pivot angle clamps are 3' L with clamp mounts on 18" centers. Mounting height for studs and clamp mounts will vary with troughing angle and type of MARTIN® APRONSEAL™ used.