U.S. Patent Application

  『 " I " Shape Sealing Mechanism of Sheet Joint 』

  『 Waterproofing Structure and Construction Method Therefore 』

Korean Patent No. 10-1998-18632

  『 Combined Waterproofing System and Construction Method for the System 』

  - " I " Shape Joint of Sheets

  - Combined system of sheet and coating

Korean Patent No. 10-1999-0238994

  『 Combined Waterproofing System and Construction Method for the System 』

  - Half immerged non-woven fiber on asphalt sheet strengthen the poly-urethane bonding force

     apply on it

Korean Patent No. 10-2000-0042236

  『 Adhesive Waterproofing Tape and The Water-tightness Structure of Using This Tape 』

  - Application to the moving crack of substrate for SSAP Waterproofing System