SikaTop®-501 Seal (formerly known as MasterSeal® 501) – Cement based capillary crystalline waterproofing material

What is and where to use MasterSeal 501?

MasterSeal 501 – is a cement based capillary crystalline waterproofing material that is applied against surface waters in old and new structures from negative and positive directions.

MasterSeal 501 application areas are:

• Interior and exterior areas for vertical and horizontal applications.
• Waterproofing of foundations and curtain walls.
• Water tanks.
• Tunnels.
• Elevator pits.
• Supporting walls, dams and harbors

What are the advantages of MasterSeal 501?

• Easy to prepare and apply.
• Applied with brush.
• Long working time.
• MasterSeal 501 fills the capillary gaps by forming permanent (insoluble) crystals and enables water impermeability.
• Protects concrete.
• Resistant to negative and positive water pressure.
• Water vapor permeable.
• Resistant to freeze-thaw cycle.
• Can be safely used in drinking water tanks (has a test report).