Sika® Igolflex®-620 (formerly known as MasterSeal® 620) – bitumen rubber latex emulsion based waterproofing material

(Formerly: Masterseal 420)

What is and where to use MasterSeal 620?

MasterSeal 620 – is a bitumen/rubber latex emulsion based perfectly adhering waterproofing material that forms a seamless, flexible, damp proof, and vapor proof membrane.

MasterSeal 620 application areas are:

• Damp-proofing structures: to provide an impervious damp-proof membrane on concrete and brick.
• Floors: to provide a sandwich membrane in new construction or a surface treatment.
• Walls: for interior and exterior walls.
• Roofs: for the maintenance of many types of roofs including built-up felt, asphalt, lead, zinc, aluminium, concrete, lightweight screeds, timber, slate, asbestos cement, corrugated iron, and as a vapour barrier.
• As an adhesive: for bonding wood blocks and wood mosaics, insulation board, expanded polystyrene and cork tiles and to provide a key for plastering.

What are the advantages of MasterSeal 620?

• Single component.
• Ready to use and easy to apply.
• Applied by brush or spray machine.
• Can be applied on fresh concrete and slightly damp surfaces.
• Forms seamless, permanent, moisture and water proof coating.
• Resistant to chemicals and salt solution in the soil.
• Resistant to freeze-thaw cycle.
• Does not contain solvents and it is environmental friendly