The Mapei Mapeproof Swell is specially designed to waterproof and seal cracks in concrete and other prefabricated materials. Easily applied to damp and uneven surfaces. Mapei's Mapeproof Swell is your solution to simple and effective waterproofing and sealing. 

Key Features

• If well confined, can be resistant to considerable hydrostatic pressure
• Suitable for application to solid, clean, damp or uneven surfaces
• Single component hydro- expansive rubber based sealing paste
• Can be applied in area where water infiltrates or seeps through
• Effectively waterproofs and seals cracks in reinforced concrete
• Volume increases on contact with water 

Technical information

• Application temperature: 5-40°C
• Skin over time: 180-200 minutes
• Corrosiveness: Non-corrosive
• Coverage: Approximately 3m
• Solubility: Insoluble in water
• Density: 1.25-1.30 g/cm³
• Colour: Light grey
• Volume: 320ml

Storage instructions 

• Mapeproof Swell may be stored up to 12 months in a dry place between temperatures of 15-25°C.

Application instructions

• Ensure all dust and loose parts from the surface of material or any other material that could compromise the Mapeproof Swell’s bond is removed before application
• Ensure that surfaces are damp only, there must be no water on the surface that the product is being used on
• This product is not suitable for surface only application on material. Application must always been confined (injected into a crack or a joint)

Safety Notice

Please note Mapeproof Swell may cause sensitization when inhaled if sensitive to isocyanates.

Please do not dispose of this product to the environment as it is hazardous to aquatic organisms.

Use protective gloves and googles and take usual precautions when handling chemicals.

Wash eyes and skin immediately with water if coming into contact and seek medical attention.