Mapei Mapefill SP

Technical Characteristics

Mapefill SP is a pre-blended grey powdered grout, based on high strength cement, 1mm graded aggregate, special additives and an expansive agent. When mixed with water, Mapefill SP is transformed into a non segregated, exceptionally high fluid grout that is able to fill intricate spaces.

Due to its expansive agent, Mapefill SP is characterised by a total absence of shrinkage in the plastic (ASTM C827) and hardened phase and develops early flexural and compressive strength.

Mapefill SP also has the following qualities:

• Excellent impermeability to water
• Excellent adhesion to steel and concrete
• Modulus of elasticity and thermal expansion co-efficient similar to those of high-quality concrete
• Excellent resistance to dynamic mechanical stress
• Non-toxic
• Non-corrosive
• Chloride-free

Technical Data

Application Procedure

Preparing the substrate

• Remove all deteriorated concrete from the substrate
• Scarify the surface and eliminate the presence of dust, oil, grease, debris and laitance
• Soak the sides of the cavity to be filled with water.

Before pouring, remove all excess water from the cavity. To facilitate the elimination of unabsorbed water, use compressed air if necessary.

Preparing the grout

Pour up to 80% of the required water into a clean container and then slowly and continuously add the Mapefill SP powder.

Water ratio

Pumpable mix - 20kg bag Mapefill SP with 3.0 – 3.4 litres of water

Pourable mix - 20kg bag Mapefill SP with 3.4 – 3.8 litres of water

Add the remaining water to achieve the desired mix. Mix for 1 to 2 minutes with a heavy duty mixer. Remove any powder from the sides of the mixing container to ensure that all the powder is blended. Remix for another 2 to 3 minutes until a fluid homogeneous paste is obtained.

Depending on the quantities to be prepared, a grout mixer or a mechanical mixer can be used paying careful attention to avoid the formation of air bubbles. Mixing by hand is not recommended.