Thixotropic slightly expansionary mortar, for anchoring and underpinning

Code: REP.0068

Components: 1

Appearance: Powder

Thixotropic, reinforced fibre, anti-shrink mortar, slightly expansive in plastic phase, high-performance in terms of resistance and waterproofing characteristics, specific for the compensation of cavities and detachments in roughcast underpinning, and for accurate fixing of wooden or steel beams in masonry whatever its nature.

Linee di appartenenza

General characteristics


Pot-life: 60 min


Max. recommended thickness: 8 cm




Use wearing protective gloves


Temperature of use: +5 / +35 °C


Mix with water: 12-13 %


Maximum diameter of aggregate: 2 mm


Min. recommended thickness: 1 cm


Shelf-life: 12 months

Technical specifications

Chloride content

< 0.01 %

Darcy impermeability

10⁻⁹ cm/s

Flexural strength at 01 day

6 N/mm²

Compressive strength after 28 days

60 N/mm²

Bonding force

> 2 MPa

Static elastic modulus

25.000 N/mm²

Contrasted expansion with air curing for 1 day

> 0.6 mm/m

Compressive strength after 01 day

30 N/mm²

Determination of thermal compatibility

> 2 MPa

Capillary absorption

0.45 kg•h^0.5/m²


>12 _

Flexural strength after 28 days

9 N/mm²


2100 kg/m³

Available colours

- Gray

Packaging and dimensions

- Bag 25 kg

- Pallet: 50 x (Bag 25 kg)


REPAR TIX G2 is based on high-resistance cements, superpozzolanic fillers, plasticisers, stabilisers, and anticorrosive agents, antiallergic additives, selected aggregates. Free of chloride, aluminium, metal powders and aggressive substances in general.


Approximately 19 kg/m² of REPAR TIX G2 for every centimetre of thickness to be implemented (approximately 1900 kg per cubic metre).

Use fields

Fixing and anchorages of I-beams, clamps, beams, metal structures, reinforcing rods, prefabricated elements etc. Execution of render underpinning, in civilian, industrial, rural and infrastructural building, both for restructuring and newly built.

Preparation of supports

Application surfaces should be clean, free of soiling, crumbling and non-adhering parts, dust, etc., conveniently saturated with water until they reach the condition "saturated with dry surface". An adequate roughening of the surfaces by scarifying, sandblasting etc. is always necessary in order to obtain the maximum adhesion values to the substrate. The optimal values are obtained with high pressure hydro-scarification. Bare the irons undergoing disruptive oxidation or deeply oxidized, removing the rust of the exposed irons (by sandblasting or abrasive brushes).

Use method

Pour about 2/3 of the mixing water into the mixer, add REPAR TIX G2 and the remaining water; continue to mix until a homogeneous lump-free mixture is obtained. The mixing water should be about 12-13% of the weight of the bag. After mixing is completed wait a few minutes before applying.

For high anchoring sections add GHIAIETTO 6.10 (please refer to the appropriate technical data sheet for more information).

Application methods

- Brick trowel

- Finishing trowel

- Spatula

Tool cleaning

- Water

Permitted supports

- Bricks

- Concrete

- Mixed walls (bricks and stones)

- Prefabricated concrete

- Stone walls

Warnings, precautions and Ecology

Adopt laying procedures capable of ensuring the absence of gaps and discontinuities; cure the protection and the prolonged moist hardening of exposed surfaces.

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