Structural thixotropic, shrinkage-compensated, reinforced fibre mortar

Code: REP.0135

Components: 1

Appearance: Powder

High-performance, thixotropic, structural cementitious mortar, fiber-reinforced with a mix of metal microfibers (length = 6 mm, diameter = 0.22 mm) and alkaline-resistant synthetic microfibers, used for the restoration and thickening of reinforced concrete structures and in masonry, even in severe exposure environments (marine, industrial, cyclically dry and wet).

Linee di appartenenza

Certification obtained and Standards

Products and systems for the protection and repair of concrete structures - Structural and non-structural repair (R4)

EN 1504-3

Products and systems for the protection and repair of concrete structures - Structural and non-structural repair (R4)

General characteristics


Shelf-life: 12 months


Pot-life: 60 min


Max. recommended thickness: 50 mm




Use wearing protective gloves


Temperature of use: +5 / +35 °C


Mix with water: 20-22 %


Dosage: 1.9 kg/dm³


Maximum diameter of aggregate: 1.5 mm


Min. recommended thickness: 8 mm

Technical specifications

Determination of thermal compatibility

2.4 mPa

Chloride content

<0.01 %

Toughness class EN 14651

3a _

Static elastic modulus

24000 N/mm²

Resistance to the limit of proportionality (average value) EN 14651

4.7 MPa

Compressive strength after 28 days

≥ 70 N/mm²

Reaction to fire

A1 _

Resistance to carbonatation

0.5 mm

Breaking load longitudinal

3.8 N/mm²

fR1 medium_ average residual strength after cracking (0.5 mm) EN 14651

3.1 MPa

Compressive strength after 01 day

≥ 25 N/mm²

Adhesion to substrate

2 MPa

Skid resistance

56.0 mm

Capillary absorption

0.48 kg•h^0.5/m²

fR3 medium_ average residual strength after cracking (2.5 mm) EN 14651

1.6 MPa

Coefficient of permeability

10⁻¹² m/s

Flexural strength after 28 days

≥ 9.5 N/mm²

Compressive strength after 07 days

≥ 50 N/mm²

Available colours

- Gray

Packaging and dimensions

- Bag 25 kg

- Pallet: 50 x (Bag 25 kg)


REPAR TIX SFR consists of special cements, silica fume, anti-shrinkage agents, specific additives and selected aggregates, high-performance in terms of adhesion, adherence, mechanical resistance, intrinsic watertightness, dimensional stability and overall hardness. REPAR TIX SFR is added with a mix of amorphous metal fibres of 30 mm (≥0.9% by weight) and multifilament synthetic fibres of 6 mm (≥0.08% by weight).


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

Use fields

Restorations, repairs and consolidations, even of considerable thicknesses and dimensions, on reinforced concrete and masonry structures. Reinstatement and reconstruction of the concrete cover on heavily deteriorated reinforced concrete works, even in particularly demanding and heavily stressed environments (marine, industrial, purification plants, hydraulic pipes). Reliable and durable structural consolidation of road structures (bridges, viaducts, tunnels, etc.). Reinforcement hoods on vaulted wall structures. Reinforcements and seismic adjustments in combination with structural glass fiber meshes from the ARMAGLASS line, ARMAGLASS CONNECTOR glass fiber connectors, helical bars in HELIX STEEL AISI 304 stainless steel.

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 SFR and the remaining water; continue to mix until a homogeneous lump-free mixture is obtained. The mixing water should be about 20-22% of the weight of the bag. After mixing is completed wait a few minutes before applying.

Place on site by rendering or using plastering /or shotcrete machines, use product quantities appropriate for the specific requirements of the construction site .

Application methods

- Brick trowel

- Finishing trowel

- Plastering machine

- Shotcrete machine

- Spatula

Tool cleaning

- Water

Permitted supports

- Cement-based or lime-based mortars

- Concrete

- Mixed walls (bricks and stones)

- Plasters

- Prefabricated concrete

Warnings, precautions and Ecology

Adopt the necessary care and moist hardening procedures of exposed surfaces that must be protected from rain, from direct sunlight, ventilation, etc.

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