Mapegrout T60

Available as 25kg unit

Technical Description

Mapegrout SV Fiber is a pre-blended mortar in powder form, made from special hydraulic binders, high-strength cement, selected graded aggregates, special admixtures, and stiff, hooked fibres in brass-plated steel according to a formula developed in MAPEI’s own research laboratories. The stiff, hooked fibres in brass-plated steel contained in Mapegrout SV Fiber have the following characteristics: · length: 30 mm; · diameter: 0.38 mm; · tensile strength: > 2,600 MPa. When Mapegrout SV Fiber is mixed with water, it forms a fluid mortar which is suitable for casting into formwork, without segregation, at a thickness of between 1 and 5 cm. Once hardened, Mapegrout SV Fiber has the following characteristics: · high flexural and compressive strength; · modulus of elasticity, thermal expansion coefficient and permeability coefficient similar to high quality concrete; · impermeable to water; · excellent bond strength to old concrete, if dampened with water before application, and to reinforcement rods, especially if treated beforehand with Mapefer or Mapefer 1K; · high resistance to wear due to abrasion or impact. Mapegrout SV Fiber meets the main requirements of EN 1504-9 (“Products and systems for protecting and repairing concrete structures: definitions, requirements, quality control and conformity assessment. General principles for the use and application of systems”), and the minimum requirements for EN 1504-3 (“Structural and non-structural repairs”) for R4-class structural mortars. Mapegrout SV Fiber is recommended for thicknesses of up to 5 cm. If a thicker layer is required, we recommend the addition of 30 to 50% in weight of a suitable size aggregate; refer to our Technical Services Department for further details. Thanks to its rapid hardening properties, Mapegrout SV Fiber may be walked on and opened to rubber-wheeled traffic after only 2 hours from application at a temperature of +23°C.

Areas of Use

Repairing concrete structures where high thicknesses and special shapes of deterioration require the use of a free-flowing mortar, including at low temperatures. Some application examples · Repairing concrete floors (industrial, roads, airports). · Repairing hydraulic structures (breather channels, canals and forced run-off channels). · Restoration of floor slabs after removing deteriorated areas by scarifying. · Repairs to joints in motorways. · Rebuilding and levelling off the upper parts of base plinths and reinforced concrete bearing elements on motorway viaducts. · Repairing lower spigots on pre-compressed beams for viaducts.