Muro K Flow
Mix for fluid grouts to consolidate masonry.
Highly flowable grout with excellent rheological properties, free from settling or bleeding of the mixing water, ideal for consolidating and strengthening rubble-core or two- and three-leaf masonry by injection.
Muro K Flow maintains a high capacity to fill voids inside mixed stone or solid brick masonry, even when the inner leaves are made of very absorbent material. It combines high mechanical performance with elasticity, is very easy to inject, controls shrinkage at every stage, both in the plastic phase (first hours of curing) and during hardening, has a low content of water-soluble salts, does not react with salts in the masonry, has a very low VOC content and contains no resins or solvents.
Muro K Flow is based on NHL 3.5 natural hydraulic lime compliant with UNI EN 459-1, pure micronized aggregates compliant with UNI EN 13139 (aggregates for mortar), water-reducing admixtures and natural cellulose. It is ideal for strengthening, securing, consolidating and seismically upgrading existing buildings, including listed buildings, and for stitching masonry (cuci-scuci) and repairing cracks in general.
Key features:
- contains no Portland cement;
- contains no resins or organic additives that release VOCs;
- class M5 according to UNI EN 998-2;
- mechanical performance compatible with historic masonry, not rigid;
- adds no water-soluble salts to the masonry;
- does not react with any sulfates in the masonry, so it is compatible with historic masonry;
- breathable and hygroscopic, it causes no thermal gradients in the masonry while curing, prevents damp spots and the risk of condensation within the wall, and regulates indoor humidity;
- reversible and chemically, physically and mineralogically compatible with the mortar of historic masonry.
Muro K Flow is ideal for consolidating and strengthening, by injection, mixed stone or brick walls or vaults with two or more leaves, or rubble-core walls, that have voids, cracks or gaps in the bedding mortar.
Muro K Flow easily fills the voids within the wall without dangerous overpressure, restores continuity across the wall section and relieves stress concentrations so that the load is distributed evenly. After consolidation, the wall is not at risk from thermal gradients and gains compressive and shear strength, shear modulus and deformation capacity before failure.
The main applications are summarized below:
- consolidating multi-leaf or rubble-core walls in mixed stone or solid brick;
- consolidating mixed stone vaults;
- consolidating mixed stone or solid brick columns and piers;
- fixing point reinforcements into the masonry, such as anchor ties, anti-expulsion ties or deformed bars in metal, glass fiber or other composite materials.
RALLK Muro K Flow declaration of performance
Safety data sheetsRALLK Muro K Flow safety data sheet
Technical data sheetsRALLK Muro K Flow technical data sheet
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