What is concrete repair mortar?

Davco Lanko 731 concrete repair mortar is a ready-to-use, high-strength, polymer-modified repair mortar composed of sand, special cement, fibres and additives. It is designed for the repair of spalled and damaged concrete in civil installations where very high compressive strengths are required.

What is concrete repair mortar?

Davco Lanko 731 concrete repair mortar is a ready-to-use, high-strength, polymer-modified repair mortar composed of sand, special cement, fibres and additives. It is designed for the repair of spalled and damaged concrete in civil installations where very high compressive strengths are required. Epoxy concrete repair mortars, specially formulated for use on eroded or cracked concrete floors, are used to provide new strength to damaged concrete and, in most cases, provide a permanent repair strong enough to withstand most use. The most common application of repair mortars is the repair of spalling caused by corrosion of reinforcement in concrete structures with chloride ingress.

This is a major industry with large repair contracts underway around the world. Proprietary products containing cements, cement substitutes and plasticisers, as well as shrinkage compensating admixtures, are supplied pre-mixed. Hydrodemolition robots are now used in large-scale projects and are able to quickly remove large volumes of concrete in controlled areas. Large surface repairs require the use of a suitable mortar that has very low shrinkage characteristics to prevent delamination.

We have a strong philosophy around concrete repair that allows the structure to live and breathe as naturally as possible. A versatile three-component lightweight repair mortar that is used for stone, mortar, plaster, timber and concrete and is suitable for use in vertical and overhead repair work. A one-component, acrylic polymer-modified, cementitious mortar that has been designed to repair building facades that do not have high compressive strength. Removal of defective concrete is destructive, dusty, costly and time consuming using pneumatic equipment.

Epoxy concrete repair mortars are popular for use in concrete repair as they are fast curing and can be overlaid to fill cracks and voids deeper than 50 mm, making them versatile for most repair situations. These products are ideal for repairing holes, cracks and spalling in concrete in both internal and external situations where heavy vehicle traffic is expected. Since adhesion to the concrete substrate is a crucial property of repair mortars, some results related to the comparison between alkali activated mortars and commercial products for the repair of concrete structures are presented. The ARDEX concrete repair and injection range uses a high-strength, fast-setting, two-component system to repair concrete damage ranging from small cracks to structural repairs.

It is a high strength, low density, water resistant concrete repair mortar for use in the profiling, plastering or structural repair of vertical, horizontal and overhead structures and surfaces. Cementitious concrete repair mortars tend to be more prone to damage and deterioration than the surrounding structural brickwork, which is a common point of concrete repair, but the material is readily available to carry out touch-up repairs or complete restorations. Medium weight concrete repair mortar used in the high performance repair of reinforced concrete columns and beams.

Riley Ryan
Riley Ryan

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