Concrete Repair Mortars
Showing 38 out 38 products
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NATCEM Tank – 25kg
£43.14 incl. VAT£35.95 excl. VAT -
NATCEM AC – 25kg
£51.49 incl. VAT£42.91 excl. VAT
Showing 38 out 38 products
Showing 38 out 38 products
Showing 38 out 38 products
A concrete repair mortar is a specialised material used for repairing damaged or deteriorated concrete surfaces. It’s designed to restore structural integrity, enhance durability, and improve aesthetic appearance by filling cracks, voids, spalls, and other defects in concrete.
Concrete repair mortars typically contain additives or admixtures that improve bonding, reduce shrinkage, enhance workability, and provide corrosion protection. They are formulated to adhere to existing concrete surfaces and withstand harsh environmental conditions, making them suitable for repair and rehabilitation applications.
Concrete repair mortars come in various formulations, including polymer-modified, cementitious, epoxy-based, fibre-reinforced, rapid-setting, and shrinkage-compensating mortars. The choice of mortar depends on factors such as the extent of damage, environmental exposure, structural requirements, and application conditions.
Surface preparation is crucial for ensuring proper adhesion and performance of concrete repair mortar. It typically involves cleaning, removing loose debris, roughening the substrate, and applying a bonding agent or primer to promote adhesion. Proper surface preparation helps maximise bond strength and durability of the repair.
The curing time for concrete repair mortar varies depending on factors such as ambient temperature, humidity, substrate conditions, and product formulation. In general, most repair mortars reach initial set within a few hours and achieve full strength within 28 days, although rapid-setting options are available for quick turnaround projects.
Yes, many concrete repair mortars are suitable for vertical, overhead, or horizontal applications, depending on their formulation and viscosity. Specialised products are available for overhead repairs or situations where flowability and sag resistance are critical.