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Concrete Repair and Patching
Concrete repair products are essential for restoring damaged surfaces in residential and commercial buildings. From patching cracks to resurfacing worn floors, modern repair mortars and resins provide strength and quick setting to minimise disruption. Often used with other key building supplies, many options resist freeze-thaw cycles, salts, and heavy loads. Quick-setting compounds are ideal for spot repairs, while bagged materials suit deeper infills and structural tasks.
Rust-Oleum 5180 Epoxy Repair Mortar
Available in grey. Two-component epoxy repair mortar. For concrete and stone surfaces. Internal and external use. Provides high compressive, tensile, and flexural strength. Non-shrinking, durable, and chemical-resistant.
Rust-Oleum 5190 Epoxy Repair Mortar Deep Fill
Available in grey. Two-component epoxy repair mortar for deep hole repairs. For concrete surfaces, internal and external. Does not shrink or crack, ensuring long-lasting repairs. All-in-one packaging. Professional use only.
204 Fine Crack Repair
204 Fine Crack Repair is a two pack, solvent free, rapid curing, low viscosity epoxy resin designed for filling smaller cracks, voids and thin section `blow outs` or craters in concrete, brickwork and masonry. Easy to use Very fast cure - hard dry after 1–2 hours at 20°C Low viscosity - 400 cps @ 20°C Suitable for damp or dry surfaces...
Sikadur 52 Injection Type N
Sikadur 52 Injection Type N is a two part, solvent-free, low viscosity injection liquid, based on high strength epoxy resin. Type N (= Normal Potlife) is used for substrate temperatures between +5°C and +30°C (UK). Used as an injection resin with good adhesion to concrete, mortar, stone, steel and wood. Solvent-free Suitable for both, dry...
Fosroc Thioflex 600
Fosroc Thioflex 600 is a two component polysulfide sealant which is available in gun and pouring grades. It is ideal for sealing movement joints in building and civil engineering structures, including superstructures, floors, basements and subways. Gun Grade is packed in a ready to mix, 2.5 litre tin containing the base and curing agent in...
Sika Parex Dry Pack C
Parex Dry Pack C is a Portland cement based powder mix including special shrinkage compensating components. The mixed material produces a mortar, which may be rammed into gaps between concrete units, without the use of shuttering, to create a supporting fill. Ready to use and only requires the addition of water on site Chloride free and...
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Concrete Repair Mortars & Epoxy Compounds | Internal & External Structural Restoration
Concrete restoration on a large scale needs more than a quick fix. Heavy use, damage, and weather can weaken slabs and footings, calling for specialist materials like high-strength mortars, epoxy bonding agents, and polymer screeds. These products are designed for deep, structural work and are ideal for internal and external floor repairs in commercial, public, and industrial spaces.
Material choice depends on substrate condition, strength requirements, drying time, and environmental exposure. Fast-setting mixes suit busy sites, while others reduce shrinkage or cracking in large pours. Reinforced compounds stabilise key load points, helping prevent future wear. These materials also support structural repairs and strengthening of older infrastructure such as floors, walls, and beams. Both epoxy and cement-based options are available to suit site demands.
Concrete Repair FAQs
Can these repair materials be used in wet or damp environments?
Yes, certain epoxy-based and polymer-modified systems are moisture tolerant. Some are specifically designed for application on damp concrete without compromising adhesion or cure strength. Always check the product data before use.
Are these concrete repair products suitable for external use?
Many are formulated for outdoor environments and can withstand heavy rain, freeze-thaw cycles, and UV exposure. They are ideal for use on ramps, loading bays, or exposed structural elements.
Do I need a primer before applying concrete repair mortar?
Priming is often recommended for maximum bond strength, particularly when using epoxy or polymer-based compounds. It helps seal the substrate and improves adhesion to prevent delamination.