Cracked concrete

Fill concrete cracks, fill joints, fill holes, re-surface

Property Repair Systems - 01626 331351 - where you can speak to real people.

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Crack Filling - concrete repair with Epoxy Primer and Epoxy Mouldable Putty

Concrete Crack Repairs - how to choose a crack repair method and material in brick, stone, render and concrete.

General principle - cut out the cracks with a masonry grinder, or Allsaw, to form square edged slots, and remove all dust and debris

Repair Thickness - the more material that we can put in to the repair, in terms of width and depth, the better it will be able to accommodate natural movements caused by changing temperatures and therefore the better it will last.

Caution - Always consult a Structural Engineer and the building's Insurers before proceeding.


Fine to medium concrete cracks - hairline to 15mm wide.

Cut out to - 15mm to 25mm in width

Apply Epoxy Primer liquid by brush and whilst tacky lay in the putty-like repair mortar, Mouldable Epoxy Putty.

Epoxy Primer - available in 500cc and 1 litre, two pot, liquids.

Mouldable Epoxy Putty - available in 500cc and 1 litre, two pot, putties.

Cut out cracks to a clean slotMixing Mouldable Epoxy Putty Mortar by hand

Slot correctly cut out, square shouldered, dust blown out, ready to Prime and Fill. Mixing.

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Larger holes and cracks in concrete - over 15mm wide

Cut out to - 20mm plus in width - can fill holes of any size.

Pour or inject Structural Epoxy Pouring Resin.

Structural Pouring Resin - available in 1 litre, 2.5 litre and 7.5 litre packs, containing two liquids and a powder.

Pouring Structural Epoxy Resin - paddle mix with an electric drill

Pouring Structural Pouring Resin - 7.5 litre.

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For cosmetic matching of colour or texture - you can add your own Site dust or chippings to the surface, (or ask for our Mortar Colour

Powder), which you can mix into Mouldable Epoxy Putty, used as a surfacing finish.

Apply Epoxy Primer liquid by brush and whilst tacky lay in the putty-like repair mortar, Mouldable Epoxy Putty.

Epoxy Primer - available in 500cc and 1 litre, two pot, liquids.

Mouldable Epoxy Putty - available in 500cc and 1 litre, two pot, putties..

Mixing Mouldable Epoxy Putty Moratr

Mixing Mouldable Epoxy Putty in the gloved hand.

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Joint Filling - concrete floor to wall joint repair with primer and cementitious filler

 

Concrete Floor to wall Joint Filling

Cut out the floor to wall joint, in the floor itself, with a masonry grinder or disc cutter, to form a square edged slot and remove all dust and debris. Wet out the slot with fresh water and prime with BondAcryl.

Cut out to - 20mm plus in width - can fill a slot of any size.

Insert a waterproof pointing mix of either Fillet Seal (supplied as a powder) or Bondacryl mixed with sand and cement (no water).

Fillet Seal Powder - available in 25kg packs, or use Bondacryl with your own washed sand and cement - supplied in 2.5, 5.0 and 25 litre bottles.

 

Concrete floor meets brick wall - open damp jointQuarry tile floor meets brick wall - needs 'tanking' below the damp proof course

Typical floor to wall joint problems - cut out the floor edge and fill. May require 'tanking' as well.

Mix up a mortar of 4:1 sharp, washed sand with fresh Portland Cement, using BondAcryl instead of water. Apply the mix to the primed slot and finish flush.

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Concrete Crack Injection - crack stabilisation using injected epoxy resins - injecting hollow patches

 

Concrete Crack Injection

To treat delamination or hollowness, drill a 5mm - 10mm diameter hole into the crack every 100mm to the depth of the separation between layers. (hollow area). Inject Epoxy Primer or Thixotropic Injection Resin until it exudes from the next hole. Test for hollowness with a plastic hammer until the delaminated areas cease to sound hollow.

Injecting cracks in concrete using a syringe. Syringes - in 10cc, 20cc and 50cc sizes.

Epoxy Primer - available in 500cc and 1 litre, two pot, liquids.

Thixotropic Epoxy Injection Resin - available in 400cc, two pot, gels, with cartridge kit.

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Concrete reinforcement - reinforcement with stainless rods and cementitious mortar

 

Reinforcing

Rusting reinforcement requires treatment, after full exposure. Give us a call to cost of special rust proofing treatment.

Cut out the cracks with a masonry grinder to form square edged slots and remove all dust and debris. Wet out the slot with fresh water and inject the shrink compensated repair mortar, W60, using the Grout Master plastic applicator. Insert a length of stainless steel helical reinforcement bar, as per our Method Statement (available free, on request). Apply further W60 Grout to fill the crack. Finish using the Finger Trowel. Always consult a Structural Engineer and the building's Insurers before proceeding.

 

Helical Bar fo reinforcing concrete repairs

Stainless Helical Bar

 

Supplied complete as a PRS Crack Filling Kit - Grout Master Applicator, Finger Pointing Trowel, W60 Grout, Mixing Paddle, or the materials and tools can be purchased individually.

Concrete repair kitCutting and filling steps for walls and floors

 

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Property Repair Systems,

Unit 3, Olympus Business Park, Kingsteignton Road, Newton Abbot, Devon, TQ12 2SN

T: 01626 331351 F: 01626 331143

E: help@propertyrepairsystems.co.uk


Other Property Repair Systems free advice Sites:

www.boron.org.uk - how to use Boron based insecticides/fungicides to treat timber rots and insect attack

www.dampness-info.co.uk - how to treat penetrating dampness in walls and plaster

www.deck-treatment.co.uk - how to treat patio decks and yacht decks

www.dryrot.biz - how to kill Dry Rot in buildings

www.drywallandfloor.co.uk - membranes for lining damp walls, floors, basements and cellars

www.fire-door-paint.co.uk - upgrade doors to 30 minutes fire resistance

www.fire-info.co.uk - fire fabrics for insulation, flame and smoke barriers

www.joist-repair.co.uk - how to quickly repair joists and beams of any size

www.mold-info.co.uk - kill mould on walls and ceilings, anti mold paints

www.propertyrepairsystems.co.uk - fire retardant paints, hygiene products, metal bracket manufacture, crack injection

www.steel-fire-paint.co.uk - treat steel with Intumescent Paint to provide fire protection

www.timber.org.uk - systems of repair, with step by step methods

www.timber-repair.co.uk - how to repair timbers in buildings without wrecking the place

www.woodworm-info.co.uk - how to kill and prevent woodworm and death watch beetle

www.wood-worm.co.uk - how to stop common furniture beetle in buildings

www.woodworm-expert-advice-forum.org.uk - answers to your Woodworm questions