Repairing Steps

Fill cracks in steps, waterproof and re-surface

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

 

 
     

Crack Filling - repairs to flights of steps using resins

Crack and joint repairs in steps - 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 longer it will last.

Caution - for Structural Cracking always consult a Structural Engineer and the building's Insurers before proceeding.

Cracks and gaps in steps that lead to leaks and movement

Cracks in steps, poor joints: these all let in water and cause movement and failure.


Fine to medium cracks in Steps - hairline to 15mm wide.

Enlarge using a grinder or disc cutter to - 5mm 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.

Parapet crack in need of cutting outCut out cracks to a clean slot

Cracks need to be correctly cut out, square shouldered, dust blown out, ready to Prime and Fill

Mixing Mouldable Epoxy Putty Mortar by handMouldable Epoxy Putty mixed by hand - ready to repair cracksEpoxy Putty coloured using Mortar Powder

Mixing Mouldable Epoxy Putty in a gloved hand. Ideal for small repairs. It can be coloured to match masonry using our Mortar Powder.

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Larger holes and cracks in Steps - over 15mm wide - including asphalt

Enlarge using a grinder or disc cutter to - 20mm plus in width - can fill holes of any size.

Pour or inject Structural Epoxy Pouring Resin.

Structural Pouring Resin - available in 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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Cracks in asphalt and tarmac can be filled using Structural epoxy Pouring Grout

Asphalt and Tarmac can be filled using Structural Epoxy Pouring Grout without using a Primer.


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, to be 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 MoratrMouldable Epoxy Putty coloured black using our Mortar powder

Mixing Mouldable Epoxy Putty in the gloved hand. Coloured ball of mixed putty to match masonry.

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Joint Filling - Steps joint repair with primer and cementitious filler

Steps Joint Filling

Cut out the joint 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.

Enlarge using a grinder or disc cutter 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.

 

Typical path and steps - cracked and hollowSteps crack in the joint between the step and its riser.

Typical Steps joint problems - cut out the cracks and holes and fill with Fillet Seal or Mortar using Bondacryl instead of water.

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

Steps 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 comes out of 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 Injection Resin - available in 400cc, two pot, gels, with cartridge kit.

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Steps reinforcement - reinforcement with stainless rods and cementitious mortar

Reinforcing

Rusting reinforcement requires treatment, after full exposure. Give us a call for the 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 flexible, non shrink repair mortar, W60, using the Grout Master gun. Insert a length of stainless steel helical reinforcement bar, as per our Data Sheet (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.

Stepped crack in a Steps Wall - will require Stitching.

 

Helical Bar fo reinforcing concrete repairs

Stainless Helical Bar

 

Supplied complete as a 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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Rebedding and bonding steps Coping Stones

Epoxy Bonding for Step Wall Copings

Steps frequently have coping stones or slabs covering the parapet walls.

Remove the Steps Copings and re-bed them in Epoxy Patching Mortar.

Parapet coping stone that needs re-beddingEpoxy Patching Mortar Kit, for re-fixing Parapet Copings

For smaller, smooth copings Epoxy Adhesive Paste can be used instead..

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Tiling steps over asphalt

First prime the asphalt and then apply a thin screed for tiling onto

Clean off all debris and make good all joints and cracks in the asphalt using Structural Epoxy Pouring Resin

Then apply one coat of Driveway Primer clear using a brush and a roller.

Whilst the Driveway Primer is wet cover with a complete layer of Alumac Grit, coarse grade 12. This provides a grippy layer for the screed.

Once dry lay a sand and cement screed using 4 parts of washed, sharp sand and 1 part fresh cement, mixed with Bondacryl instead of water.

Asphalt is a good waterproofer for stepsTiled steps - can be tiled over a thin screed bonded to asphalt.

Asphalt provides a good waterproofed base. The steps can then be tiled over a thin screed bonded to the asphalt.

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Repairing concrete steps and risers

Epoxy Patching Mortar

Apply Epoxy Primer and then whilst the primer is wet lay in Epoxy Patching Mortar.

Epoxy Patching Mortar Kit, for re-fixing Parapet CopingsApplying Epoxy Patching Mortar - over tacky Epoxy Primer

This three part Epoxy Mortar can be troweled smooth and is waterproof.

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Property Repair Systems

T: 01626 331351

F: 01626 331143

E: Mail us help@propertyrepairsystems.co.uk


Site written by: David Moore

David Moore, B.A. (Hons.), C.T.I.S., C.R.D.S. Technical Author

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