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Information about removing stone cladding pebble dash and render

Removing stone cladding,  will the brickwork suffer from heavy surface damage?.

Bits of the brick and pointing will be pulled away with the cladding and traces of the tile adhesive, grey or white in colour will be left on the brickwork. Restoring the brickwork by cleaning methods such as sandblasting will usually result in even more damage especially on soft London type brick. When cladding or thick coats of cement render are removed from areas adjacent to window frames (usually PVC windows) the removal of the cladding can leave large voids as the frames are normally fitted up to the stone cladding.

Will the cladding come off cleanly without damaging the brick?

You may be lucky if a general builder or DIY person put the stone cladding on, they may have stuck it on with a weak sand and cement mix with no additives (such as PVA or latex).

Different types of cladding: Some stone cladding is actually render applied to the wall in-situ, it’s sculptured and finished to look like stone. This type of simulated stone render is dyed and usually made up of sand and cement. This type of effect is applied in a wet state directly onto the wall, once green it’s then shaped and textured to give a stone look. It was usually undertaken as a cheaper alternative to stone-cladding.

Stone cladding was not cheap in 1984 it cost around £75 per m2 to have it fitted. Textured resin coating, pebbledash or Tyrolean often accompanied the stone cladding on additional walls or was used above cladding on the top sections of walls, this was a cheaper complimentary finish. How is imitation-reconstituted stone cladding made? Basically, most imitation stone is mineral dyed concrete, made more or less from the same materials as paving slabs. The concrete mix is poured into a  mould and tipped out soon after to dry.

Problems associated with stone cladding, poor quality pebble dash and render can include:

Damp problems, the cladding or concrete render does not breathe, on old solid wall houses, moisture within the wall is unable to pass through. The original Damp Proof Membrane (DMP) if the house has one may have been bridged, the cladding finish terminates at ground level and has no DPM built into it.

Badly fitted Stone cladding can cause rising damp as moisture is able to travel up cladding and into the wall

We sometimes find that stone cladding on the bottom of a wall is easier to remove as the water and freeze-thaw damage can help to loosen it,(especially if the stone finish goes all the way to the ground). Other problems are the loss of adhesion, cracks in pointing allowing water ingress, silver sand which is too fine for pointing, was often used to grout the cladding often with a weak cement content. You may also discover that the render or stone cladding has been stuck over painted bricks, with little or no bond to the wall, again it can become loose,  allowing water ingress. Once moisture builds up behind the cladding or the render the finish will suffer from freeze-thaw damage resulting in additional de-laminated sections. Some houses treated with cladding and render were built from an engineering type of brick which has a smooth almost glazed surface, not a very good brick to render or clad over unless prepared for bonding (Accrington Fletton type  brick) again adhesion problems can exist with this type of brick

Many damp wall problems can be caused by textured spray on coatings stone cladding and pebbledash

Back2Brick have the experience with the removal of stone cladding, pebble-dash and textured coating we are able to specify and arrange installation of new finishes that will work with the fabric of your home and transform its appearance, preserving and protecting it for years to come. 

Once the stone cladding, cement render or textured coating has been taken off you normally have to allow for some wall restoration options. Back2Brick are dedicated to the removal of cladding and renders, we are on hand to professionally assist you with your project. From the initial design concept through to the completed renovation stage, you can rely on us to deliver a high-quality service 

Why not have a quick look at our portfolio section? click the button below to see what can be done once ugly defective render or pebble dash has been removed