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Lime Pointing Aberdeen
 

Traditional lime pointing and cement mortar removal for granite and stone buildings
 

A.D.I Builders Ltd provides lime pointing, cement mortar removal and traditional masonry repairs for older granite, sandstone and stone-built properties across Aberdeen and Aberdeenshire.

Many traditional Scottish buildings were originally built and finished using lime-based mortars. Lime was commonly used for pointing, bedding stonework, internal plaster, external render and harling. Cement mortars only became more widespread than lime mortars from the 1900s, and they are not always suitable for older solid-wall buildings.

Hard or incompatible cement pointing can restrict drying, crack away from the stone and contribute to trapped moisture within traditional masonry. Over time, this may lead to damp issues, loose joints, stone decay, algae growth or repeated repair failures.

Our approach is not to remove every cement joint automatically. We inspect the wall first, identify where the pointing has failed or is causing concern, and then recommend a repair method suitable for the building, stone type, exposure and condition.
 

Why lime mortar matters
 

Traditional masonry is designed to manage moisture differently from modern cavity-wall construction.

Lime mortar is breathable, flexible and sacrificial. This means it can allow moisture to evaporate through the joints, accommodate small movement in the wall, and weather before the surrounding stone. Correctly specified lime mortar can therefore help protect older masonry and reduce the risk of avoidable damage.

The correct mortar specification depends on the building. Factors such as stone type, exposure to rain and wind, existing materials, chimney areas, wall heads, previous repairs and site conditions all need to be considered before repointing starts.
 

Common signs of failed or incompatible pointing

You may need a lime pointing inspection if you notice:

  • hard cement mortar cracking away from the stone;

  • open or recessed joints allowing water into the wall;

  • damp patches internally near external walls;

  • algae, moss or staining on stonework;

  • loose or hollow-sounding pointing;

  • previous patch repairs failing again;

  • stone edges breaking around hard mortar;

  • dampness around chimneys, copings, parapets or exposed elevations.

Pointing is not always the only cause of damp. Gutters, downpipes, roof defects, flashings, chimney haunching, defective copings, high ground levels and poor ventilation can also contribute. This is why we always recommend a condition-led inspection before agreeing the repair scope.
 

Our lime pointing process
 

1. Initial assessment

We inspect the wall, check the visible condition of the pointing and look for possible moisture paths. Where required, we can also review photographs before arranging a site visit.
 

2. Careful removal

Failed or unsuitable mortar is carefully raked out using controlled methods. The aim is to remove defective material without damaging the arrises and face of the stone.
 

3. Joint preparation

The joints are cleaned, brushed out and prepared before repointing. The wall is dampened as required so the new lime mortar does not dry too quickly.
 

4. Lime mortar repointing

A suitable lime mortar is applied in layers where required and compacted properly into the joint. The mortar specification is selected to suit the existing masonry, exposure and repair requirement.
 

5. Tamped / brushed finish

Where appropriate, the new pointing is finished using a churn-brush / tamped technique. This compacts the mortar, closes shrinkage gaps and creates a textured finish that exposes the aggregate.
 

6. Protection and curing

Lime mortar needs proper aftercare. Fresh pointing is protected from rapid drying, heavy rain, frost and unsuitable temperatures. Poor curing can cause lime repairs to fail, even if the correct material has been used.
 

Cement pointing removal

Cement pointing should not be removed without care. In some cases, hard cement mortar can be damaging the wall. In other cases, aggressive removal may cause more damage than benefit.

We assess:

  • whether the cement mortar is cracked, loose or trapping moisture;

  • whether the surrounding stone is already damaged;

  • how deeply the cement has been inserted;

  • whether removal can be done safely;

  • whether a small trial area is required first;

  • whether full repointing or localised repair is more appropriate.

Our aim is to repair the building, not simply to sell unnecessary repointing.
 

Traditional masonry repair for Aberdeen properties
 

Aberdeen has a large number of traditional granite and stone properties. Many have been patched or repointed with modern cement-based materials over the years. Some of these repairs may look solid at first, but can create problems where the wall can no longer dry as intended.

A.D.I Builders Ltd can help with:

  • lime pointing;

  • cement pointing removal;

  • granite and sandstone masonry repairs;

  • localised stone replacement;

  • defective wall-head and coping repairs;

  • chimney and exposed masonry repointing;

  • traditional wall inspections;

  • photographic repair records for owners, factors and surveyors.
     

Guidance-based approach
 

Our approach is informed by public guidance from Historic Environment Scotland’s Engine Shed, which explains that incompatible mortars can accelerate masonry decay and damp problems, and that lime mortars can help traditional building fabric manage moisture by holding and evaporating it.

Aberdeenshire Council has also published examples where failing cement pointing was removed by hand and replaced with appropriate lime mortar on historic masonry. Aberdeen City Council has published repair examples where modern cement pointing or previous mortar repairs were removed and replaced with traditional lime-based mortar.

A.D.I Builders Ltd is not affiliated with or endorsed by these organisations. We refer to public guidance to support good conservation-led practice.
 

Important note about damp
 

Lime pointing can help a traditional wall dry and perform as intended, but it is not a guaranteed cure for every damp problem.

Before starting work, the likely source of moisture should be considered. In many cases, damp is caused by more than one defect, such as failed gutters, roof issues, defective flashings, leaking downpipes, high external ground levels or poor internal ventilation.

Where we believe pointing alone will not solve the issue, we will say so.
 

Trusted local masonry contractor
 

A.D.I Builders Ltd is an Aberdeen-based building and masonry contractor.

We are fully insured, CHAS accredited, Constructionline Silver approved and Aberdeen Trusted Trader Approved.

For lime pointing, cement mortar removal or traditional masonry repair advice, contact us today.

Tel: 01224 044 717
Email: mail@adibuildersltd.co.uk

Send photos for an initial review or request a lime pointing inspection.



















 

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