If your home was constructed before the 1930s, its structural integrity depends entirely on the breathability of its mortar. Traditional solid-wall properties were built to flex and breathe. When modern sand and cement are introduced to these historic structures, the results are almost always catastrophic for the brickwork and can introduce a whole host of other unwanted side effects.
At Unique Pointing we are specialists in traditional lime mortar repointing. Our team provides historically accurate, structurally sound masonry preservation designed to safeguard your property for generations to come.
Why period stone and brickwork requires natural hydraulic lime (NHL 3.5)
Using ordinary Portland cement on period brickwork is the single most common mistake that we see. Cement creates an impermeable, rigid barrier that suffocates historic masonry. Cement cannot breathe or flex like lime mortar, and moisture becomes trapped within the brick envelope. During winter freeze-thaw cycles, this trapped water expands, forcing the face of your historic bricks to crack and burst (a destructive process known as spalling).
We eliminate this risk by working exclusively with premium Natural Hydraulic Lime (NHL 3.5).
Above: a Victorian period property in Cheshire before and after undergoing a full brickwork restoration by Unique Pointing, including lime mortar repointing.
The crucial benefits of NHL 3.5 mortar
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True vapour permeability: NHL 3.5 allows moisture to evaporate naturally through the mortar joint rather than being forced through the brick face, permanently resolving penetrating damp issues.
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Structural flexibility: Period homes naturally settle and shift. Lime mortar possesses an elastic memory that accommodates minor structural movements without cracking or fracturing the surrounding masonry.
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Sacrificial longevity: Historically, mortar is designed to be softer than the brick. Our custom NHL 3.5 mixes protect your irreplaceable handmade or heritage bricks from wearing away, absorbing the environmental stresses instead.
Above/left : lime mortar repointing on heritage stonework at a conservation project in Lancaster.
Our meticulous lime mortar pointing process
We don’t perform patch pointing or superficial cosmetic repairs. To ensure a structurally unified and aesthetically flawless finish, we operate on a minimum specification of one full elevation (wall) per project basis.
We carefully rake out deteriorated legacy mortar to a strict minimum depth of 20mm. This is done meticulously using specialist tools to ensure the sharp edges of your historic bricks aren’t damaged or rounded.
Before a single grain of new mortar is applied, the exposed joints are thoroughly cleared of dust and deep-seated organic growth. This step is frequently paired with our non-destructive DOFF Steam Cleaning system to restore the brick substrate safely.
We do not use artificial chemical pigments or dyes to tint our mortar. Instead, we achieve historically accurate tones by blending specific, locally sourced red and yellow sands. This guarantees a natural finish that seamlessly complements the architectural heritage of your specific property and area.
Every joint is firmly packed by hand and finished using traditional techniques, such as a flush or slightly recessed brush finish. to make sure the style and era of your property is maintained.
Uncompromising standards, guaranteed
Both brick pointing on a modern property and restoring masonry on a period property requires significant investment, and we understand you want total peace of mind with that. At Unique Pointing we are fully structured to protect you and your property:
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10-year workmanship guarantee: Backing all full-elevation pointing and lime repointing contracts.
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Fully insured: Protected by £5,000,000 in specialist Public Liability Insurance cover.
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We are a VAT registered limited company: Registered at Companies House under company registration no. 15765224.
Trusted by period property owners across the North West
From large-scale 19th-century commercial stone landmarks, historic domestic residences to period terraced houses, our preservation work is woven into local landscapes. We are the trusted choice for conservation-conscious owners across the North West.
Whether your property is a Victorian semi-detached home in Stockport, a sprawling estate in Bowdon, or an Edwardian terrace in Stretford, we deliver museum-grade craftsmanship directly to your project.
Above: Completed brick restoration projects on period properties after undergoing specialist, period correct Lime Mortar repointing.
Have any questions?
Please note, our office address is for written correspondence only – all services are provided on-site at your property.
You can also send us a direct message, including image attachments if required, using our contact form below and we will get back to you as soon as possible.