Latest Articles
Managing Damp in Historic Buildings Without Damaging Fabric
Historic walls are designed to breathe, so sealing them with cement and plastic paints traps moisture and accelerates decay. This guide reveals why most "rising damp" is misdiagnosed—and how to work with old buildings' physics instead of against them.
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Restoration, Repair or Conservation: What's the Difference?
Repair, restoration, conservation, preservation—we use them like synonyms, but each demands different ethics and outcomes. This guide unpacks how the object's status, not its damage, decides what you're allowed to do.
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Hydraulic Lime vs Non-Hydraulic Lime: Which to Use and Where
Hydraulic and non-hydraulic lime look identical but behave nothing alike—one sets with water, the other with air. Choose wrong on historic masonry and your mortar crumbles within a winter. Here's the framework for getting it right.
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Why Breathability Matters in Old Walls and Solid Masonry
Old solid walls aren't sealed boxes—they're breathing structures that dry by evaporation. Block that with cement render or acrylic paint and you trap moisture, not stop it. Here's why breathability is physics, not preference.
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Carving Replacement Stones for Gothic Tracery Windows: A How-To
Carving replacement stones for Gothic tracery isn't restoration—it's making a new object that must sit inside a ruin and look like it's always been there. Here's the forensic, error-prone process, including where it goes wrong.
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Listed Building Consent: What Owners Need to Know Before Repairs
Think "repair" means you can skip listed building consent? Think again. This guide explains where the line falls, why LBC is a separate regime from planning permission, and how to avoid a criminal offence.
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Principles of Minimal Intervention in Historic Building Conservation
Minimal intervention isn't neglect—it's the disciplined art of doing only what a historic building truly needs. Get it wrong, and your six-figure restoration may quietly accelerate the decay it was meant to stop.
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Desalination of Porous Stone: Methods and Limitations Explained
Salt crystals growing inside porous stone cause damage that only true desalination can fix—but most treatments fail for chemical, not technical, reasons. Here's what actually works, what it costs, and where physics won't cooperate.
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