Why Old Stone Buildings Need to Breathe
Traditional walls are moisture-active. When we seal them with modern materials, the fabric begins to fail from the inside out.

Short, practical writing on lime, pointing, stonework and the care of old Irish buildings.
Traditional walls are moisture-active. When we seal them with modern materials, the fabric begins to fail from the inside out.
The unseen story behind so many damp problems in old houses — and why the render is often the cause, not the cure.
How a thermal lime render can improve comfort on solid walls without compromising the breathability old buildings depend on.
The joint is the softest, most sacrificial part of a stone wall. Get it wrong and the stone pays for it.
So much of our work begins by undoing the wrong work. What often lies beneath a grey cement skin is a beautiful, hidden building.
A permeable drain, done properly, can transform the moisture story at the base of a solid stone wall.
An hour of correct diagnosis often prevents thousands in wasted intervention. Diagnose first, always.
A note on specialist historic methods — including those long used in fireplace and flue work to control staining bleed-through in finished lime.