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Lime pointing Edinburgh by the experts
Why Should I use lime?
Lime pointing Edinburgh have certain characteristics witch make them the most appropriate material appropriate material for repairing buildings constructed or finished with lime. Lime mortars allow ‘, traditionally constructed (mass wall) buildings to ‘breathe’, unlike modern OPC mortars which can be virtually impermeable to moisture, trapping it within the walls and leading to dampness and decay internal.
Why is cement pointing bad vs Lime pointing Edinburgh
Cement pointing traps the moisture , witch through the action of frost and the concentration of salts accelerates the decay of the stone.
Cement-rich mortars, as these will set harder than the stone. Cement mortar is less porous than stone, so moisture gets trapped in the stone and evaporates at the stone face, causing it ti weather rapidly and over time leaves the pointing standing proud of the stone. Cement-rich mortar prevents the stone. Bricks from expanding when warmed by the sun, causing the stone to break up more quickly.
In addition to damaging the stone stonework, cement, rich mortar looks out of place, as it is often a gray or off-white color which does not complement the color of the stone. For more information on our Lime Pointing services, contact the Edinburgh Stonemasons.