Why use cement render?


It still amazes me. This cottage has been rendered with cement render, it is beginning fail and reveal why. The building is made from stone, with lime mortar in the joints of the stone. If you look at the hole where the render has fallen away, you can see what beautiful stone lurks begins the cement.

This photo was taken in a village where all the houses are made from the same stone, provide a very pleasing character. So why render? To be different? Was it a good sales man who called? I suspect it was a small sign of damp or a problem inside the building and they thought that if they 'water proof' the building with cement the problem would go away,  I suspect it didnt work, as all te cement would do it trap the moisture inside the building, a building which was building to breath moisture in and out. 

These buildings need to breath and they work with moisture being drawn in and let out through the open pours of the lime joints between the stone. this just creates a build up of moisture behind the impervious render, pushing the render off and making the stone fail. It will also make the interior of the house damp. It also affects the charecter of the house and the village, with the rest of the houses with their richly coloured stone on show.

Comments

  1. Amazing craftsmanship hidden behind the render! It's incredible to see what lies beneath the cement. The stonework really gives the building its unique character, which the render completely obscures. It's such a shame that moisture buildup causes these problems.
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  2. The real beauty is in the stone! It’s unfortunate that the decision to render has had such negative consequences. The stone and lime mortar give a sense of authenticity and charm that should be preserved.
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  3. You’re absolutely right about the damp problem! It’s so common for people to think that cement will ‘solve’ dampness, but in reality, it just traps moisture inside. It’s a reminder of how important it is to maintain the natural breathability of these old buildings.
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  4. That’s a tough spot to be in! It’s hard to undo the damage once cement is applied, but at least we now understand how these buildings should be treated to keep them healthy and looking great.
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  5. The village's charm really shines through the stonework. The consistency of the stone throughout the village gives it such a distinct look, which is lost when cement render is applied. It seems like the perfect example of how one small change can disrupt the character of an entire community.
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  6. Such a good point about breathable materials! It’s fascinating how lime mortar was used for a reason. It’s a shame that modern solutions don’t always work with the natural environment of these buildings, causing long-term damage.
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  7. This definitely makes you appreciate the value of traditional building methods. It's so easy to forget that these homes were designed to 'breathe' and that modern materials, like cement, can disrupt that delicate balance. Hopefully, more people learn from these mistakes!
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