Just a useful bit of info' for anyone doing lime or daub render over a timber-frame. A few years ago friends of mine were replacing the cement render on their 15th century timber-frame house, with daub infill and lime render. At the time they were advised to put a 'breather' paper (such as, but not Klober) under the laths, over the frame prior to rendering. Recently the whole lot had to come off as it became apparent the so called 'breather paper', which is supposed to allow moisture to evapourate, was instead trapping moisture, thereby rotting the timbers and causing such a build-up of moisture in the wattle and daub panels and the lime render, they were begining to deteriorate badly. If any of you are doing a render with lime or clay daub, be advised not to put a 'breather' membrane underneath. It really is not neccessary!
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using so called 'breather paper' under lime render
- Thread starter daubdolly
- Start date
Keithj
Member
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- 817
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- Witnesham, Suffolk
I wonder who told them to do that! A paper salesman?
I would have gone for haired lime straight onto the laths.
I would have gone for haired lime straight onto the laths.
Stretched breathable ( or not) paper behind wattles or laths will block the daub or lime render from entering the cavities and spaces between these to form a secure holding bond. Also as the wall is completely breathable there is absolutely no need for any paper.
The opposite will apply , of course, when EML is use to hold modern renders, the paper In this situation will stop the " wet" render carrying through the mesh and being wasted. Also in this situation papers are used in conjunction with insulation and play a different role.
Middi
The opposite will apply , of course, when EML is use to hold modern renders, the paper In this situation will stop the " wet" render carrying through the mesh and being wasted. Also in this situation papers are used in conjunction with insulation and play a different role.
Middi