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A word on Relative Humidity……(in houses).

21 Nov 10 by

Later this week I will blog the results of the data logging I’m completing at York See this Article I though it would be useful to recap some general information on environmental measurement, as it relates to condensation diagnosis and control; for those who may not deal with these issues in such detail. Humidity can […]

Filed Under: Condensation, Damp, Surveying Tagged With: ,

Positive Input Ventilation – testing in York

05 Nov 10 by

Here in Yorkshire, we are well into the ‘condensation season’.  That period from around late September to March, where the majority of clients asking for ‘damp’ inspections are really plagued by mould growth, caused by condensation. Of course, excessive condensation is a growing problem, especially now that the government has decided that heat loss is […]

Filed Under: Condensation, Damp, Surveying Tagged With: ,

Mould remediation

26 Oct 10 by

Last week I spent two days in Farnham, Surrey, at the National Flood School. The course was Mould Remediation.  I’ve spent many a happy hour learning how to avoid mould growth,by controlling humidity and temperature. Flooding doesn’t respect normal precautions and sadly, mould growth is often a result of any flood, be it ground water […]

Filed Under: Condensation, Damp, Flooding, Mould, Surveying Tagged With: , , , , ,

Using a membrane behind dry-linings, as a damp-proofing method needs thought….

15 Aug 10 by

As a damp proofing specialist I regularly use membranes to avoid damp.  However, the use of cavity drain membranes is increasing and on many occasions I find that they are incorrectly specified and cause problems. This is not the fault of the materials, merely poor knowledge of the specifyer.  Sometimes a builder, sometimes a customer […]

Filed Under: Condensation, Damp, Materials, Mould, Surveying, Waterproofing Tagged With: , , ,

Green Damp-proofing system seen stopping damp rising up through windows….

12 Aug 10 by

Dry Rot is ill, this is Doctor Hindlefokker, sitting in for him. The well documented problem of damp, rising up through vindows and frames, then up through zee lintls and such is a thing of the past.  As can be seen in the image below, damp can be removed from zee vall over zee lintel […]

Filed Under: Damp, Rising Damp Tagged With:
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Copyright © 2010 Preservation Expert. Legal Stuff: All the advice and information in the posts on my blog is made in good faith and is based on my experience and knowledge at the time of writing. However, nobody is infallible and whilst I’m confident that most of what I write about preservation issues is accurate, there’s a good chance there’ll be an error or two somewhere. I do change my mind about stuff, as I gain more experience. In view of this you must make your own decisions on whether to follow any advice I write and think about this; I could be wrong. No responsibility will be accepted by the author for any losses anyone may suffer as a result of any mistake or for the consequence of any action you take as a result of reading this blog. If you do suffer a loss, resulting from anything I’ve written, a verbal heartfelt apology will be your only compensation.