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Masonry Water repellents have grown up

06 Aug 11 by

  Before I begin I should admit that in the past, I’ve been a bit critical of water repellent treatments applied to walls. Penetrating damp is usually more to do with ropy pointing and leaking gutters than porous walls and it’s essential to get these fundamentals right first.  Sometimes though, in exposed locations, moisture tracks […]

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

What the hell do these moisture meter readings actually mean? or, Have I got rising damp or not?

25 Jul 11 by

  Electrical Moisture meters for damp diagnosis – oh yes. A thing that raises an eyebrow amongst some independent surveyors is the way we so called ‘specialists’ seem happy to diagnose rising damp, or damp of any kind, using nothing more than our eyes and a conductivity moisture meter. “Ha; I can get a reading […]

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

Wet rot and X-ray vision, with wall tie corrosion thrown in too.

24 Jul 11 by

If want to know what we scurrilous damp, timber and wall tie specialists do all day, here’s a snapshot of a typical day in and around Leeds (apart from the tyre puncture, which meant one survey was dropped; I’d usually do at least four). I’ve chosen this day because it has a nice bit of […]

Filed Under: 'Woodworm', Cavity Wall Ties, Damp, Surveying, Timber Infestations Tagged With: , ,

The Electrical moisture meter and salts – the pariahs of the damp surveyor?

19 Jul 11 by

The following is a guest post by Graham Coleman 0f Remedial Technical Services. Graham is a leading expert in the science of damp and timber preservation see about Graham I’m delighted to host this article – enjoy.   When one starts to trawl through articles and the Internet, it becomes very clear that to some, […]

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

Rubbing salt into the wounds

16 Jul 11 by

The following is a short article extracted from The RICS journal. I have only made it available on my blog for discussion by the linkedin damp diagnosis group members, following a request by our moderator Phil (we’ll be sharing a cell together if I get into trouble for it;) I will read it properly over […]

Filed Under: Damp, Materials, Salt Damp, Surveying 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.