Positive Input Ventilation – testing in York

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 […]

Mould remediation

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 […]

Guaranteed wall tie replacement – oh dear..

Last week I had the misfortune to be asked to check another wonky remedial wall tie installation.  My client lives in Morley, Leeds and had his wall ties replaced about 12 years ago.  His house is detached, brick-built, with large areas of external render.  It is cavity wall insulated. He wants to decorate the render, […]

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

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 […]

Hurray! Damp Guarantees – now last forever….Guaranteed!

‘Green’ damp solving systems from the ‘Neverlands’ now come with a ‘lifetime’ guarantee. How do you define “lifetime” The inventor’s lifetime?  The customer’s lifetime? the lifetime of the house?  the installing technician’s? the installing limited company? – or the Daily Star advertising director’s? I don’t know.  What I do know is that all companies who […]

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.