Positive Input Ventilation as a condensation control: Case study in York: 2…the data:

As I was saying in my last article on this subject, anecdotal evidence for the benefits of PIV’s is good. When I returned to the bungalow in York, last Monday morning it was business as usual; “This is a different house” exclaimed my client “The stuffy feel has gone and you can just tell it’s […]

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

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 […]

Relax, you’re at 3000 feet…

Saturday morning and I was sat on the hillside at Wether Fell, near Hawes, in the Yorkshire Dales.  I was waiting, along with ten or so others, for the wind to pick up. I had my brand new paraglider laid out ready, and I was strapped in y harness.  I’ve been paragliding for five years […]

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 […]

Capillary active waterproofing? (for concrete).

Concrete is not generally waterproof.  Pores and cracks within will let water through and the age old problem is how to stop it. Most methods involve sticking a layer of something other than concrete on one side of the slab/wall or another.  Usually these are bitumen based, with little affinity for damp concrete.  Applying them […]

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