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Failed concrete damp proof membrane repair

May 13th, 2019

All posts, Damp / Rising Damp / Damp Proofing /, Surveying

in-situ remedial damp repairs to concrete floor and the problems associated with failure.

Spray Foam Insulation

April 3rd, 2019

All posts, Condensation, Energy Efficiency / Insulation Improvements

Thankfully it’s not often we’ll come across retrofit spray foam insulation however, it is still important to understand its impact as there are still a large amount of properties who’ve employed this insulation technique in the past.

Spray foam insulation is a polyurethane spray applied foam which sets to form an insulating barrier. It’s available in two different types open cell and closed cell.

Closed … read more

EXPLAINED: Moisture Content Analysis using the Gravimetric Process

March 15th, 2019

All posts, Damp / Rising Damp / Damp Proofing /, Surveying

Gravimetry is basically the quantitative technique which measures mass or a change in mass during an analytical process. For example, we’ve probably all unknowingly undertaken this ourselves when stepping on scales during a dieting regime or when in training. Effectively we’re measuring our own body mass and comparing this weight loss or gain to a prior measurement, this is basic gravimetry.

The gravimetric technique is used … read more

Equilibrium Relative Humidity

March 11th, 2019

All posts, Damp / Rising Damp / Damp Proofing /

Today I revisited a property to take some equilibrium relative humidity readings in a hygrobox which I installed last week. The property is a new build which had floor screeds laid late last year. The clients are installing expensive oak flooring throughout and wanted to check the floors were dry prior to laying. I undertake these tests often for many flooring contractors and floor retailers … read more

How smart home technology can help reduce the risk of condensation and mould problems

December 14th, 2018

All posts, Condensation, Energy Efficiency / Insulation Improvements, Surveying

Over the past year or two I’ve recommended remote heating systems such as Nest or Hive to several clients most of whom are landlords suffering with mould / condensation problems in their let properties.

As most will know mould and condensation problems are not just caused by poor ventilation, they occur due to an imbalance between a number of factors such as: moisture production, ventilation, … read more

City of York Flood Events 2000, 2007, 2012 & 2015

October 24th, 2018

All posts, Flood Restoration & Drying, Surveying, Water Damage















Nearly two years after the devastating floods in York, Dryfix are still surveying properties for reported flood damage.

Over the Christmas period of 2015/2016 the City of York suffered extensive flooding due to weeks of torrential rain and failing of the River Foss barrier, resulting in over 300 home owners requiring … read more

When water proofing goes wrong

October 8th, 2018

All posts, Damp / Rising Damp / Damp Proofing /, Flood Restoration & Drying, Surveying, Water Damage

Flooded garage in York due to failed water proofing system. BS8102 - Code of practice for protection of below ground structures against water from the ground

Chimneys & Salt Contamination

September 28th, 2018

All posts

Nice example of salt contamination on a chimney recently.

Have you ever noticed discoloured patches which often appear damp on the face of your chimney? If so, this could be caused by salt contamination.

Salt contamination within a chimney occurs due to the long term effects burning of fossil fuels (coal and wood etc) in an open fire. When fossil fuels are burnt, contaminates are … read more

The truth about moisture meters. Moisture meters and how they work.

August 7th, 2018

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So, you want to know the truth about moisture meters?……………………………. They don’t work, they don’t actually measure moisture, they’re designed for wood, they’re a waste of time, you can make them go red by putting your finger over them! Yes, during my 20 years in the industry and 14 years as a professional surveyor I’ve heard all the claims, even the suggestion that “rising damp … read more

Industry Perception Study

July 26th, 2018

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industry perception study

Although I dislike the thought, there is the perception that our industry is full of con artists; surveyors running around sticking inaccurate moisture meters in walls of buildings diagnosing rising damp in every property with the only appropriate solution being the inevitable retro-fit damp proof course and expensive re-plastering. It is an image which has tainted the industry for the past thirty years. Like many … read more

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