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PROJECT / CO DOWN

Damp busters James McIntyre’s solution to mould and mildew was a whole house mechanical ventilation system with heat recovery.

When and how was your home built?

Our bungalow was built with blockwork in 1985 to the insulation and ventilation requirements of the time, approved by Building Control. The house was built on a sheltered site. We carried out minor renovations in 2012 including increasing attic insulation levels, making the home even more airtight. We considered a mechanical ventilation system but the cost seemed too high at the time. Shortly afterwards, condensation and mould started appearing on the outside walls and ceiling of the main bedroom; regular redecorating ensued. 1 0 2 / S E L F B U I L D / AU T U M N 2 0 1 8

What led you to install a mechanical ventilation system?

The condensation and mould problems escalated and started to affect curtains, window blinds, bed clothes in contact with outside walls, and led to damage to clothes in the wardrobe. The mould was ruining our bedroom and repeated cleaning and decorating was not addressing the source of the problem. The only viable solution was to stop the problem at source by addressing air quality and moisture content problems. We regularly had to repaint the worst affected ceiling and walls. So in October 2017, we decided to fit a mechanical ventilation with

‘The only viable solution was to stop the problem at source by addressing air quality and moisture content problems.’

Selfbuild Autumn 2018  
Selfbuild Autumn 2018