Terminology and Remedies

On this page we show some of the ways we can help breathe fresh air into your home, and explain some of the condensation and mould terminology in use today.

Door Trimming

Doors that are 'tight' to the carpet restrict airflow. In rooms like bedrooms where the humidity tends to be quite high then this can lead to condensation and mould forming. In fact the government recommend a gap equivalent to 10mm on a standard door to encourage air circulation so simple measures such as trimming the bottom off doors can be part of a package of measures to curing mould.

Trimming the bottom off a door

Shortening a door helps air movement

Extract fans with humidistat control and trickle function

Removing humid air as soon as it is generated is an important part of keeping overall humidity levels low. Typically extract fans should be fitted in problem areas like bathrooms, en-suite rooms, and kitchens.

The trickle function means the unit never switches off, but slows to a quiet trickle - enough to dry the rooms completely and helping overall air movement in the home. The humidistat control means that the fan will automatically move to a higher speed when it senses higher humidity (and fall back to the trickle speed when the humidity is at a low level).

Effective extract fans control condensation

Extract fans can be ceiling or wall mounted

External roof vents (vented slates)

In our view a loft should be well insulated but draughty. Insulation on the base of the loft helps to keep the rooms on the first floor warmer, but making sure the loft is adequately ventilated will keep the roof timbers dry and stop moisture forming on the tile underfelt. External roof vents are an effective way of preventing condensation in the loft.

external roof vents

External roof vents

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Too much humidity and not enough ventilation
= damp, condensation & mould

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