Many traditional properties are built with a suspended wooden floor which sits above a void air space between the perimeter walls and ground if this space is not ventilated the air in it becomes stagnant and humid and the moisture within it begins to condense on the brickwork and flooring.
Sub floor ventilation uk.
You should instruct a timber treatment contractor to investigate the full extent and carry out the necessary work i m guessing the defects in question would be wood rot but what s the likely cost of getting the ventilation from inadequate to adequate.
Before t g tongue and groove floor boarding you had draughty gaps between boards.
Suspended concrete floor this construction is similar to the timber floor above but uses either pre cast concrete planks or small pre cast concrete beams with concrete blocks laid between the.
Ventilate the underfloor space by providing ventilation in two opposing external walls.
Passive air vents pavs passive air vents pavs are an effective method of ventilation and heating management that help to expel up to 2 5 litres of excess moisture per day.
The more sub floor ventilation the better.
Ensure ventilation has a free and unobstructed path to all areas by making provision for ventilation air to pass through sleeper walls and other sub floor obstructions.
Filling a hole in the subfloor.
Query regarding subfloor ventilation.
The beauty of this form of sub floor ventilation is that it requires no electricity and works 24 hours a day.
I have an cupboard at the corner of my living room where the electricity meter is.
Air vents should be placed underneath to provide ventilation to the void and the air should be able to travel from one side of the building to the other.
Sub floor ventilation is inadequate which may have allowed defects to occur.
This will include the cost of your new sub floor ventilation.