Improve Under Floor Ventilation

To avoid this situation airbricks must be positioned in the wall such that air can exchange freely between the sub floor void and the outside.

Improve under floor ventilation.

These airbricks are manufactured in terracotta and plastic to approximately the size of a standard brick and one should be inserted in the wall every 180cm 5ft 11in on all sides of the property. Since air is supplied closer to occupants the resulting ventilation effectiveness is improved by as much as 20. Cross flow ventilation was traditionally achieved by placing sleeper walls see figure 2 at intervals throughout the sub floor. Simple air vents commonly brick type vents with small holes in them strategically positioned around the sub floor perimeter is the most common measure to ensure sub floor ventilation.

The system controls condensation reduces mould mildew and possible odours. Circulation of the subfloor air prevents the occurrence of moisture and mildew underneath the house maintaining a happy healthy household. The recommended minimum area of ventilation required for under a suspended timber floor is 1500mm 2 for every metre of perimeter of the structure. Sub floor ventilation cuts off the source of the moisture from being evaporated through timber floors into the property which helps with mould and mildew issues and protects your timber floors.

The sleeper walls would be honeycombed in nature to facilitate airflow. Visit us today for the widest range of ventilation products. The principles of sub floor ventilation are quite simple a well ventilated area that allows for fresh air to enter from different areas will generally result in a healthier sub floor area. The right sub floor ventilation will create a damp free sub floor area.

Sub floor ventilation is another way to protect your home and increase your defenses against dampness condensation mould mildew and other moisture related problems as well as any undesirable odors from the under floor area attacks from termites white ants etc that would not only affect your home structure but your family s health. Over a prolonged period this moisture causes the floor to rot from the underside. Subfloor underfloor ventilation kits provide an effective solution for ineffective movement of air under the house. This is important to ensure your timber joists wall plates and floor boards are kept suitably dry below 16 18 mc they are generally not at risk of timber decay.

Check out our range of sub floor ventilation products at your local bunnings warehouse. We often recommend that these traditional terracotta vents are replaced with ones that offer a much higher airflow eg louvred ones to improve the sub floor ventilation.