Residential Sub Floor Ventilation
The amount of ventilation needed will be dependent on the specific location and on the building itself. Other factors like soil type and the system of runoff drainage all form very significant factors in terms evaluating roof and house cooling systems and requirements for your sub floor. If your over notice that your sub floor is musty, damp, smelly, moldy, smelly or fungi is growing, then you certainly need some ventilation for your subfloor!
How does it work?
The aim of ventilating your sub floor is to get the moist air replaced with some fresh and dryer air. The easies method utilized in achieving this is by the installation of several vents within the building wall and depend on natural air movement or ventilation in taking care of the ventilation. From time to time the ordinary sub floor ventilation is adequate, however frequently nature may require an assisting hand. So as to ventilate more efficiently, to install a number of sub floor fans enable the extraction of the moisture and stale/damp air and in replacing it with air drawn that is fresh from the outside.
Sub floor fans might get installed to produce some form of cross flow ventilation. This is pulling some fresh air from one building side through the entire under floor quarter and then extracting the heavy moisture through the opposite building side to boost ventilation. For the cross flow ventilation to become effectual, the air really ought to only enter from one building side while the sub floor fan ought to extract from the opposite building side. In case the cross flow is really not a viable alternative, the sub floor fans or fans could get ducted so as to be extracting moisture from specific locations that are damp.
When picking the location for your sub floor ventilation fan system it is essential to keep in mind that for it to be able to get rid of the moist and damp air, replacement fresh air has to be available via strategically vents.