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The costs and rewards of underfloor ducting

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article image It is important to get the sub floor ventilation right when it comes to the crawl space in any home
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It is important to get the sub floor ventilation right when it comes to the crawl space in any home.

Crawl space is an American term, which refers to the sub floor area. No matter what terminology is used, it is important to get the sub floor ventilation right.

The principle of air extraction is practically the same in solid brick construction as it is in brick veneer construction, the only difference being that since the rooms are sectioned off from one another by sub walls, each room would need its own ventilation system to draw the damp air out by creating negative pressure in the sub floor region.

In the colder regions of Australia ducted underfloor heating is used with the warm ducts coming in contact with the cold ground, given the reduced clearances in crawl space. This can lead to condensation on top of poor sub floor ventilation creating a twofold problem. The question is whether ducting should be used for sub floor ventilation, which only adds to more unnecessary paraphernalia in the already cramped sub floor region.

Envirofan sub floor ventilation systems are recommended as an effective solution over underfloor ducting as they do not crowd the sub floor area.

Based on the several installations executed by Envirofan, crawl spaces with vents are usually below floor level and above ground level. Reduced sub floor clearances areas cater for thirty percent of installation done, and do not represent the whole of house sub floor area. Flexible ducting therefore, cannot be the standard solution for sub floor ventilation.

Envirofan maximises sub floor ventilation by utilising the right mix of terracotta vent size and brick size ventilation systems.

Envirofan sub floor ventilation solutions are available in Brisbane, Gold Coast, Port Macquarie, Northern Rivers, Taree, Mid North Coast, Hunter, Newcastle, Sydney, Wollongong, Illawarra, Eurobodalla, Southern Highlands, Central West, Melbourne, Adelaide and Perth.

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