Mould / Green Building & Sustainable Home Renovation Information & Advice

Condensation on windows – is it bad? It’s that time of year when condensation on windows becomes a pain, we wake up in the morning, can’t see out, curtains are wet, there’s water on the window bottoms, and even worse it can affect the walls below windows causing mold and mildew in drywall and furniture. Condensation i...

Vapor barrier + air-con = damp moldy walls So here's a little known fact that most HVAC installers won't tell a potential new client for central air; Polyethylene vapor barriers in combination with air conditioning in homes can rot walls because of the condensation they may cause. This is why if you have a newer home w...

...moulds and mites that will show up on either end of the spectrum if your air is either too humid or too dry. As the EPA say, somewhere in the range of 35 to 50% relative humidity is generally assumed to be the best for avoiding most health risks and irritants. It’s high enough that you won’t have cracked furniture, cha...

...mould (or mold for our US readers), mildew and pest infestations in hemp board. The safer manufacturing process of hemp building materials not only reduces the risk of exposure to VOCs in the home, it amounts to a reduction in the manufacturing of toxic synthetic materials, thus protecting global air quality and waterw...

...moulds and mites that will show up on either end of the spectrum if your air is either too humid or too dry. As the EPA say, somewhere in the range of 35 to 50% relative humidity is generally assumed to be the best for avoiding most health risks and irritants. It’s high enough that you won’t have cracked furniture, cha...

...mould problem, clean it with detergent. But mould will always come back unless you address the issue that caused it. See our pages on ventilation and air exchangers for more information on home humidity. Harmful VOCs Volatile organic compounds form a large part of household chemical pollutants. Formaldehyde, benzene, t...