Stop Your Curtains Getting Damp and Mouldy
It’s time to bid farewell to summer for another year and start facing the reality that soon it’s going to be cold and damp for a while. As we enter those colder months and condensation appears on the windows, we thought it was a good time to share some tips on preventing mould and mildew growing on your curtains.
What makes mould and mildew grow?
Interestingly, it’s not directly the condensation on your windows that causes mould and mildew because most curtains don’t come into contact with it. Mould and mildew grow when there’s moisture and warmth in the home, which condensation does contribute to.
Just like everything absorbent in your home, as temperatures go up the moisture in the air evaporates and is absorbed into the fabric. As they cool, the moisture changes back from its gaseous state to being closer to its liquid form. In absorbing this moisture, they also take in any bacteria it holds. Repeated over time, this is what causes the nasty growths.
The difference between mould and mildew
Mould is a broad term that encompasses multiple identical nuclei and can grow beneath and penetrate the surface of affected material. Mildew is a type of mould that grows on the surface and can therefore be much more easily treated/removed. When its live, moulds are orangey or reddish in colour. The black patches we see are actually the hibernating mould spores waiting for the sun to warm them up and bring them back to life.
Where does all this moisture come from?
We live in a pretty humid climate in New Zealand at the best of times; in some areas it’s even greater. But it’s not all weather related. Cooking, showering, drying clothes, unflued gas heaters and simply breathing and existing all produce moisture content within our homes.
Preventing moisture build up and/or drying out your home
- Install a home ventilation system of some kind.
- Crack the windows a little during the day to allow a bit of cool air to flow through your home. North facing windows are best....
Keep reading: www.curtainclean.co.nz...
Have you got New Zealand's best shed? Show us and win!
Once again, Resene and NZ Gardener are on the hunt for New Zealand’s best shed! Send in the photos and the stories behind your man caves, she sheds, clever upcycled spaces, potty potting sheds and colourful chicken coops. The Resene Shed of the Year 2026 winner receives $1000 Resene ColorShop voucher, a $908 large Vegepod Starter Pack and a one-year subscription to NZ Gardener. To enter, tell us in writing (no more than 500 words) why your garden shed is New Zealand’s best, and send up to five high-quality photos by email to mailbox@nzgardener.co.nz. Entries close February 23, 2026.
Step by step for a great cause!
Our amazing Hillary Hikers from Edmund Hillary Village showed their support for Bowel Cancer New Zealand's Move Your Butt campaign this month!
Sporting the bright purple and orange campaign shirts, these wonderful walkers hit the Auckland waterfront and marched from Mission Bay to Kohimarama, raising awareness for bowel cancer and the importance of early detection along the way.
Click read more to read the full story.
🧩😏 Riddle me this, Neighbours…
I am an odd number. Take away a letter and I become even. What number am I?
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