What if your wall was green… and intelligent? No, we’re not talking about technology, but about ivy, a climbing plant that is sometimes unloved, but has unsuspected natural insulating virtues. As well as being aesthetically pleasing, it can play a real role in your energy savings. So how can you make the most of it without turning your home into an ancient ruin? We tell you all about it.
Ivy, a natural insulator that (almost) grows by itself
The magic thing about ivy is that it doesn’t require automatic watering or a degree in thermal engineering. Once installed, it takes care of itself like a big boy. But beware: behind its wild nature, ivy is a true thermal ally.
👉 In summer, it forms a natural shade and limits the heat absorbed by the walls, acting like a green air conditioner.
👉 In winter, it creates a barrier against wind and heat loss.
The result? Reduced heating and cooling requirements, and therefore real energy savings.
How can you make the most of it without turning your home into a jungle?
Yes, ivy climbs, it clings… and sometimes it creeps in. But don’t panic: you can set limits.
🌿 1. Use a trellis or freestanding structure
Prevent ivy from attacking your facade directly. Install a wooden or metal trellis 10-15 cm from the wall. This allows air to circulate and preserves the materials. Plus, it’s easy to maintain!
🌿 2. Look after him like a pet
A little pruning twice a year keeps ivy in its place. Prune it back to prevent it from climbing onto the roof or blocking the gutters.
🌿 3. Check wall condition
Before you let your ivy flourish, make sure your walls are sound and free of cracks. Otherwise, it could penetrate them, and goodbye savings!
A green and economical choice
In addition to its insulating properties, ivy contributes to biodiversity: it attracts pollinating insects and provides shelter for birds. What about you? You get a green façade, natural thermal comfort, and a nice reduction in your energy bills. A winning combo, don’t you think?
In a nutshell
- ✅ Natural insulation that works in winter and summer
- ✅ Simple installation with trellis
- ✅ Ecological, aesthetic and economical
- ❗ Light but regular maintenance required
Want to know more about insulation? Check out our article on 10 tips for insulating your home without any work!