To dry up the walls and reduce capillary rise, we install a ventilated hedgehog, as well as draining insulation…

   • Thousands of stones !  

Called a "hedgehog" in french, this is made of stones on edge, with a ventilation drain.
It is finished with washed 6/35 gravel and supplemented with an insulating and draining solution of expanded glass aggregates.

Radon by municipality in France:
https://www.irsn.fr/savoircomprendre...
Radon by municipality in Belgium:
https://afcn.fgov.be/fr/dossiers/rado...
The Ardennes massif: https://fr.wikipedia.org/wiki/Massif_...

⭐ A helping hand for our project?
– TIPEEE http://bit.ly/2tDzJwG
– PAYPALME http://bit.ly/2NvteVJ

00:00 | Hi
00:19 | Breathable earth coating
01:42 | Installation of the ventilation drain
04:11 | Ventilated stone base layer: Hedgehog
07:12 | Hedgehog pose
12:06 | Hedgehog and gravel suite
17:04 | Insulating and draining layer
22:47 | End

#hedgehog #misapor #drainage