Z E M C H 2 0 1 2 I n t e r n a t i o n a l C o n f e r e n c e
584
2º
Placing the alveolus membrane – Ecoroof (2cm) that helps to retain the
water below, forming drainage channels.
3º
Placing draining membrane of nutrients retention – Ecoroof.
4º
Placing lightweight substrate – Ecoroof (1 cm or more). Each litro/m²
corresponds to 1cm high.
