| 摘要 |
<p>The present invention concerns a draining system (1) for a finishing block (2) for coverings or outside pavements, made watertight by means of a waterproof membrane (3), mainly consisting of: a rusticated sheathing (4) - a non woven cloth layer (5), and a perforated sheet (6) made out of polyethylene or bituminized felt, placed above said rusticated sheathing (4).</p> |
