| 摘要 |
Insulating floor void made of expanded plastic material, in particular polystyrene or similar, which is provided with strengthening positioned along its length and is able to rest by its support nibs 21, 22 on the heels of flooring beams. The strengthening 31, 32 are formed by a thin or very thin sheet, film or thin skin formed at least on the lower surfaces 27, 28 of the nibs 21, 22 and the surfaces 29, 30 next to them designed to come into contact with the heels of the beams. <IMAGE> |
