| 摘要 |
The invention provides a waterproofing sheet comprising a top layer comprising a support material, a base layer and a waterproofing layer disposed between said top and base layers. The waterproofing layer may be laser bonded to layers adjacent thereto. The waterproofing sheet prevents passage of liquid water from a first side thereof to the second side thereof. The invention also provides a waterproofing membrane comprising the waterproofing sheet and a UV-protection polymer located in and/or on the support of the waterproofing sheet. |
