Method for waterproofing of tunnel structures
AssigneeSika Technology AG
InventorsOtmar PALLY, Isabel SIEGRIST
Life of this patent
Estimating the term…
Abstract
A method for waterproofing a substrate includes steps of: attaching a separation sheet to the surface of the substrate; and attaching a waterproofing membrane sheet to a surface of the separation sheet by a plurality of adhesive elements having a first and second major adhesive surface, wherein the separation sheet is a non-woven fabric sheet, or an embossed polyolefin membrane sheet and each adhesive element includes an adhesive layer composed of a pressure sensitive adhesive.
Claims15
A method for waterproofing a substrate comprising steps of:
- i) Attaching a separation sheet to the surface of the substrate and
- ii) Attaching a waterproofing membrane sheet to a surface of the separation sheet by means of a plurality of adhesive elements having a first and second major adhesive surface, wherein
- the separation sheet is a non-woven fabric sheet or an embossed polyolefin membrane sheet and each adhesive element comprises an adhesive layer composed of a pressure sensitive adhesive.
A waterproofed structure comprising a substrate, a separation sheet attached to a surface of the substrate, and a waterproofing membrane sheet attached to a surface of the separation sheet via a plurality of adhesive elements having a first and second major adhesive surface, wherein the separation sheet is a non-woven fabric sheet or an embossed polyolefin membrane sheet and each adhesive element comprises an adhesive layer composed of a pressure sensitive adhesive.
Dependencies are inferred from the claim text.