초록 ▼

A novel multi-layered system for waterproofing and sealing a rigid structural unit using as a first coat a styrene polymeric film cast from an organic solvent and an elastomeric overcoat applied thereon is described. The first coat is easily maintained as damaged areas and imperfections can be repai

A novel multi-layered system for waterproofing and sealing a rigid structural unit using as a first coat a styrene polymeric film cast from an organic solvent and an elastomeric overcoat applied thereon is described. The first coat is easily maintained as damaged areas and imperfections can be repaired by simply applying additional liquid composition to the damaged area, and the liquid composition remelts the existing film allowing the newly formed film to be continuous. The overcoat adds crack bridging properties to the first coat without bladdering. Novel methods relating to the use of the system are also described.

대표청구항 ▼

A method of waterproofing a rigid structural unit comprising the steps of: (a) applying to at least one surface of the rigid structural unit a liquid composition having a solids content of about 35 wt. % to 65 wt. % in an organic solvent vehicle comprising: (i) about 100 parts by weight of a binder

A method of waterproofing a rigid structural unit comprising the steps of: (a) applying to at least one surface of the rigid structural unit a liquid composition having a solids content of about 35 wt. % to 65 wt. % in an organic solvent vehicle comprising: (i) about 100 parts by weight of a binder resin comprising a styrene polymer having at least 85 wt. % styrene homopolymer; (ii) about 0 to 50 phr of a plasticizer; (iii) about 0 to 200 phr of a filler; and (iv) about 0 to 100 parts of a particulate solid selected from the group consisting of an opacifying agent and a pigment; and (b) solidifying the liquid composition to form a continuous film; (c) applying an elastomeric overcoat to the continuous film wherein the overcoat adheres to the continuous film.