# US 4,464,215 A · Process of applying a unitary construction barrier

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- Number: US 4,464,215 A
- Document ID: US4464215A
- Status: Granted
- Kind: A
- Application number: 06/402,749
- Filed: 1982-07-28
- Granted: 1984-08-07
- Earliest claimed: 1982-07-28
- Assignees: W. R. Grace & Co.
- Inventors: Joseph A. Cogliano
- Web page: https://patentgrep.com/patent/US4464215A

## CPC

- E04D 13/1687: {the insulating material having provisions for roof drainage}
- B32B 7/02: Physical, chemical or physicochemical properties
- E02D 31/02: against ground humidity or ground water {(E02D31/06 takes precedence; arrangements other than according to E02D31/04; against hydraulic pressure of groundwater E02D31/10)}
- E04D 3/351: {at least one of the layers being composed of insulating material, e.g. fibre or foam material}
- E04D 3/352: {at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets}
- E04D 13/1662: {Inverted roofs or exteriorly insulated roofs}
- Y10T 156/1092: All laminae planar and face to face
- Y10T 428/14: Layer or component removable to expose adhesive
- Y10T 428/249983: As outermost component
- Y10T 428/249985: Composition of adhesive or bonding component specified
- E04D: ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F13/00)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- E02D: FOUNDATIONS; EXCAVATIONS; EMBANKMENTS (specially adapted for hydraulic engineering E02B); UNDERGROUND OR UNDERWATER STRUCTURES {(tunnels, tunnelling, mining E21)}
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A process for forming an insulation/waterproofing or a water drainage enhancer/waterproofing barrier on a construction surface by applying directly to said surface a preformed unitary structure comprising a non-porous adhesive sheet like membrane having directly adhered to one surface thereof a cellular board.

## Claims

### Claim 1

A process for forming a barrier construction on a structural surface comprising
(A) transporting barriers to a structural surface to be covered, each of said barriers comprising
(a) a porous, substantially planar structure having a first and a second major surface and edges defining the dimensions of the structure and said structure having a thickness of from about 0.25 inch to about 10 inches and
(b) a non-porous bituminous adhesive sheet formed from blends of bituminous material and natural or synthetic rubber or resin, said sheet having a thickness of at least 0.01 inch, a first and a second major surface and edges defining the dimensions of said adhesive sheet, wherein two of the sheet edges extend beyond, are each substantially parallel to an edge of the porous structure, respectively, and are in contact with each other at one corner section of said barrier, and wherein the first major surface of said adhesive sheet is in contact with and self-adhered to the substantially entire first major surface of the porous structure; and
(c) a first protective coating which is coextensive and congruent with the extended portion of the first major surface of the adhesive sheet and a second protective coating which is coextensive and congruent with the second major surface of the adhesive sheet, each of said coatings being removable from and substantially non-adherent to said adhesive sheet.
(B) removing the second protective coating from the second major surface of the adhesive sheet of a first barrier;
(C) positioning and applying the first barrier onto a structural surface to cause the adhesive sheet's second major surface to be in contact with a portion of the structural surface;
(D) removing the protective coating from the extended portion of the first major surface of the first barrier's adhesive sheet;
(E) removing the protective coating from a second major surface of the adhesive sheet of a second barrier;
(F) positioning and applying the second barrier onto the structural surface adjacent to that of a previously applied barrier in a manner such that a portion of the second major surface of the adhesive sheet of the second barrier is superimposed on a portion of the extended first surface of the adhesive sheet of the previously applied barrier and the second barrier's porous structure is adjacent to the previously applied barrier porous structure; and
(G) repeating Steps (D), (E), and (F) until the structure surface is covered.

### Claim 2 (depends on 1)

The process of claim 1 wherein each barrier has its porous structure and adhesive sheet substantially in the form of quadrilateral parallelograms, said second major surface of said porous structure is substantially planar, and said first major surface of said porous structure has edge areas which are coextensive with and extending from said remaining edges and said edge areas of the first major surface are in closer spacial relationship with the second major surface than the remaining portion of said first major surface of said porous structure.

### Claim 3 (depends on 2)

The process of claim 2 wherein each of the applied barriers has extended adhesive sheet edges of from 1 to 10 inches beyond the edges of the barrier's porous structure and the edge portions of its porous structure extend from 1 to 10 inches from said remaining edges.

### Claim 4 (depends on 1, 2)

The process of claims 1 or 2 wherein the porous structure is formed of a closed pore structure.

### Claim 5 (depends on 1, 2)

The structure of claim 1 or 2 wherein the porous structure is formed of an open pore structure.

### Claim 6

A process for forming a barrier construction on a structural surface comprising
(A) transporting barriers to a structural surface to be covered, each of said barriers comprising
(a) a porous substantially planar structure having a first and a second major surface and edges defining the dimensions of the structure, said structure having a thickness of from about 0.25 inch to about 10 inches;
(b) a non-porous adhesive sheet having a thickness of at least 0.01 inch, a first and a second major surface and edges defining the dimensions of said adhesive sheet, wherein two of said sheet edges extend beyond, are each substantially parallel to an edge of the porous sheet, respectively, and are in contact with each other at one corner section of said barrier, and wherein the first major surface of said adhesive sheet is in contact with and self adhered to the substantially entire first major surface of the porous structure, and
(c) a first protective coating which is coextensive and congruent with the extended portion of the first major surface of the adhesive sheet, said coating being removable from and substantially non-adherent to said adhesive sheet, and a second protective coating which is a film which is substantially non-adherent to said adhesive sheet, said film coating substantially the entire second major surface of the porous structure,
(B) positioning and applying the first barrier onto a structural surface to cause the adhesive sheet's second major surface to be contact with the structural surface;
(C) removing the first protective coating from the first extended portion of the first major surface of the adhesive sheet;
(D) positioning and applying the second barrier onto the structural surface adjacent to that of a previously applied barrier in a manner such that the porous board of the second barrier is adjacent to the porous board of the previously applied barrier and a portion of the adhesive sheet of the second barrier is superimposed on one extended portion of the adhesive sheet of the previously applied barrier; and
(E) repeating Steps (C) and (D) until the structural surface is covered.

### Claim 7 (depends on 6)

The process of claim 6 wherein each barrier has its porous structure and adhesive sheet substantially in the form of quadrilateral parallelograms, said second major surface of said porous structure is substantially planar, and said first major surface of said porous structure has edge areas which are coextensive with and extending from said remaining edges and said edge areas of the first major surface are in closer spacial relationship with the second major surface than the remaining portion of said first major surface of said porous structure.

### Claim 8 (depends on 7)

The process of claim 7 wherein each of the applied barriers has extended adhesive sheet edges of from 1 to 10 inches beyond the edges of the barrier's porous structure and the edge portions of its porous structure extend from 1 to 10 inches from said remaining edges.

### Claim 9 (depends on 6, 7)

The process of claim 6 or 7 wherein the porous structure is formed of a closed pore structure.

### Claim 10 (depends on 6, 7)

The process of claim 6 or 7 wherein the porous structure is formed of an open pore structure.

### Claim 11 (depends on 10)

The process of claim 10 wherein the second surface of the porous structure further has a fibrous cloth adherent thereto.