Predecorated gypsum wallboard for impermeable wall
US4077168A · kind A · utility
13Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1977 |
| Grant date | Mar 7, 1978 |
| Priority date | — |
| Expiry date | Jan 27, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31703
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An exterior wall or a roof-ceiling structure having, on the interior side, a wallboard with a front face which forms the interior wall or ceiling surface and a back face, which is adhered to wall framing members. The back face has a paper-foil laminate which is adhered to the basic board back side, with the foil side of the laminate adhered directly to the basic board back side. The paper side of the laminate is adhered directly to the wall framing members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.