Wall insulation boards with non-halogenated fire retardant and insulated wall systems
US9523195B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2014 |
| Grant date | Dec 20, 2016 |
| Priority date | — |
| Expiry date | Jun 9, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2103/06
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
According to one embodiment, a halogen free wall system is described. The wall system includes wall studs that are coupled together to form a frame and polyisocyanurate insulation boards that are positioned on an exterior side of the frame to form an exterior wall. The polyisocyanurate foam boards include a polyisocyanurate core having a halogen free fire retardant. Wall boards are attached to an interior side of the frame to form an interior wall. The wall boards are free of a halogenated fire retardant. The wall studs, polyisocyanurate foam boards, and wall board define a plurality of wall cavities within which an insulation material is positioned. The insulation material is free of a halogenated fire retardant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.