SEARCH RESULTS
| Term | Description |
|---|---|
| Thermal barrier | In torched membrane applications over combustible substrates, an above-deck barrier incorporated into a roof system before torching as a fire-safety practice. Acceptable thermal barriers include: minimum 3/4-inch-thick perlite board insulation, minimum 3/4-inch-thick fiberglass or mineral wool board insulation or minimum 1/4-inch-thick glass-faced gypsum board. |