WebThese ratings are for wall finishes which are to be installed over a substrate, such as gypsum board, not to be used in lieu of gypsum board. It is also recommended that Class A finishes be used in areas that will be used as a means of exit in case of a fire. In all cases, local codes should apply FLAME SPREAD AND SMOKE DEVELOPMENT RATINGS … Web1/2" (12.7 mm) – 1.9 lb/ft² (9.3 kg/m²) 5/8" (15.9 mm) – 2.3 lb/ft² (11.2 kg/m²) Edges Tapered Packaging Two pieces per bundle, face-to-face and end-taped PRODUCT DATA PRODUCT DESCRIPTION CertainTeed Type C Drywall Panel is an interior drywall panel consisting of an enhanced fire-resistant, non-combustible gypsum
Type X Fire Resistant Drywall - CertainTeed
WebFeb 19, 2024 · The ingitability of the materials spanned from 42 to 171 seconds, while the peak heat release averages ranged from a 2.5 to 4.8 W/cm (2) on an unpiloted 4 W/cm (2) exposure and 3.9 to 8.2 W/cm (2) on an unpiloted 6 W/cm (2) exposure. This flame spread index for the materials ranged from 8 to 38. Citation NIST Interagency/Internal Report … http://www.lasfm.org/doc_flamespread.html diagnosing migraine with aura
Fire and Safety Information - National Gypsum
WebSame as above for 1 / 2 ″ and 5 / 8 ″ gypsum board and gypsum panel products, respectively. Ceiling d: Perpendicular: 24: 12: 16: Wall: Either direction: 24: 16: 24: Two 3 / 8 layers: Ceiling: Perpendicular: 16: 16: 16: Base ply nailed as above for 1 / 2 ″ gypsum board and gypsum panel products; face ply installed with adhesive. Wall ... WebQuietRock® ES has no paper and no metal on the inside of the panel yet delivers acoustical ratings on single stud construction. ... 1 hour, Type X Flame Spread (per ASTM E 84): Class A Product Standards: ASTM C 1396 Installation Standards: ASTM C 840; GA-214, GA-216 UL Assembly: ... Gypsum Board in all fire assemblies. Refer to the specific UL WebType C drywall is the improved version of the x type. This fire-rated drywall type is available in 1/2” and 5/8” thicknesses and its gypsum core still consists of glass fibers. The difference with this type of drywall is that it contains more glass fibers than its x type counterpart and also additional vermiculite components. diagnosing ms with blood tests