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| Brand Name: | SUNHOUSE |
| MOQ: | 500 pcs |
| Supply Ability: | 3000000 Meter/Meters per Month |
Fire rated gypsum board Type X is a gypsum panel formulated with glass fibres and other additives so that it performs substantially better than standard board when exposed to fire. It is the base component of rated partitions, ceilings and shaft walls.
Type X is a defined designation, not a marketing term. Under ASTM C1396, a Type X gypsum board must achieve a fire resistance rating of not less than one hour when tested in a specified assembly to ASTM E119. Under EN 520, the comparable designation is Type F, typically used in systems classified to EN 13501-1. GB/T 9775 defines the equivalent grades for the Chinese market.
The rating belongs to the assembly, not the panel. Board, studs, insulation, fastening pattern and joint treatment all contribute. Any supplier claiming a bare panel is "2-hour fire rated" is misstating the standard.
| Thickness | Common Use | Rating Potential |
|---|---|---|
| 12.5 mm | Partitions, ceilings | 30–60 min in tested assemblies |
| 15.9 mm (5/8") | Standard Type X panel | 1 hour typical |
| 15.9 mm doubled | High-rise shafts, stairwells | Up to 2 hours in tested designs |
| 19 / 25 mm | Shaftwall, industrial | 2 hours and above |
We have supplied fire rated board into high-rise cores, hospitals, data centres and industrial plants, and the same question comes up from buyers every time: is Type X the same from every mill? It is not. Fibre content, core density and paper adhesion vary, and those variables determine whether a wall passes inspection. Common defects we record are joints aligned across layers, under-specified fasteners and unsealed perimeter gaps — installation issues, not board issues, but they void the rating just the same.
Panels are produced to ASTM C1396 Type X, EN 520 Type F or GB/T 9775, from factories operating under ISO 9001. Fire test reports from accredited laboratories are available for the assemblies we support, together with material data sheets and installation manuals. Where a proprietary tested design applies, its instructions govern — and if our panel is not listed in the assembly your project requires, we say so before the order rather than after delivery.
No building material is fireproof. Type X board delays fire spread and structural failure for a defined period, measured in a tested assembly.
Yes. Boards combining a moisture resistant core with a fire rated core are available.
Not automatically. The rating depends on the complete assembly tested to ASTM E119.
Only if that panel is listed in the same tested assembly. Otherwise the rating is void.
Send your wall types and required fire ratings; we will recommend the panel and assembly configuration with supporting test documentation.
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