Div 09 · Finishes
FIREBLOC Type X Gypsum Board
A
American Gypsum · FireBloc Type X, 5/8 in
A 5/8 in. Type X gypsum wallboard with a fiber-reinforced core manufactured to ASTM C1396 Section 5 for fire-resistance-rated assemblies.
✓ Verified 2026-08-28
Specs on this page were checked against American Gypsum product page on 2026-08-28.
Specifications
| Thickness | 5/8 in (15.9 mm) |
Certifications & Standards
ASTM C1396 Section 5
ASTM C840 application
ASTM E84
Attributes — product claims, not third-party certifications
Type XGlass-fiber reinforced core
Sustainability
No sustainability metrics on file for this product.