Div 09 · Finishes
Sheetrock Brand Mold Tough Gypsum Liner Panels
U
USG · Mold Tough Gypsum Liner (UL Type SLX)
A 1 in. thick, 24 in. wide gypsum liner panel used as the liner element of shaft wall and area separation wall systems.
✓ Verified 2026-08-28
Specs on this page were checked against USG product page on 2026-08-28.
Specifications
| Thickness | 1 in (25.4 mm) |
| Width | 24 in |
| Lengths | 8-14 ft |
Certifications & Standards
ASTM C1396
ASTM D3273 mold resistance test method
UL Fire Resistance Classification UL Type SLX
GREENGUARD Gold
Attributes — product claims, not third-party certifications
ShaftlinerMold resistantMoisture resistant
Sustainability
No sustainability metrics on file for this product.