Specification

Mold Tough
™
Regular and Firecode
®
Cores
Quality interior wall and ceiling panels with moisture and mold resistance
– Score and snap easily; no special handling required
– UL Classified as to fire resistance, surface-burning characteristics and noncombustibility
– Install and finish as easily as standard drywall
Description Sheetrock
®
brand Mold tough
™
gypsum panels have a noncombustible, moisture- and mold-resistant gypsum
core that is encased in moisture- and mold-resistant, 100 percent recycled green face and brown back papers.
The panels feature tapered long edges for easy finishing. The 5/8" Firecode
®
Core and 1/2" Firecode C Core
panels are UL Classified for fire resistance (Type X).
Regular Core 1/2" Panels Recommended for single-layer application in residential construction
Firecode Core 5/8" Type X Gypsum Panels Provide additional fire resistance over regular panels.
Firecode C Core 1/2" and 5/8" Type C Gypsum Panels Specialy formulated mineral core provides fire resistance
superior to that offered by Firecode Core gypsum panels.
Limitations 1. Avoid exposure to sustained temperatures exceeding 125 °F (52 °C).
2. Avoid exposure to excessive, repetitive or continuous moisture before, during and after installation. Eliminate
sources of moisture immediately.
3. Not suitable for use as a substrate for tile in wet areas such as tubs and showers, gang showers and other
areas subject to direct water exposure.
Finishing and For high-quality finishing results, USG recommends the following products:
Decorating – Sheetrock
®
ready-mixed joint compounds
– Sheetrock
®
setting-type joint compounds
– Sheetrock
®
joint tape
– Sheetrock
®
First Coat primer
– Sheetrock
®
paper faced metal bead and trim
– Sheetrock
®
tuFF-hide
™
primer-surfacer
Painting products and systems should be used which comply with recommendations and requirements in
Appendixes of ASTM C840. For priming and decorating with paint, texture or wall covering, follow manufacturer’s
directions for materials used.
All surfaces, including applied joint compound, must be thoroughly dry, dust-free, and not glossy. Prime
with Sheetrock First Coat primer or with an undiluted, interior latex flat paint with high-solids content. Allow
to dry before decorating.
To improve fastener concealment, where gypsum panel walls and ceilings will be subjected to severe artificial
or natural side lighting and be decorated with a gloss paint (egg shell, semi-gloss or gloss), the gypsum panel
surface should be skim-coated with joint compound. This equalizes suction and texture differences between the
drywall face paper and the finished joint compound before painting. As an alternative to skim coating, or when a
Level 5 finish is required, use Tuff Hide
™
primer-surfacer.
Product Data Size: Panels are 1/2" (12.7 mm) or 5/8" (15.9 mm) thick x 4' (1218 mm) wide and available in 8'–12'
(2438–4267 mm) lengths.
Weight: Regular: 1/2" (12.7 mm) – 1.6 lbs/sf; Firecode C Core: 1/2" (12.7 mm) – 1.9 lbs/sf;
5/8" (15.9 mm) – 2.2 lbs/sf (11.7 kg/sm)
Labeling: Each 5/8" Firecode Core, 1/2" Firecode C Core and 5/8" Firecode C Core panel bears the Underwriters
Laboratories, Inc. label mark as evidence of UL Classifications for fire resistance, surface-burning characteristics
and noncombustibility.
Submittal Sheet
09250
Sheetrock
®
Gypsum Panels