ToughRock® Fireguard® Soffit Board
ToughRock® Fireguard® soffit board is designed to be used as exterior ceilings (called soffits) that are protected from direct exposure to water. Suitable for multi-family residential, commercial, institutional, and industrial buildings, ToughRock Fireguard soffit board has a treated paper face bonded to a specially formulated core. It resists sag and moisture in protected exterior ceiling constructions such as carports, garages, open porches, canopies, and walkways. The board is a UL classified, Type X gypsum board and can be used in a variety of fire-rated wood and steel framed assemblies.
ToughRock Fireguard soffit board consists of a noncombustible (as described and tested in accordance with ASTM E 136), dimensionally stable gypsum core, surfaced on both its faces and long edges with tan-colored, 100% recycled paper. Its ends are square-cut and smooth-finished with no paper facing, making it both durable and easily customizable.
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Q:
What should we do if the gypsum board gets wet?
A:
According to the Gypsum Association publication GA-231, gypsum board should not
be allowed to get wet; it should be covered if stored outside. However, there are
situations where the board could get wet in transportation/storage or installed
in-place. If the board gets wet in an installed in-place situation, first remove
the sources of moisture. Lay the board on a flat surface and allow it to dry out
thoroughly. Once the board is dry, examine it for paper-to-core bond failure, mold
and mildew growth, nail pops and sag (in the case of ceilings). Paper-to-core bond
failure and board sag are irreversible damages and the board should be replaced.
Mold can be cleaned using vinegar and water solution or alternates (use care when
using bleach or chlorine solutions). For nail pops, place a fastener an inch above
or below any popped-up nail.
Q:
Should gypsum board be installed vertically or horizontally?
A:
While gypsum boards are stronger in one direction, they may be installed either
vertically or horizontally on wood or steel studs. If the boards are to be used
in a fire rated assembly then use the board orientation that is stated in your specific
rated assembly.
Q:
How often is a control joint required?
A:
The requirement for ceilings and walls is the same. A control joint should be installed
every 30 feet when there is not perimeter relief. When there is perimeter relief,
control joints can be installed every 50 feet.
