ToughRock® Sound Deadening Board
ToughRock® sound deadening board provides a base layer of sound transmission control in interior gypsum board assemblies, load-bearing wood stud partitions, and non-load bearing steel stud partitions.
It has a noncombustible (as described and tested in accordance with ASTM E 136), dimensionally stable gypsum core, and can be used in assemblies along with ToughRock® Fireguard® and ToughRock Fireguard C® gypsum boards, hence meeting requirements for both sound and fire resistance. Designed for direct attachment (screws, nails, or adhesive) to wood and metal framing or existing surfaces, the ends of the drywall are square-cut and the surfaces of both faces and on the long edges are made of 100% recycled paper.
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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.
