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Description

Gold Bond® BRAND SoundBreak® XP® Gypsum Board with Sporgard™ has an acoustically enhanced, high density gypsum core encased in a heavy, abrasion and mold/mildew/moisture resistant, 100% recycled, purple paper on both sides. Used in the construction of high rated STC wall assemblies, this 5/8" thick gypsum board consists of a layer of viscoelastic damping polymer sandwiched between two pieces of high density mold resistant gypsum board, providing constrained layer damping.

For speed of installation, GridMarX® guide marks are printed on the paper surface.

Long edges of the panels are tapered. Tapered edges allow joints to be reinforced with ProForm® BRAND Joint Tape and concealed with ProForm BRAND Ready Mix, Easy Finish® BRAND Ready Mix or ProForm® BRAND Sta-Smooth Setting Compounds.

For optimum mold and mildew performance, National Gypsum recommends ProForm® BRAND XP Ready Mix.

Features & Benefits

• Resists the growth of mold per ASTM G 21 with a score of 0, the best possible score.
• Resists the growth of mold per ASTM D 3273 with a score of 10, the best possible score.
• Use of SoundBreak XP Gypsum Board results in wall partitions with high rated STC values that are thinner than traditionally built high rated STC wall partitions, providing increased usable floor space.
• Superior sound damping, cost-efficient material that is easily finished and decorated in the same manner as standard gypsum board.
• All SoundBreak XP Gypsum Board designs were tested by an independent third-party acoustical laboratory using the full scale ASTM E90 test procedure.
• SoundBreak XP Gypsum Board is installed like traditional gypsum board, offering a more reliable and less complicated solution than alternative methods requiring clips and/or channels.
• SoundBreak XP Gypsum Board can be cut by scoring deeply from both sides of the board before snapping, or with the use of a hand or power saw.
• UL Classified and approved for inclusion in specific UL fire-rated designs.

Fire Resistance Ratings

Fire Resistance ratings represent the results of tests on assemblies made up of specific materials in a specific configuration. When selecting construction designs to meet certain fire resistance requirements, caution must be used to ensure that each component of the assembly is the one specified in the test. Further precautions should be taken that assembly procedures are in accordance with those of the tested assembly. For coies of specific tests, call 1-800-NATIONAL. For fire safety information, click here.

SoundBreak XP with Sporgard

National Gypsum is the first building products company to offer Sporgard™, a combination of mold inhibitors offering the most advanced technology. Sporgard comes from Syngenta, a world leader in mold control.

Sporgard technology offers the best possible defense against mold. The multiple mold inhibitors in Sporgard are each individually approved to meet the Environmental Protection Agency's most stringent standards for use in post harvest food applications.

SoundBreak XP with Sporgard has received the highest possible ratings on the most rigorous tests for mold control, including both ASTM G 21 and ASTM D 3273. In addition, SoundBreak XP with Sporgard installs and finishes just like standard gypsum board and is backed by the industry's most trusted customer service program and is manufactured at plants across the country.


*Sporgard is a trademark of a Syngenta Group Company.

GREENGUARD Certified

SoundBreak XP Gypsum Board with Sporgard is GREENGUARD Children & Schools Certified® for indoor air quality.

The GREENGUARD Children & Schools Certified® Mark is a registered certification mark used under license through the GREENGUARD Environmental Institute.



The GREENGUARD Certification Program^SM is an industry independent, third-party program that has been certifying products for low non-toxic emissions since 2001. To achieve GREENGUARD Indoor Air Quality Certified status, National Gypsum's prodcuts passed rigorous sample testing and review of the manufacturing processes to meet strict standards set by the GREENGUARD Environmental Institute (GEI) — a globally recognized leader in indoor air quality — to determine their impact on indoor air pollution. To achieve GREENGUARD Children & Schools Certification, SoundBreak XP Gypsum Board met even more stringent emissions limits that take into account the added sensitivity of children and adults with compromised immune systems.