LEVELROCK® 2500 Floor Underlayments
LEVELROCK® 2500, LEVELROCK® 2500 green and LEVELROCK® 2500 pre-sanded floor underlayments help maximize sound isolation between floors/units and may be used with a LEVELROCK sound mat or sound board for improved STC and IIC ratings. Engineered and manufactured by USG, these underlayments can be:
- Poured before drywall is installed to help control mold and moisture
- Installed at rates of up to 30,000 sq. ft. per day
- Applied at just ¾ in. thickness
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Wilderness at the Smokies – Sevierville, Tennessee
LEVELROCK® 2500 and LEVELROCK® CSD® EARLY EXPOSURE™ floor underlayments are key components in keeping this large Smoky Mountains entertainment complex on track. |
Additional Resources
- Contact us
- Find an applicator
- Sustainability table
- Applications
- Floor underlayment selector
- LEVELROCK Product List
For more information, visit the LEVELROCK/ALCORP Network at alcorpmarketing.com.


Revised & expanded 2011 guidelines
Quick Facts
- Building Environments:
- Single-Family Residential,
- Multi-Family Residential/Condos,
- Guest Rooms/Suites,
- Dormitories,
- Corridors/Hallways

Gypsum Construction Handbook
Online Tools
Global Websites
Distribution Centers
Offers the highest compressive strengths in its class (2000 – 3200 psi), providing low-thickness applications over plywood subflooring in single-family, multi-family and hotel/motel construction. 

