LEVELROCK® CSD® Early Exposure™ Floor Underlayments
LEVELROCK® CSD® Early Exposure™ and LEVELROCK® CSD® RH Early Exposure™ floor underlayment can be poured up to 60 days before permanent windows and doors are installed. Their self-sealing technology typically eliminates the need to seal the underlayment prior to floor-covering installation. LEVELROCK® CSD® Early Exposure™ Green floor underlayments contain recaptured gypsum and may assist in obtaining LEED® credits for your green building, while LEVELROCK CSD RH Early Exposure floor underlayment is ideal for use in electrical and hot water radiant heat floor installations. LEVELROCK CSD Early Exposure floor underlayments:
- Are up to 55% lighter than 3-in. of conventional concrete
- Have an average pour thickness of just 1-9/16-in. with standard 9/16-in. deck
- Allow for trade traffic the next day vs. 7-10 days for conventional poured concrete
- Provide compressive strength of 3500 – 5000 (LEVELROCK CSD Early Exposure and LEVELROCK CSD RH Early Exposure)
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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. |
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Stonebridge – Cleveland, Ohio
A total solution framing package using LEVELROCK® CSD floor underlayment and light-gauge steel proves durable and economical for a Cleveland condominium development. |
Additional Resources
- Contact us
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- Floor underlayment selector
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Please visit our LEVELROCK® Sales and Service partner, ALCORP at www.alcorpmarketing.com.

Quick Facts
- Building Environments: [Theatres, Convention/Meeting Rooms, Department Stores/Boutiques, Traditional Offices, Galleries/Exhibit Spaces, Grocery Stores, Cafeterias, Guest Rooms/Suites, Executive Areas/Conference Areas/Board Rooms, Laboratories/Operating Rooms/Imaging Rooms, Locker Rooms/Shower Areas/Pools, Multi-Family Residential/Condos, Classrooms, Dormitories, Media Centers/Music Rooms/Libraries, Open Plan Offices, Lobbies and Reception Areas, Mechanical Rooms, Kitchens/Food Prep Areas, Administrative Offices, Corridors/Hallways, Nurseries/Birthing Rooms, Stairways/Elevator Shafts, Patient Rooms, Health and Fitness, Single-Family Residential, Auditoriums/Gymnasiums, Restrooms/Utility Rooms/Loading Docks, Mall Interior Spaces, Bars/Restaurants/Dining Areas]
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Designed specifically for interior use in buildings with light-gauge steel frame construction and direct application to corrugated steel decks. 


