USG Levelrock® Brand CSD® Early Exposure™ Series Floor Underlayments

Designed specifically for interior use in buildings with light-gauge steel frame construction and direct application to corrugated steel decks.

USG Levelrock® Brand CSD® Early Exposure™ Series Floor Underlayments may be applied at a much lower thickness than poured-in-place concrete, reducing dead load and allowing a greater number of floors for increased rentable/sellable square footage.

Customer Service Center
1-800-950-3839
7 a.m. - 6 p.m. CT, Mon - Fri

USG4YOU Tech Support
1-800-USG4YOU (1-800-874-4968)
7:30 a.m. - 4 p.m. CT, Mon - Fri

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(18)
Type Title Size
Data Submittal Sheet USG Levelrock® Brand SAM-CSD™ Sound Attenuation Mat Submittal Sheet (English) - IG1919 225 kB view
Data Submittal Sheet USG Levelrock® Brand CSD® Early Exposure™ FR Floor Underlayment Submittal Sheet (English) - IG1894 261 kB view
Data Submittal Sheet USG Levelrock® Brand CSD® Early Exposure™ Floor Underlayment Submittal Sheet (English) - IG1648 276 kB view
Installation Guide USG Levelrock® & USG Durock™ Brand Self-Leveling Gypsum Underlayments Finished Flooring Preparation & Installation Guidelines (English) - IG1457 730 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock® Brand CSD® Early Exposure Floor Underlayment SDS (English) - 57000010001 122 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock™ Brand SAM-CSD™ Sound Attenuation Mat SDS (English) - 57000050005 37 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock® Brand CSD® Early Exposure Floor Underlayment SDS (Français) - 57000010001 169 kB view
Technical Guide USG Rehabilitation Guidelines for Damaged Gypsum Underlayments Technical Guide (English) - CB822 2690 kB view
Technical Guide USG Levelrock® Brand CSD™ Floor Underlayment Primer Early Exposure Design Guidelines (English) - IG1741 152 kB view
Warranty USG Levelrock® & USG Durock™ Brand 2-Year Warranty for USG Levelrock Applicators (English) – IG1727 193 kB view
Brochure USG Levelrock® Brand Floor Underlayment Product List Brochure (English) - IG1770 286 kB view
Brochure USG Levelrock® USG Durock™ Stronger Than Concrete Myth Brochure (English) - IG1771 737 kB view
Brochure USG Levelrock® Brand CSD™ Early Exposure Floor Underlayment Brochure (English) - IG1730 478 kB view
Brochure USG Levelrock® USG Durock™ Gypsum Rocks Brochure – IG1852-A 579 kB view
Brochure USG Performance Flooring Portfolio Brochure (English) – IG2013 2874 kB view
White Paper USG Gypsum Misconceptions White Paper (English) - IG1847 243 kB view
Comparison Guide USG Levelrock® Brand & USG Durock™ Brand Fire & Sound Rating Guide (English) - IG1685 565 kB view
Other Documents USG Levelrock® & USG Durock™ Brand Gypsum Underlayments Drying Conditions Guidelines (English) – IG5027 407 kB view

features and benefits

USG Levelrock® Brand CSD® Early Exposure™ Series Floor Underlayments can be poured up to 60 days before permanent windows and doors are installed. The self-sealing technology typically eliminates the need to seal the underlayment prior to floor-covering installation. USG Levelrock® Brand CSD® Early Exposure™ Series Floor Underlayment:

  • Is up to 55% lighter than 3-in. of conventional concrete
  • Has an average pour thickness of just 1-9/16-in. with standard 9/16-in. deck
  • Allows for trade traffic the next day vs. 7-10 days for conventional poured concrete
  • Provides compressive strength of 3500 to 5000  
  • Is engineered and manufactured by USG.

Customer Service Center
1-800-950-3839
7 a.m. - 6 p.m. CT, Mon - Fri

USG4YOU Tech Support
1-800-USG4YOU (1-800-874-4968)
7:30 a.m. - 4 p.m. CT, Mon - Fri

Email USG Technical Support

Design & Specification
Assistance
Find your local architectural representative