We use cookies to provide a personalized site experience. By continuing to use and browse this site, you agree to our Privacy Policy.
loginSuccess
You have been logged out due to inactivity
Please enter the email address you used to create the account. We'll send you a link that lets you create a new password.
forgotPassSuccess
Oops!
It looks like you entered an employee email address, but this is the customer sign-in. Use the link below instead.
resetPassSuccess
changePassSuccess
Customer Service (Sales)
1-800-950-3839CCPA Inquiries
855-562-2420For virtually any construction type, USG engineered gypsum cement underlayments deliver strengths you never thought possible. Ensure long-lasting performance on your project with USG’s versatile flooring portfolio.
Approximate Compressive Strength (psi) | Product | Building Type | |||||
Single-Family | Multi-Family | Light-Commercial | Commercial/ Retail/ Office | Hotel/ Motel | Institutional | ||
2,000-3,000 | USG Levelrock® 2500 Series Floor Underlayment | ![]() | ![]() | ![]() | |||
3,000-4,000 | USG Levelrock® 3500 Series Floor Underlayment | ![]() | ![]() | ![]() | ![]() | ||
4,000-5,000 | USG Levelrock® 4500 Series Floor Underlayment | ![]() | ![]() | ![]() | ![]() | ||
3,500-5,000 | USG Levelrock® CSD® Early Exposure™ Series Floor Underlayment | ![]() | ![]() | ![]() |
Product | Subfloor Type | |||||||
Plywood and OSB | Structural Panels | Heavy Wood Plank | Corrugated Steel Deck | Concrete | Concrete Plank | Concrete Repair/ Leveling | Radiant Heat | |
USG Levelrock® 2500 Series Floor Underlayment | ![]() | ![]() | ![]() | |||||
USG Levelrock® 3500 Series Floor Underlayment | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |
USG Levelrock® 4500 Series Floor Underlayment | ![]() | ![]() | ![]() | ![]() | ![]() | |||
USG Levelrock® CSD® Early Exposure™ Series Floor Underlayment | ![]() | ![]() |
Need Help?
Product Categories
About USG
Where to Buy
©2025 USG Corporation. All rights reserved.