USG Levelrock® Brand 3500 Series Floor Underlayments

Superior performance for higher-traffic areas in both wood-frame and light-commercial construction.

USG Levelrock® Brand 3500 Series Floor Underlayments  have compressive strengths from 3500 to 4500 psi. For a premium fiber-reinforced underlayment, try USG Levelrock 3500 FR and 3500 Green FR Floor Underlayment.   

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

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(22)
Type Title Size
Data Submittal Sheet USG Levelrock® Brand 3500 FR & 3500 Green FR Floor Underlayment Submittal Sheet (English) - IG1877 248 kB view
Data Submittal Sheet USG Levelrock® Brand 3500 & Green Floor Underlayment Submittal Sheet (English) - IG1448 247 kB view
Data Submittal Sheet USG Levelrock® Brand 3500 Pre-Sanded Floor Underlayment Submittal Sheet (English) - IG1501 446 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 Pre-Sanded Floor Underlayment SDS (English) - 57000010008 129 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock™ Brand 3500 Floor Underlayment Pre-sanded SDS (English) - 57000010018 144 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock™ Brand 2500 & 3500 RH Floor Underlayments SDS (English) - 57000010004 122 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock® Brand 2500 & 3500 Floor Underlayment Pre-sanded SDS (English) - 57000010008 110 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock® Brand 2500 & 3500 Floor Underlayments SDS (English) - 57000010003 111 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock™ Brand 2500 & 3500 RH Floor Underlayments SDS (French) - 57000010004 170 kB view
Safety Data Sheets (SDS MSDS) USG Levelrock® Brand 2500 & 3500 Floor Underlayment Pre-sanded SDS (Spanish) - 57000010008 91 kB view
Technical Guide USG Rehabilitation Guidelines for Damaged Gypsum Underlayments Technical Guide (English) - CB822 4941 kB view
Warranty USG Levelrock® & USG Durock™ Brand 2-Year Warranty for USG Levelrock Applicators (English) – IG1727 193 kB view
Warranty USG-XL Brands STC Floor Systems 10-Year Limited Warranty (English) - CB707 292 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® USG Durock™ Gypsum Rocks Brochure – IG1852-A 579 kB view
Brochure USG Performance Flooring Portfolio Brochure (English) – IG2013 8480 kB view
Project Profile USG Levelrock™ Brand 3500 Floor Underlayment Project Profile - Encore 502 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

With compressive strengths from 3500 to 4500 psi, USG Levelrock® Brand 3500, USG Levelrock® Brand 3500 Green and USG Levelrock® Brand 3500 Pre-Sanded Floor Underlayments contribute exceptional sound resistance and may be used with a USG Levelrock® Brand sound mat or sound board for improved STC and IIC ratings. These underlayments:

  • Install over wood and concrete subfloors
  • Meet vinyl industry commercial specifications
  • Apply at just ¾-in. to 3-in. thicknesses
  • Are 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