Sign In
You're All Set
Welcome back! You are now signed in.
You have been logged out
You have been logged out due to inactivity
Forgot Password
Please enter the email address you used to create the account. We'll send you a link that lets you create a new password.
You're All Set
Please check your email. Click the link in the email to create a new password.
Reset Password
You're All Set
Success! Your password has been updated.
Change Password
You're All Set
Success! Your password has been updated.
Durock™ CST™ Moisture Vapor Reducer
Penetrating concrete moisture barrier utilizing reactive chemistry
Key Documents & Design Files
Overview
Overview
USG Durock™ CST™ Moisture Vapor Reducer is a single component moisture mitigation system that reacts with concrete to create a permanent moisture barrier 2-4 mm below the surface.
Main Features
USG Durock™ CST™ Moisture Vapor Reducer contains moisture-responsive particles that swell and contract to help regulate moisture vapor transmission rates at the surface of concrete.- Effective at managing MVER up to 10 lbs. (ASTM F1869) and RH up to 99% (ASTM F2170)
- Silicate-free penetrating concrete moisture barrier
- Moisture-responsive particles help create a permanent membrane 2-4 mm below the surface
- Maintains a consistent pH at the surface level
- Maintains surface profile for optimal bond of patching and leveling compounds and coatings
- Dries in as little as 1 hour
- Can be applied 24 hours after concrete is poured
Documents & Files
Data Sheets & Specifications
| Data/Submittal Sheet (English) | PDF 352.6 KB |
White Papers
| Sell Sheet (English) | PDF 341.0 KB |
Catalogs & Brochures
| Brochure (English) | |
| Brochure (Spanish) | PDF 1.6 MB |
SDS, Certifications & Reports
| SDS (English) | PDF 121.8 KB |
| SDS (Spanish) | PDF 123.5 KB |
Warranties
| Warranties (English) |
Ask a question
Our customer support team will get back to you as soon as possible.
Question Guidlines
- Questions should relate to this product specifically.
- For help with pricing, availability, or delivery, please call 800.874.4968 (Monday–Friday, 7am–6pm Central)
- All questions and answers follow USG’s Terms & Conditions.
- Your question and USG’s answer may be posted to this page in the future, but none of your personal info will be included.