General Inquiries - FAQs

Product Information

1. Where can I purchase DuPont™ Tyvek® ?
>Find a Dealer

2. Which DuPont™ Tyvek® should I use for my installation?
>How to Install 

3. Is DuPont™ Tyvek® a vapor barrier? 
No, DuPont™ Tyvek® is not a vapor barrier. It is breathable, allowing moisture vapor to pass through it.

4. Is DuPont™ Tyvek®compatible for use with foam insulation products?
DuPont™ Tyvek® is acceptable for use with foam insulation products.  For specific inquiries, please Contact Us.

5. What is the UV exposure time for DuPont™ Tyvek®?
>How to Install

6. Where do I go for technical assistance?
For technical assistance please Contact Us.

7. Where can I find the DuPont™ Tyvek® MSDS sheet?
>Evaluation Reports & MSDS

8. If my question is not listed here, where can I find my answer?
If you do not see your question, please Contact Us.

Installation

1. How do I install DuPont™ Tyvek®?
>How to Install

2. Can you install DuPont™ Tyvek® with the lettering facing inwards or upside down?
DuPont™ Tyvek® HomeWrap®, DuPont™ Tyvek® StuccoWrap®, DuPont™ Tyvek® DrainWrap™ and DuPont™ Tyvek® CommercialWrap® are equally effective in both directions. However, DuPont™ Tyvek® StuccoWrap® and DuPont™ Tyvek® DrainWrap™ have a specially engineered surface that should be placed with the grooves in a vertical direction.

3. Do I tape the DuPont™ Tyvek® seems?
>How to Install

4. How do I flash around the windows?
>How to Install 

5. Can I add a second layer of DuPont™ Tyvek®?
>How to Install 

6. How much do I have to overlap DuPont™ Tyvek®?
>How to Install

7. What are the recommended sealants for use with DuPont™ Tyvek®?
DuPont recommends DuPont Residential Sealant for residential installations and DuPont Commercial sealant for commercial installations.  For specific inquireies, please Contact Us.

8. Do I need to remove DuPont™ Tyvek® before applying another layer?
If you feel your DuPont™ Tyvek® has been compromised and for specific inquiries, please Contact Us.

9. If my question is not listed here, how can I get an answer?
If you do not see your question, please Contact Us.