
Insulation for Duct Wrap, R-4.2 Direct Wrap
Installation Instructions
Installation Instructions: (There are 2 options)
1. Spiral Wrap Directly Against Duct
- Make sure all metal joints, seams and penetrations are sealed.
- Spiral wrap InfraStop® around the duct, overlapping 2” as you proceed.
- If necessary, trim width of product to accommodate bends or diameter changes in the duct.
- Securely tape seams with a UL 181 Tape (goal is an air-tight, snug seam seal).
- Do not leave any exposed duct or space where air can enter between the duct and the InfraStop®.
2. Standard Wrap Directly Against Duct
- Make sure all metal joints, seams and penetrations are sealed.
- Verify circumference of the duct.
- Cut the InfraStop® product to this length plus 2”.
- Wrap the product around the duct and securely tape the linear and circumference seams (overlapping 1”- 2”) with a UL 181 Tape (goal is an air-tight, snug seam seal). Do not leave any exposed duct or space where air can enter between the duct and the InfraStop®.
Thermal Insulation
Insulation for Duct Wrap – No Spacer, R-4.2
Product Information
InfraStop® Insulation products are a group of technologically advanced materials. They are ideal for new construction or retrofit applications in commercial, industrial, metal and post/frame buildings, along with many other DIY applications. When you think of insulation, you should think of InfraStop®. Our products are recognized for their thermal performance, easy installation, versatility, price and environmental friendliness.
Benefits
- Easy to handle and install
- Convenient roll sizes
- Class A / Class 1 Fire Rating
- Inhibits dew point condensation
- Vapor retarder (0.02 perms)
- Does not compress, collapse or disintegrate
- Non-toxic / non-carcinogenic
Testing and Certification
InfraStop® products are thoroughly tested at either nationally approved independent laboratories or leading universities. Tests are performed to current American Society of Testing and Materials (ASTM) standards when a standard exists. For a copy of an actual test report, please e-mail us at customer.support@insulationstop.com.

