JOHNS MANVILLE Duct Wrap: 4.2 R-Value, Foil Scrim Kraft, Fiberglass, 48 in Wd, 25 ft Lg
The JOHNS MANVILLE Duct Wrap with a 4.2 R-Value is a fiberglass insulation product featuring a Foil Scrim Kraft jacket. It is supplied in 48-inch width by 25-foot length rolls with a 1 1/2-inch thickness, finished in…
SKU 3G-OTH-75408
Need installation or engineering help?
Ask a question
Product Description
The JOHNS MANVILLE Duct Wrap with a 4.2 R-Value is a fiberglass insulation product featuring a Foil Scrim Kraft jacket. It is supplied in 48-inch width by 25-foot length rolls with a 1 1/2-inch thickness, finished in silver. This duct wrap is identified by manufacturer part number 670378.
Frequently Asked Questions
What is JOHNS MANVILLE Duct Wrap 4.2 R-Value used for?
JOHNS MANVILLE Duct Wrap with a 4.2 R-Value is used to insulate HVAC ductwork in commercial and industrial buildings. It reduces heat loss or gain, controls condensation, and provides sound absorption. The Foil Scrim Kraft jacket acts as a vapor barrier and is suitable for indoor applications where thermal efficiency is required.
What are the specifications of JOHNS MANVILLE Duct Wrap 670378?
The JOHNS MANVILLE Duct Wrap 670378 has a 4.2 R-Value, is 48 inches wide, 25 feet long, and 1 1/2 inches thick. It is made of fiberglass with a Foil Scrim Kraft jacket in silver. This product is designed for insulating rectangular or round ducts and is supplied in roll form.
Where to buy JOHNS MANVILLE Duct Wrap 670378 worldwide?
You can source JOHNS MANVILLE Duct Wrap 670378 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this fiberglass duct wrap to procurement teams and plant engineers internationally.
How to install JOHNS MANVILLE Duct Wrap with Foil Scrim Kraft?
Install JOHNS MANVILLE Duct Wrap by wrapping it around clean ductwork with the Foil Scrim Kraft jacket facing outward. Overlap seams by at least 2 inches and secure with pressure-sensitive tape or mechanical fasteners. Ensure the vapor barrier is continuous to prevent moisture ingress. Follow standard HVAC insulation practices for best thermal performance.
Used in
Common applications for JOHNS MANVILLEJOHNS MANVILLE Products
3G Electric supplies JOHNS MANVILLE duct wrap. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
