---
product_id: 17828097
title: "Duct Insulation, 1-1/2In x 48In x 25Ft"
brand: "johns manville intl"
price: "€ 176.47"
currency: EUR
in_stock: true
url: https://www.desertcart.de/products/17828097-duct-insulation-1-1-2in-x-48in-x-25ft
store_origin: DE
region: Germany
---

# Thickness: 1.5 inches Coverage: 100 sq ft Temp Range: -32 to 250°F Duct Insulation, 1-1/2In x 48In x 25Ft

**Brand:** johns manville intl
**Price:** € 176.47
**Availability:** ✅ In Stock

## Summary

> 🔥 Insulate Your Space, Elevate Your Comfort! 🔥

## Quick Answers

- **What is this?** Duct Insulation, 1-1/2In x 48In x 25Ft by johns manville intl
- **How much does it cost?** € 176.47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/17828097-duct-insulation-1-1-2in-x-48in-x-25ft)

## Best For

- johns manville intl enthusiasts

## Why This Product

- Trusted johns manville intl brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek Aesthetic:** Silver foil jacket adds a modern touch to your insulation.
- • **Easy Installation:** Lightweight design makes it a breeze to handle and install.
- • **Durable & Compliant:** Meets rigorous ASTM and UL standards for peace of mind.
- • **Versatile Application:** Perfect for residential and commercial duct systems.
- • **Maximize Energy Efficiency:** Keep your spaces comfortable while saving on energy bills!

## Overview

This Duct Insulation measures 1-1/2 inches thick and covers 100 square feet, designed with a durable silver foil scrim kraft jacket. It meets multiple ASTM and UL standards, ensuring high performance in temperature ranges from -32°F to 250°F. Perfect for both residential and commercial applications, this insulation is lightweight and easy to install, making it a smart choice for energy efficiency.

## Description

Duct Insulation, 1-1/2In x 48In x 25Ft

## Features

- Price For: Each Material of Construction: Fiberglass Standards: ASTM C-411, ASTM C-1104, ASTM C665, ASTM C-1338, ASTM E-84, UL723, NFPA 90A, CAN/ULC S102-1188, ASTM C1290, ASTM C553, ASTM C1136s Item: Duct Insulation Thickness: 1-1/2" Color: Silver Jacket Material: Foil Scrim Kraft Type: Wrap Width: 48" Temp. Range: -32 to 250 F Density: 3/4 lbs. Approx. R Value: 4.2
- Length: 25' Country of Origin (subject to change): United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | JOHNS MANVILLE |
| UPC | 696333272926 696334303353 |
| Item Weight | 0.01 ounces |
| Product Dimensions | 16 x 15.2 x 48.7 inches |
| Is Discontinued By Manufacturer | No |
| Material Type | Fiberglass |
| Manufacturer Part Number | 670378 |

## Product Details

- **Material:** Fiberglass
- **Brand:** JOHNS MANVILLE INTL
- **Item Thickness:** 1.5 Inches
- **Recommended Uses For Product:** Thermal Insulation
- **Product Dimensions:** 300"L x 48"W

## Images

![Duct Insulation, 1-1/2In x 48In x 25Ft - Image 1](https://m.media-amazon.com/images/I/71x229A574L.jpg)

## Questions & Answers

**Q: Can you provide a link with intallation instructions?**
A: Here are some instructions on this link....http://www.youtube.com/watch?v=nZv8nOIsNAs

**Q: Does the shiny side go next to the duct or should it be facing out?  Want to use it in crawl space to reduce condensation in vey humid North Carolina**
A: Yes, Shiny side out the side of the duct. It is called a heat shield to help the insulation preform better against condensation heat / Cooling losses.Any other questions feel free to check out Tinsmithmechanical.com

**Q: Can this be used on metal ductwork in the attic for AC in Florida?**
A: For attic ductwork in Florida I would recommend next grade up--2 inch thick.

**Q: When will you get more in?  it says there's only qty=1 in stock.    i need 4 rolls.**
A: Good day.
We have 5 items now.

## Frequently Bought Together

- Duct Insulation, 1-1/2In x 48In x 25Ft
- TapePlus 2 Pack Professional Grade Aluminum Foil Tape - 2 Inch by 210 Feet (70 Yards) - Perfect for HVAC, Sealing & Patching Hot & Cold Air Ducts, Metal Repair, and Much More
- Aluminum Foil Tape, 2 inch x 65 Feet (3.9 mil), Insulation Adhesive Metal High Temperature Heavy Duty HVAC Tape, Silver for Ductwork, Dryer Vent, HVAC

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.de/products/17828097-duct-insulation-1-1-2in-x-48in-x-25ft](https://www.desertcart.de/products/17828097-duct-insulation-1-1-2in-x-48in-x-25ft)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-02-03*