---
product_id: 178321428
title: "Johns Manville R-30 Unfaced 16 by 48 Fiberglass Batt Insulation Fits 2x10 Floor or Attic a Total of 8 Bags and Square Footage of 469.28 FT"
brand: "johns manville"
price: "¥155191"
currency: JPY
in_stock: false
category: "Industrial"
url: https://www.desertcart.jp/products/178321428-johns-manville-r-30-unfaced-16-by-48-fiberglass-batt
store_origin: JP
region: Japan
---

# Johns Manville R-30 Unfaced 16 by 48 Fiberglass Batt Insulation Fits 2x10 Floor or Attic a Total of 8 Bags and Square Footage of 469.28 FT

**Brand:** johns manville
**Price:** ¥155191
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Johns Manville R-30 Unfaced 16 by 48 Fiberglass Batt Insulation Fits 2x10 Floor or Attic a Total of 8 Bags and Square Footage of 469.28 FT by johns manville
- **How much does it cost?** ¥155191 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/178321428-johns-manville-r-30-unfaced-16-by-48-fiberglass-batt)

## Best For

- johns manville enthusiasts

## Why This Product

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

## Description

Johns Manville Insulation. With a R-Value of R-30 the insulation will fit into any 2x10 construction board. Unfaced insulation. No moisture barrier. This insulation is perfect for 4 foot floor or attic cavities. Two bundles of 4 for a total of 8 bags for at total of 469.28 square footage.

## Images

![Johns Manville R-30 Unfaced 16 by 48 Fiberglass Batt Insulation Fits 2x10 Floor or Attic a Total of 8 Bags and Square Footage of 469.28 FT - Image 1](https://images-na.ssl-images-amazon.com/images/I/61CbePqyl%2BL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/178321428-johns-manville-r-30-unfaced-16-by-48-fiberglass-batt](https://www.desertcart.jp/products/178321428-johns-manville-r-30-unfaced-16-by-48-fiberglass-batt)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-30*