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Owens Corning 23 in. W X 470 in. L X 6.25 in. 19 Unfaced Fiberglass Insulation Roll 75.07 sq ft

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Covers 75.07 sq ft per roll at R-19, so you can count exactly how many you need before checkout.
Owens Corning MPN OCRU41 In Stock & Ready to Ship
$109.99
Free shipping on orders over $149
Ships within 24 hours · most orders arrive in about 2 business days
Ships free on orders over $149 $14.99 flat shipping until your order reaches $149.

About Product Overview

This is Owens Corning fiberglass insulation in roll form, unfaced, at R-19 - a common choice for exterior wall cavities, floors over unheated spaces, or anywhere you're insulating between standard-depth framing and don't need a built-in vapor barrier. Because it's unfaced, it's suited to applications where a separate vapor retarder is installed elsewhere, or where local code and the specific assembly call for exposed batts.

Each roll covers 75.07 square feet, so you can figure out how many rolls a job needs before you're at the register. Made in the USA, and manufactured by Owens Corning, a name most contractors and DIYers already know from the pink insulation aisle.

  • R-Value: 19
  • Facing: Unfaced
  • Insulation type: Fiberglass
  • Coverage area: 75.07 sq ft per roll
  • Dimensions: 23" wide x 470" long x 6.25" thick
  • Country of origin: USA

The Details Specifications

Brand Owens Corning
Model / MPN OCRU41
UPC 047563706468
Weight 24 lbs
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

Go ahead. Check.

You're going to price-check us against Amazon, Home Depot, and Lowe's. Everybody does. Good — open all three tabs. We'll wait. Then look hard at what you're actually being handed over there.

On Amazon, start with these four questions before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Owens Corning. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

The big boxes don't care if your hardware store survives.

Amazon, Home Depot, and Lowe's are built to pull every hardware dollar out of your town. When the local shop can't keep the lights on, the counter where somebody actually knew which part you needed goes with it. We're built the other way: real brands so you're never stuck on a marketplace, and a straight answer to buy it down the street when that's the better call. Support independent hardware — it doesn't restock itself.

Why we tell you to shop local
Authorized dealer · Owens Corning

Or skip the tabs entirely and buy it down the street. Find a store near you →

Shop Local · Support Independent

Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

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