Name: Owens Corning R-21 Un-Faced Fiberglass Insulation Batts (All Sizes)
Brand: Roofing4US
SKU: 508244
Price: 552.0 AUD
Availability: InStock

Owens Corning R-21 Un-Faced Fiberglass Insulation Batts (All Sizes) by MyHackerTech

$650.00 $552.00

Tax included.

Quantity

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The Owens Corning R-21 Un-Faced Fiberglass Insulation Batts are flexible, easy-to-install insulation designed for roof/ceiling and interior/exterior wall applications. Perfect for DIYers and professionals alike, they work with wood or metal framing to boost comfort and energy efficiency without adding extra layers or fuss.

Key Features & Design

R-Value: R-21 for solid thermal performance in cavities.

Un-Faced design: versatile for various wall and ceiling applications; no vapor barrier to manage separately.

Sized for metal or wood framing: fits standard framing and can be stapled or friction-fit.

Easy to handle and install: lightweight batts that you can trim with a utility knife.

Dimensionally stable: will not decay or slump in the cavity over time.

Inorganic and non-corrosive: safe for steel, aluminum, and copper wiring and components.

Noise control: helps improve interior sound quality by reducing sound transmission.

Thermal performance meets specs: designed to meet common building thermal requirements for energy efficiency.

Sizes & Availability

5.5 in. x 15 in. x 93 in. — 77.5 sq ft/pack; 8 batts per bag

5.5 in. x 15 in. x 105 in. — 87.5 sq ft/pack; 8 batts per bag

5.5 in. x 15.25 in. x 93 in. — 68.94 sq ft/pack; 7 batts per bag

5.5 in. x 23 in. x 93 in. — 89.13 sq ft/pack; 6 batts per bag

5.5 in. x 23.25 in. x 93 in. — 90.09 sq ft/pack; 6 batts per bag

6 in. x 16 in. x 96 in. — 74.69 sq ft/pack; 7 batts per bag

6 in. x 24 in. x 96 in. — 112 sq ft/pack; 7 batts per bag

Choose the Owens Corning R-21 Un-Faced Batts for a reliable, straightforward insulation solution that blends energy efficiency with practical installation. It’s a trusted name in insulation that supports comfortable, quieter spaces without the guesswork.

Size Sq Ft/Pack Batts Per Bag IRN Application

5.5 in. x 15 in. x 93 in. 77.5 8 U89B Wood

5.5 in. x 15 in. x 105 in. 87.5 8 K27 Wood

5.5 in. x 15.25 in. x 93 in. 68.94 7 BU107
Wood

5.5 in. x 23 in. x 93 in. 89.13 6 U69A Wood

5.5 in. x 23.25 in. x 93 in. 90.09 6 BU112 Wood

6 in. x 16 in. x 96 in. 74.69 7 BU104 Metal

6 in. x 24 in. x 96 in. 112 7 BU110 Metal

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Size	Sq Ft/Pack	Batts Per Bag	IRN	Application
5.5 in. x 15 in. x 93 in.	77.5	8	U89B	Wood
5.5 in. x 15 in. x 105 in.	87.5	8	K27	Wood
5.5 in. x 15.25 in. x 93 in.	68.94	7	BU107	Wood
5.5 in. x 23 in. x 93 in.	89.13	6	U69A	Wood
5.5 in. x 23.25 in. x 93 in.	90.09	6	BU112	Wood
6 in. x 16 in. x 96 in.	74.69	7	BU104	Metal
6 in. x 24 in. x 96 in.	112	7	BU110	Metal

Owens Corning R-21 Un-Faced Fiberglass Insulation Batts (All Sizes)

Key Features & Design

Sizes & Availability

Hall of Fame. Every one of our customers is guaranteed a free shoutout on our Instagram (@myhackertech)★ ★ ★ ★ ★

S I Z I N G C H A R T

F A Q

BEST SELLING PRODUCTS

HACKER, GAMER, DEVELOPER, CRYPTO KING HOODIES

Hall of Fame. Every one of our customers is guaranteed a free shoutout on our Instagram (@myhackertech)

★ ★ ★ ★ ★