SKU: 13668589371

Johns Manville R-30 Unfaced Fiberglass Batt Insulation, 16 in x 48 in, 58.66 sq ft

Sale price$69.30 Regular price$77.00
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Description

Johns Manville R-30 Unfaced Fiberglass Batt Insulation, 16 in x 48 in, 58.66 sq ftR 30 Unfaced Fiberglass Batt Insulation (16" x 48", 58. 66 sq ft) This R 30 unfaced fiberglass batt insulation is pre cut for 16 in on center wood framing to help improve energy efficiency and reduce noise. Designed for attic and ceiling applications, it presses in place between joists for a fast, straightforward install. Key Features: High R Value Performance: R 30 fiberglass batts help reduce heat transfer for improved energy efficiency. Easy Fit

R-30 Unfaced Fiberglass Batt Insulation (16" x 48", 58.66 sq ft)

This R-30 unfaced fiberglass batt insulation is pre-cut for 16-in on-center wood framing to help improve energy efficiency and reduce noise. Designed for attic and ceiling applications, it presses in place between joists for a fast, straightforward install.


Key Features:

  • High R-Value Performance: R-30 fiberglass batts help reduce heat transfer for improved energy efficiency.
  • Easy Fit for Standard Framing: Pre-cut 48-in batts sized for 16-in on-center wood-joist spacing.
  • Sound Control: Built-in sound barrier helps dampen noise between spaces.
  • Formaldehyde-Free & Indoor Air Quality Certified: GREENGUARD Gold certified and labeled formaldehyde-free.
  • Durable, Noncorrosive Material: Won’t rot or mildew and is noncorrosive to pipes, wiring, and metal components.

Specifications Table:

Specification Details
Maximum R-Value 30
Insulation Type Fiberglass
Faced/Unfaced Unfaced
Coverage Area (Sq. Feet) 58.66
Width (Inches) 16
Length (Inches) 48
Thickness (Inches) 10.25
Stud Spacing (Inches) 16
Framing Type Wood studs
Package Type Individual pack
Package Count 11
Total Package Quantity 11
Package Weight (lbs.) 22.76
Bag Dimensions (L x W x D) 16.5 x 20 x 50
R-Value per Inch 2.9268
Formaldehyde Free Yes
Sound Barrier Yes
Vapor Retardant No
ENERGY STAR Certified Yes
GREENGUARD Gold Certified Yes
CA Residents: Prop 65 Warning(s) No
For Use in Attics Yes
For Use in Ceilings Yes
For Use in Basements Yes
For Use in Floors Yes
For Use in Crawlspaces No
For Use in Walls No
For Use in Doors No
For Use in Duct No
For Use in Electrical No
For Use in Garage Doors No
For Use in Masonry No
For Use in Plumbing No
For Use in Vents No
For Use in Windows No
Fits 2 x 4 Walls No
Fits 2 x 6 Walls No
UNSPSC 11162400

Frequently Asked Questions (FAQ):

Q: Where can this insulation be used?
A: It’s intended for wood-framed applications such as attics, ceilings, basements, and floors (not for walls, crawlspaces, ducts, doors, or windows).


Q: Does it have a vapor retarder facing?
A: No—this is unfaced insulation and it does not include a vapor retardant.


Q: How do I install these batts?
A: They are designed to press-fit between 16-in on-center joists/studs; cut as needed around obstructions for a snug fit.


Q: How much area does one pack cover?
A: One pack covers 58.66 sq ft and includes 11 pieces.


Q: Is it formaldehyde-free and certified for indoor air quality?
A: Yes—listed as formaldehyde-free and GREENGUARD Gold certified.


Quiet warmth, beautifully effortless.

There’s a certain luxury in a home that feels serene—warm in winter, cool in summer, and hushed in all the right ways. These R-30 unfaced fiberglass batts slip neatly into standard framing, creating an invisible layer of comfort that elevates daily living. Use them to refine an attic or ceiling renovation so the rooms below feel more cocooned and calm. It’s the kind of behind-the-scenes upgrade that makes a space feel undeniably polished and indulgent.


Upgrade your attic comfort and quiet with R-30 unfaced fiberglass batts sized for quick, standard-fit installation.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 13668589371

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BlackHeartNY
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★★★★★ 5
No Scent and Gentle
Style: Tolerance Daily Foaming Facial Cleanser
I broke out in a case of Perioral Dermatitis recently and bought this product to help before I could see my doctor. Avene Tolerance facial cleanser has no scent and is very gentle on my skin. It didn’t burn when washing with this product, and even helped to slough off the dead skin around my lips. My face feels clean, not dry. I am still going to see my doc to get an RX for the inflammation, but I do believe this product helped to alleviate the dryness and tightness of my skin and lips. I’ve used other Avene products and I’m very happy with them. Even though these products are more expensive, to me they are well worth the money because they are much more gentle on the skin than any other products I’ve used. I will buy this product again just because of the fact that it’s so gentle. PS: at the time of purchase for this product, I also bought Avene’s Tolerance Control Skin Recovery Cream (you don’t need to use a lot of this one on your entire face), and Avene’s Cicalfate for lips. Between these 3 products, my lips and skin feel a lot better (however, I will still see my doctor because I have Crohn’s Disease and Perioral Dermatitis is considered an extra-intestinal side effect of Crohn’s).
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Reviewed in the United States on March 20, 2026
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Taylor Ashley
West Palm Beach, US
★★★★★ 5
Gentle everyday cleanser!
Style: Tolerance Daily Foaming Facial Cleanser
My go to nightly cleanser! Gentle yet effective. Removes makeup without leaving any residue behind. Also does not dry out my skin or cause breakouts! I would say it’s more of a cream cleanser though. It does not really foam up. It’s a decent size bottle for the price. The pump dispenser is an added plus!
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Reviewed in the United States on May 19, 2026
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Tee Hix
Louisville, US
★★★★★ 5
So gentle and moisturizing. Great for super sensitive skin.
Style: Tolerance Daily Foaming Facial Cleanser
This is so gentle and moisturizing. Does not irritate my skin in any way. My skin is super sensitive and I have atopic dermatitis, it has been the best cleanser I’ve used to date. I was using another one from this brand and it was fine but this is the one I will continually stick with from now on. Just hope they don’t change the formula.
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Reviewed in the United States on May 14, 2026
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Jaime B.
Boise, US
★★★★★ 4
Good for sensitive skin
Style: Tolerance Daily Foaming Facial Cleanser
This cleanser is really good for sensitive or compromised skin barrier.
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Reviewed in the United States on May 18, 2026
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Mrs. Lynda A. M. Brown
Whiting, US
★★★★★ 5
Wonderful face cleanser
Style: Tolerance Daily Foaming Facial Cleanser
The best product I have found for cleansing my make up off. I have rosacea and I find this to be so gentle on my face.
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