SKU: 99186043829

Knauf Insulation EcoBatt R-13 Unfaced Fiberglass Insulation Batt, 3-1/2 in x 15 in x 105 in, 131.25 sq ft

Sale price$70.37 Regular price$78.19
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Knauf Insulation EcoBatt R-13 Unfaced Fiberglass Insulation Batt, 3-1/2 in x 15 in x 105 in, 131.25 sq ftEcoBatt R 13 Unfaced Fiberglass Batt Insulation, 15 in x 105 in Knauf Insulation EcoBatt R 13 unfaced fiberglass batts deliver thermal and acoustic performance for walls, floors, and ceilings. Sized 3 1 2 in x 15 in x 105 in to fit 16 in o. c. framing, each bag covers 131. 25 sq ft and features lowdust, resilient fibers made with ECOSE technology. Key Features: Thermal Comfort: R 13 batts help improve energy efficiency in 2x4 walls and other cavities.

EcoBatt R-13 Unfaced Fiberglass Batt Insulation, 15 in x 105 in

Knauf Insulation EcoBatt R-13 unfaced fiberglass batts deliver thermal and acoustic performance for walls, floors, and ceilings. Sized 3-1/2 in x 15 in x 105 in to fit 16 in o.c. framing, each bag covers 131.25 sq ft and features low‑dust, resilient fibers made with ECOSE technology.


Key Features:

  • Thermal Comfort: R-13 batts help improve energy efficiency in 2x4 walls and other cavities.
  • Low Dust, Easy Install: Resilient fibers cut cleanly and recover to full thickness for a snug fit.
  • Acoustic Control: Reduces sound transmission in interior partitions and floor/ceiling assemblies.
  • Sustainable Binder: Made with plant‑based ECOSE technology; no added formaldehyde.
  • Sized for Speed: 15 in width and 105 in length streamline installation in standard stud bays.

Specifications Table:

Specification Details
Insulation type Fiberglass batt
Facing Unfaced
R-Value R-13
Width 15 in
Length 105 in
Thickness 3-1/2 in
Coverage area 131.25 sq ft
Series X17VAK
Use locations Attic, Basement, Ceiling, Crawlspace, Wall, Floor
Quantity in master bag 15
Item code R13UNF15105131

Frequently Asked Questions (FAQ):

Q: Is this insulation faced or unfaced?
A: Unfaced; vapor retarder is not included.


Q: What framing cavities does it fit?
A: Designed for 2x4 (3-1/2 in) cavities and 15 in wide stud bays (16 in on center).


Q: How much area does one package cover?
A: 131.25 square feet per bag.


Q: Where can it be used?
A: Suitable for walls, floors, ceilings, attics, basements, and crawlspaces as appropriate for R-13 applications.


Q: Does it contain formaldehyde?
A: Manufactured with ECOSE technology, a plant‑based binder with no added formaldehyde.


Quiet, Cozy, Effortless Performance

EcoBatt R-13 slips into a space like a tailored layer, softening the echo and sealing in comfort. Its unfaced profile and resilient fibers create a clean, seamless look behind the walls. Pair it with crisp gypsum board and streamlined trim for a refined envelope that feels both quiet and composed. It’s a discreet luxury—performance you feel every day without ever seeing it.


Upgrade your walls with EcoBatt R-13 today for quieter rooms and year‑round comfort in one easy install.

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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99186043829

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 2444 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
T
Verified Purchase
Tiffany
Dallas, US
★★★★★ 5
Must have for rosacea sensitive skin!
Style: Tolerance Control Soothing Skin Recovery Cream
I have fair, sensitive skin & since being in peri-menopause I suddenly have rosacea. This cream is SO gentle on the skin but so instantly calming. It hydrates so well & a little goes a long way. I will be buying this over & over from now on!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
A
Verified Purchase
Amazon Customer
Omaha, US
★★★★★ 5
Great for Sensitive Skin
Style: Tolerance Control Soothing Skin Recovery Cream
I have very sensitive skin and have tried everything to try and prevent rosacea flairs. I recently came across this brand and I absolutely love this recover cream. I consider this now the holy Grail for Rosacea and sensitive skin. It makes my skin feel hydrated and non-reactive. It is soothing and I just cannot get enough of it. It is pricy but it is worth it to not have my face constantly feeling like its burning or irritated.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
K
Verified Purchase
Kindle Customer
Boise, US
★★★★★ 5
Wonderful recovery Cream
Style: Tolerance Control Soothing Skin Recovery Cream
The cream is very soothing on the skin, it is all that it claims to do. After a couple of uses, my skin cleared up of all the dryness and redness. It is gentle and effective on the skin. Its very good value for money. For anyone with sensitive skin its very beneficial. I will recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
K
Verified Purchase
Kindle Customer
Port Orchard, US
★★★★★ 4
Great product for sensitive skin
Style: Tolerance Control Soothing Skin Recovery Cream
I have sensitive skin that is constantly getting irritated by moisturizers/seemingly simple skin care products. I read a few blogs/articles/reviews on different products others have tried for similar issues and this one came up, so I decided to give it a try. It’s nice and light and goes on smoothly. Skin feels moisturized and does not get irritated, so that’s a win! The only reason I took off 1 star is it leaves my skin a bit oily for my liking, but that could just be my skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2026
A
Verified Purchase
Amberkd
Fort Morgan, US
★★★★★ 5
perfect for sensitive skin
Style: Tolerance Control Soothing Skin Recovery Cream
This provided perfect therapy for sensitive skin. IT WORKS!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026

recommand products