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
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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.
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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: 99186043829

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Grandpa B
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★★★★★ 4
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Reviewed in the United States on March 17, 2025
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Orwellflash
Dallas, US
★★★★★ 5
Essential for road tripping and camping in British Columbia.
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Just what we needed for a road trip with our truck camper to British Columbia and home by way of Jasper and Banff--the unexpected bonus was maps of that western part of Alberta that included the areas around Jasper and Banff. The provincial and regional parks are numerous; it is difficult to find hiking guidebooks for areas besides near Victoria. This Benchmark book has it all to help us find camping (even dispersed on public lands) and hiking and will help us narrow down any searches we might need to do on the web. This gets added to our growing collection of Benchmark and Delorme map books for the western US states.
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Reviewed in the United States on July 31, 2025
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cawicker
Louisville, US
★★★★★ 5
Another fine Benchmark Atlas.
Format: Spiral-bound
We travel a lot and own 6 benchmark atlases now. They're the finest on the market and include camping and fishing information and show the forest service and other backroads. What's special about the British Columbia atlas is that it is spiral bound. I just replaced my Oregon atlas after 20 years because the cover had ripped up and torn off and the pages were falling out. I hope they will all be spiral bound from now on.
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Reviewed in the United States on October 17, 2023
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Biogyro
Dallas, US
★★★★★ 5
When you need to see where you are
Format: Spiral-bound
I love these maps and own quite a few. Easy to use, big picture or more detailed sections. Very useful despite google maps.
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Reviewed in the United States on May 16, 2025
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TLS
Bozeman, US
★★★★★ 5
Another good Benchmark Atlas
Format: Spiral-bound
We camp frequently and own all of the Benchmark Atlases. Although, this is different due to Canadian laws, we are excited to try it out! Very detailed with information, such as small campgrounds and identifying land ownership (Forest services or BLM)
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Reviewed in the United States on April 26, 2024

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