SKU: 66207990211

Knauf Insulation R-4.3 Acoustical White Faced Insulation Board, 1 in. x 24 in. x 48 in., 12-Pack

Sale price$93.15 Regular price$103.50
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Description

Knauf Insulation R-4.3 Acoustical White Faced Insulation Board, 1 in. x 24 in. x 48 in., 12-PackR 4. 3 Acoustical White Faced Fiberglass Board, 1" x 24" x 48" (12 Pack) High performance fiberglass acoustical board engineered for sound absorption and thermal control. The smooth, white faced surface offers clean aesthetics for acoustical panels and interior applications, while ECOSE Technology delivers low VOCs and formaldehyde free peace of mind. Key Features: Acoustic + Thermal Performance: R 4. 3 fiberglass board helps reduce noise and improve

R-4.3 Acoustical White-Faced Fiberglass Board, 1" x 24" x 48" (12-Pack)

High-performance fiberglass acoustical board engineered for sound absorption and thermal control. The smooth, white-faced surface offers clean aesthetics for acoustical panels and interior applications, while ECOSE Technology delivers low VOCs and formaldehyde-free peace of mind.


Key Features:

  • Acoustic + Thermal Performance: R-4.3 fiberglass board helps reduce noise and improve comfort in interior spaces.
  • Clean White Facing: Smooth, uniform surface ideal for fabric-wrapped or exposed acoustical panels.
  • Healthier Indoor Air: Made with ECOSE Technology; formaldehyde-free binder and low chemical emissions.
  • Versatile Application: Sized 1 in. x 24 in. x 48 in. for easy integration in wall/ceiling panels and baffles.
  • Contractor-Friendly Pack: 12 panels per pack for efficient coverage on projects.

Specifications Table:

Specification Details
Insulation type Fiberglass acoustical board with ECOSE Technology
Facing White-faced, smooth surface
R-value R-4.3 (1 inch)
Thickness 1 inch
Width 24 inches
Length 48 inches
Pack quantity 12 panels per pack
Certifications UL Validated Formaldehyde-Free; UL GREENGUARD; UL GREENGUARD Gold; EUCEB; Declare (per images)

Frequently Asked Questions (FAQ):

Q: What is the R-value of this board?
A: R-4.3 for the 1-inch thickness.


Q: What are the panel dimensions and quantity per pack?
A: Each panel is 1 in. x 24 in. x 48 in.; 12 panels per pack.


Q: Is the product formaldehyde-free?
A: Yes. The board uses ECOSE Technology and is UL validated as formaldehyde-free.


Q: Where is this board typically used?
A: Commonly used in acoustical wall and ceiling panels, baffles, and interior applications requiring sound absorption with a smooth finish.


Q: Does it carry indoor air quality certifications?
A: Yes. It has GREENGUARD and GREENGUARD Gold certifications for low chemical emissions.


A Quiet, Polished Canvas for Elevated Interiors

This acoustical board hushes a room while offering a refined, uniform surface that feels impeccably tailored. I love the smooth white face—it's the perfect substrate for fabric-wrapped panels or a minimalist reveal. Layer it behind textured textiles or wood slats to soften echoes and let materials sing. It’s an elegant essential for rooms that demand serenity and luxurious clarity.


Create quieter, cleaner-looking spaces—add this R-4.3 white-faced acoustical board to your project today.

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: 66207990211

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Tara Aldridge
West Palm Beach, US
★★★★★ 5
Saved me so much money
Im loving this mattress topper. It has added a noticeable layer of comfort to my firm mattress without making it feel too soft. The cushion is plush yet supportive and has made sleeping more comfortable overall. The bamboo feels soft and breathable. It fits on the mattress with the deep pockets and stays in place alk night. Setup was easy and it fluffed up after unpacking. If you have a firm mattress and want extra comfort without replacing it, this topper is a great option. Highly recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
S
Sophia S.
Massapequa, US
★★★★★ 5
Comfortable, cooling, and OEKO-TEX certified, it’s a great way to refresh any mattress.
This 3-inch mattress topper instantly upgraded my bed with a softer, cooler, and more supportive feel. The bamboo-viscose fabric is noticeably breathable, helping regulate heat throughout the night—great for hot sleepers. The 1200GSM down-alternative fill adds plush, cloud-like cushioning while still offering balanced support for the back and shoulders. It fits securely with the deep pockets and stays in place even when turning. After allowing it to fully expand, the topper fluffs up beautifully. Comfortable, cooling, and OEKO-TEX certified, it’s a great way to refresh any mattress.
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Reviewed in the United States on December 8, 2025
L
Leon
Charlottesville, US
★★★★★ 5
Great upgrade for a rental apartment mattress
The mattress in my rental place is firm to the point where it almost feels unfinished. Instead of replacing it, I decided to try adding this topper. It made an immediate difference in the way the bed feels when I sit or lie down. There’s a nice cushioned layer that softens that “flat” feeling but still holds its shape. Another thing I noticed is how breathable it is. I expected thick padding to feel warm, but the airflow here feels better than the original mattress surface. Even after moving around, it never felt heavy or stuffy.
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Reviewed in the United States on November 22, 2025
A
Alexa Young
Belleville, US
★★★★★ 5
Soft and Comfortable Topper
I got this bamboo mattress topper for a small single bed we keep in our guest room, but I ended up testing it out myself first. The material feels soft and breathable, which is nice because that room can get a little warm in the afternoons. It adds a good amount of cushioning without making the bed too soft. After a couple of nights, my back actually felt better compared to the old mattress alone. I also appreciate that it’s machine washable, because our guest room sometimes doubles as a nap spot for my son after swim class, and spills happen. It dried pretty quickly in the dryer and kept its shape. Overall, it made the bed feel much more comfortable and fresh.
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Reviewed in the United States on November 24, 2025
T
TED
Alexandria, US
★★★★★ 5
Added comfort for someone working night shifts
I work odd hours, so my sleep schedule is all over the place. My mattress has always felt a bit too stiff after long shifts, so I got this topper hoping it would help me relax faster. It really changed the overall feel of the bed. The padding has a cushioned lift that makes lying down feel smoother, especially around the shoulders and lower back. Instead of feeling like I’m dropping onto a firm surface, there’s a soft layer that evens out the pressure. What surprised me most is how light the surface feels. Even after staying in one position, it never gets stuffy or heavy. The airflow makes a difference when your body is trying to wind down after work. The fitted pocket also stays tight around the mattress, so nothing shifts when I move. I can stretch out without worrying about the topper sliding off.
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Reviewed in the United States on November 24, 2025

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