Would these against wall behind a piano reduce volume of a piano?

I don't think so. I'm disappointed by them so far

Can we add these to windows to drown some of the noise outside?

They stick to any flat surface, so I am sure you could. They are easy to cut to fit perfectly in a space. I have then stuck to both walls and doors. I would think you would improve the sound absorption by applying them to windows, but they won't make any room soundproof. And it won't look pretty as you see the adhesive side of the tile.

Do these flex or are they rigid? I'm looking for something that can be on a curved wall.

Did you ever try this? I'm looking for something I can use on the curved back wall of a stationary travel trailer. TIA

Is this product removable from a hardwood door or painted wall after a few months? I can repaint a wall, but the doors are expensive.

I would totally expect the tiles to pull the finish off a door. The adhesive is pretty strong. We pulled some and they pulled paint off the wall and left some adhesive on the wall.

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Soundsbay 18-Pack Brick Acoustic Panels, Self-Adhesive, 12"X12"

Soundsbay 18-Pack Brick Acoustic Panels, Self-Adhesive, 12"X12"

Product ID: 570881581

Details

Brand
Soundsbay
Item Thickness
0.4 inches
Material
Polyester
Product Dimensions
12"L x 12"W
Recommended Uses For Product
Sound Sound

🎧150kg/m³ high-density polyester

🧱18-pack brick design

🛠️self-adhesive, tool-free install

¥32082

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧱 Elevate your sound, style, and space—because your vibe deserves clarity.

DAMAGE FREE REMOVAL - Heat-assisted peel-off keeps your walls pristine, so you can refresh your space without regrets.
CUSTOMIZABLE SOUNDSCAPES - Cut and arrange panels to craft your unique acoustic design that matches your aesthetic and needs.
EFFORTLESS SELF ADHESIVE SETUP - Stick and go—no tools needed, perfect for busy millennials upgrading home or office vibes.
PREMIUM HIGH DENSITY POLYESTER - 150kg/m³ material engineered to absorb echoes and refine sound clarity like a pro studio.
BRICK BY BRICK ACOUSTIC MASTERY - 18 stylish panels covering 17.4 sq ft for seamless sound control and sleek decor.

Soundsbay’s 18-pack brick acoustic panels combine high-density 150kg/m³ polyester fiber with a sleek brick design to cover 17.4 sq ft of wall space. These self-adhesive, 12"x12" panels reduce echo and improve sound clarity effortlessly, fitting perfectly in studios, offices, or home theaters. Durable, customizable, and easy to install or remove without wall damage, they’re the smart choice for professionals seeking premium acoustic treatment with a modern edge.

Specifications

ASIN	B0C84X1BPG
Best Sellers Rank	#1,530 in Musical Instruments ( See Top 100 in Musical Instruments ) #40 in Recording Studio Acoustical Treatments
Brand	Soundsbay
Brand Name	Soundsbay
Coverage	17.4 square feet
Customer Reviews	4.2 out of 5 stars 469 Reviews
Item Dimensions L x W	12"L x 12"W
Item Highlight	Covers 17.4 sq ft, 150kg/m³ High-Density Polyester, Soundproof Wall Panels for Recording Studio, Home Theater, Office Black
Item Thickness	0.4 inches
Item Weight	1.5 kg
Manufacturer	Soundsbay
Manufacturer Part Number	S-01
Material	Polyester
Material Type	Polyester
Model Number	Brick
Number of Items	18
Product Dimensions	12"L x 12"W
Recommended Uses For Product	Sound Insulation, Sound Absorption
Unit Count	18 Count

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