Do these work both ways? Ie to block audio from noisey neighboure

No, this certainly would not work. Its is almost pointless using this product, it is not proper dense sound proofing, its wafer thin.

Why are these advertised as triangle shaped optimal sound dampening yet the true product is flat squares? It's completely false advertising!

Well, mine came in a flat pack and they either need 2-3 days to expand, or it's quicker to dip them in water, wring them out gently then give them 10 minutes in a tumble dryer and bingo! you have triangles!

The pump for my fishtank is in a cupboard under the tank and this resonates. Will these panels cut down the noise?

The panels are vacuum packed so need to expand when opened. Does cut noise down but not that impressed to be honest. Best thing I could recommend is make a box with carpet underlay and use the panels as well therefore double insulation. Make cardboard box then u can add as much carpet underlay as possible bottom top and sides then add the acoustic panels

Can these be glued together to make a sound proof box for a small water pump

They are very soft and flexible so would not stand up by themselves. The instructions say they should be glued on, but I just used duct tape to keep them in place.

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Fstop Labs Acoustic Foam 12 Pack Set, 1" X 12" X 12" Sound Proofing Panels, Acoustic Foam Panels for Recording Studio Office Home

Fstop Labs Acoustic Foam 12 Pack Set, 1" X 12" X 12" Sound Proofing Panels, Acoustic Foam Panels for Recording Studio Office Home

Product ID: 541263283

Details

Material
Foam
Brand
Fstop Labs
Item thickness
25 Millimetres
Recommended uses for product
Voice Islah
Product dimensions
30.5L x 5.1W

⚡Quick expansion in 24-48 hrs

📏12 panels, 11.2 sq ft coverage

🔇1-inch thick sound absorption

Description

🔊 Silence never looked this sleek — upgrade your space, upgrade your focus!

TRUSTED US SUPPORT - Hassle-free refunds or replacements backed by dedicated US-based customer service.
ECO FRIENDLY SAFE - Made from non-toxic polyurethane foam, combining soundproofing power with environmental responsibility.
VERSATILE PLACEMENT - Easily cut and shape panels to fit studios, offices, or home theaters without losing performance.
PRECISION NOISE CONTROL - Engineered 1-inch foam breaks up sound waves for moderate noise reduction in any space.
RAPID SETUP INSTANT IMPACT - Vacuum-sealed panels expand to full size within 48 hours or faster with simple water activation.

Fstop Labs Acoustic Foam 12 Pack offers 1-inch thick, 11.2 sq ft of premium sound-absorbing panels designed to reduce noise and echo in studios, offices, and home theaters. These eco-friendly polyurethane foam panels come vacuum-compressed for space-saving shipping and quickly expand to full size within 24-48 hours. Easy to cut and install, they provide versatile sound control with reliable US-based customer support.

Specifications

ASIN	B08C7ZWR1M
Best Sellers Rank	3,268 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 96 in Acoustic Room Treatment
Brand	Fstop Labs
Coverage	11.2 square feet
Customer Reviews	3.8 out of 5 stars 1,166 Reviews
Item Dimensions L x W	30.5L x 5.1W centimetres
Item Thickness	25 Millimetres
Item Type Name	Acoustic foam
Item thickness	25 Millimetres
Manufacturer	Fstop Labs
Material	Foam
Model Number	panels
Number of Items	12
Part Number	panels
Product dimensions	30.5L x 5.1W centimetres
Recommended Uses For Product	Voice Islah
Recommended uses for product	Voice Islah

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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