Has anyone used this for audio purposes as far as vibration deadening? If so, how well does it work?

I am an audiophile. This tape would not likely do much dampening because it is fairly low density. You would get better results from something like "blu tack" or one of the products sold for car audio deadening like "Dynamat Xtreme Extreme BULK 24"x12" Sheet 2 FT²".

Can you apply caulk overtop of this? Will it hold with the weight or would the caulk seep through?

I have no idea. I tried to use it as weather stripping for my front door, I was very disappointed the sticky part wouldn't hold and it was too thin. I will not buy this item again.

Can this stop smoke from penetrating through the gaps in a single pane window?

If applied properly and you use the right size yes I think it would be able to take care of your problem although that is hard to picture by your description it does provide a good seal and the adhesion is very good I would look to the source of the smoke and eliminate that

Is the Black black or dark grey?

Not sure if you have a typo in your question or not. But the tape is not black or grey it is clear for the most part; maybe a cloudy clear. You will not see it if used to secure rug to carpet or rug to floor. If you isi g it between to clear pieces of something then you will see it because it is not meant for that even if it would work. Good tape it is strong and performs well. Hope this helps.

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Yotache Thin Weather Stripping Door Seal 1" x1/16, Close Cell Foam Tape with Adhesive for Doors Insulation, Total 33 Feet Long

Yotache Thin Weather Stripping Door Seal 1" x1/16, Close Cell Foam Tape with Adhesive for Doors Insulation, Total 33 Feet Long

Product ID: 155332685

Details

Brand
yotache
Material
High Density
Color
Black
Product Dimensions
396"L x 1"W
Item Thickness
0.06 Inches

📏33 feet long for full coverage

🌡️-50℃ to 150℃ temperature resistance

🛡️CR foam & Neoprene for ultimate durability

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VT6892

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚪 Seal the deal with style and efficiency!

ALL WEATHER PROTECTION - Withstands extreme temperatures from -50℃ to 150℃, providing reliable insulation rain or shine.
VERSATILE MULTI USE SEAL - Perfect for doors, windows, cars, electronics, and more—sealing out dust, noise, and moisture effortlessly.
CUSTOMIZABLE FLEXIBLE FIT - Easily cut and bend to any shape or size, adapting seamlessly to your unique sealing needs.
STRONG WATERPROOF ADHESIVE - Firmly sticks without peeling or degumming, guaranteeing a hassle-free, long-term installation.
ECO FRIENDLY ULTRA DURABLE - Made from premium CR foam and Neoprene, ensuring long-lasting, deformation-resistant sealing without toxic chemicals.

The Yotache Thin Weather Stripping Door Seal is a 33-foot long, 1-inch wide closed-cell foam tape made from high-density CR foam and Neoprene. It offers superior weatherproofing, heat insulation, soundproofing, and shock absorption with a strong waterproof adhesive backing. Designed for versatile use on doors, windows, vehicles, and electronics, it performs reliably across a wide temperature range from -50℃ to 150℃, making it an essential upgrade for any professional seeking efficient, eco-friendly insulation solutions.

Specifications

Brand	yotache
Material	High Density
Color	Black
Product Dimensions	396"L x 1"W
Item Thickness	0.06 Inches
Recommended Uses For Product	door and window insulation, furniture, electrical cabinets, cars, speakers, toys, handicrafts, sports equipment, electronic products, mobile phones, computers, household appliances, hardware tools, tourist products, stationery, glass products
UPC	653846952783
Manufacturer	YoTache
Unit Count	33.0 Feet
Item Weight	7.2 ounces
Size	1"x1/16"x33FT
Horsepower	1 Horsepower
Usage	Cabinets
Batteries Included?	No
Batteries Required?	No

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