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, 33 Ft

Yotache Thin Weather Stripping Door Seal 1" x1/16, 33 Ft

Product ID: 155332685

Details

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

📏33 ft length & 1" width - versatile coverage

🌡️-50℃ to 150℃ temp range - extreme weather ready

🛡️CR & Neoprene foam - durable & eco-friendly

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Description

🚪 Seal the deal, block the chill — upgrade your space with invisible power!

ECO SMART SEAL - Crafted from premium, non-toxic CR and Neoprene foam for lasting durability and peace of mind.
MULTI USE MARVEL - Seals gaps on doors, windows, cars, electronics, and more—your go-to for noise, dust, and draft defense.
STICK STAY POWER - Strong adhesive backing ensures a waterproof, no-peel grip that won’t let your seal fail when you need it most.
ALL WEATHER WARRIOR - Operates flawlessly from freezing -50℃ to scorching 150℃, keeping your space perfectly insulated year-round.
CUSTOM FIT FLEXIBILITY - Easily cut and bend to any shape or size, making installation a breeze and guaranteeing a flawless finish.

The Yotache Thin Weather Stripping Door Seal is a 33-foot roll of high-density CR and Neoprene closed-cell foam tape, designed to provide superior insulation and sealing for doors, windows, and a variety of household and automotive applications. With a temperature tolerance from -50℃ to 150℃, strong waterproof adhesive, and flexible customization, it effectively blocks drafts, dust, noise, and moisture, enhancing comfort and energy efficiency.

Specifications

ASIN	B07WK2J1BN
Best Sellers Rank	#10,711 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #69 in Weather Stripping
Brand Name	yotache
Color	Black
Customer Reviews	4.3 4.3 out of 5 stars (8,649)
Item Dimensions L x W	396"L x 1"W
Item Highlight	Close Cell Foam Tape with Adhesive for Doors Insulation, Seals Gaps, Blocks Drafts
Item Thickness	0.06 inches
Manufacturer	YoTache
Material Type	High Density
Number of Packs	1
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
Unit Count	33 Feet

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$34.93

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In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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