What's the difference between the 35mm and 50mm?. Picture show same width.

35mm is relatively narrower and 50mm is relatively wider. The width of both of them is not the same.

What is thickness of weatherstripping

Hello: The thickness of the adhesive part is 0.7mm, and the thickness of the sealing part is 0.5mm.

Silicone portion of the tape does not seal or stick and remains loose so this does NOT create an "airtight" seal at all, right?

Hello, there is adhesive on one end of the tape and no adhesive on the other end. You need to stick it along the edge of the gap, which can easily block the cold or hot air in the gap, and also make it very convenient for you to open doors and windows at any time. Hope my answer can help you.

I read that its adhesion is not very good and a double sided tape can help. Is Scotch's double sided tape sticky enough? Or heavy duty?

I have had no trouble with mine sticky on the door and window sill. I would be afraid to use double stick tape because it will come loose then When you put in on press down and slide your finger over it to seal it tight. Make sure not to touch the sticky . good luck I love it has saved me lots of money.

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Silicone Seal Strip,Weather Stripping for Door or Window,Weatherproof Soundproof Self Adhesive Door Strip Bottom, Draft Stopper Silicone Strip Tape (Transparent, 45mm)

Product ID: 148515059

Details

Brand
JR JUN RONG
Color
High
Item Thickness
1.77 Inches
Material
Silicone
Product Dimensions
198"L x 1.77"W

💧Waterproof & weatherproof seal

🔇Effective noise & draft blocker

🛡️45mm wide premium silicone strip

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€ 28.05

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Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Seal smart, live quiet — your door’s new best friend!

INVISIBLE PROTECTION - High transparency design blends seamlessly with any door or window frame.
EASY DIY INSTALLATION - Peel, stick, and compress—no tools needed for a quick upgrade to your home comfort.
LONG LASTING ADHESION - Strong self-adhesive backing ensures a firm, durable hold even in extreme weather.
SEAL OUT THE ELEMENTS - Blocks wind, water, dirt, and noise for a serene, energy-efficient space.
PRECISION FIT FOR EVERY GAP - Available in 25mm and 45mm widths to perfectly seal gaps up to 30mm wide.

This premium silicone seal strip offers a 45mm wide, transparent weatherproof barrier that effectively blocks drafts, noise, water, and dirt. Featuring a strong self-adhesive backing, it fits gaps up to 30mm and adheres firmly for long-lasting performance in all weather conditions. Ideal for doors, windows, and sliding glass panels, it’s a simple, stylish upgrade that enhances home comfort and energy efficiency.

Specifications

ASIN	B07V577GWG
Best Sellers Rank	#102,282 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #492 in Weather Stripping
Brand Name	JR JUN RONG
Color	High transparency
Customer Reviews	4.3 4.3 out of 5 stars (5,562)
Included Components	sealing strip
Item Dimensions L x W	198"L x 1.77"W
Item Thickness	1.77 Inches
Item Weight	1250 Grams
Manufacturer	JR JUN RONG
Material Type	Silicone
Model Number	Silicone Seal Strip
Number of Items	1
Recommended Uses For Product	Door and window draft prevention, soundproofing, weatherproofing
UPC	797805993506
Unit Count	1.0 Count

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