What size/width slot is required for pushing the plastic edge into?

Not sure what width you are asking about. If you are talking about the channel it goes into it is pretty much standard size which is a groove you press the flange into. The only width/gap you need to make sure of is the door to the frame which is about 5/8. Close your door and measure the spacing. I used this to replace the original of 37 years old and it fit like a charm. Very satisfied, looks good and will stop any air leaks. Hope this helps.

The groove you press the flange into should be installed first, because regular doors do not have it, right?

Actually our door had a groove and we just replaced the old stripping that the cats had shredded. Easy and worked great

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Fingwerk 20 Feet Rubber Weather Stripping Door Seal Strip, Self-Adhesive Back...

Fingwerk 20 Feet Rubber Weather Stripping Door Seal Strip, Self-Adhesive Back...

Product ID: 498992628

Details

Brand
Fingwerk
Color
Black
Item Thickness
0.23 inches
Material
Rubber
Product Dimensions
0.35"W

📏20 feet length for full coverage

🖤Durable black rubber, flexible & weatherproof

🛠️Strong 3M self-adhesive backing for easy install

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Description

🚪 Seal the deal on comfort and savings—don’t let drafts crash your vibe!

PEEL STICK FORGET - Super-strong 3M adhesive ensures a firm hold without messy tools or hardware
CUSTOM FIT IN SECONDS - Easily cut and bend to any shape for a flawless, tailored seal every time
MULTI PURPOSE MASTERY - Ideal for doors, windows, cabinets, speakers, and more—upgrade your entire space
WEATHERPROOF FLEXIBLE - Resists freezing, cracking, and extreme temps to keep your space cozy year-round
SEAL EVERY GAP LIKE A PRO - 20 feet of premium D-shape rubber fits gaps from 2.5 to 5.5 mm perfectly

The Fingwerk 20 Feet Rubber Weather Stripping Door Seal Strip features a durable, flexible black rubber D-shape profile with a 0.23-inch thickness and 0.35-inch width, designed to seal gaps from 2.5 to 5.5 mm. Equipped with a strong 3M self-adhesive backing, it offers easy peel-and-stick installation that withstands extreme temperatures without cracking or freezing. Perfect for insulating doors, windows, and more, this versatile weatherstrip enhances energy efficiency and noise reduction while protecting your home from drafts and dust.

Specifications

ASIN	B0BLTNL21B
Best Sellers Rank	#4,727 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #29 in Weather Stripping
Brand Name	Fingwerk
Color	Black
Customer Reviews	4.2 4.2 out of 5 stars (2,776)
Included Components	3M adhesive tape
Item Dimensions L x W	0.35"W
Item Thickness	0.23 inches
Item Type Name	Rubber Weather Stripping
Manufacturer	Fingwerk
Material Type	Rubber
Model Number	FD20
Number of Items	1
Recommended Uses For Product	Door, Electrical cabinets, Window
Unit Count	20 Feet

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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I loved the variety of products available. Will definitely shop again.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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21301CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

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

5 days ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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