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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20 Feet Rubber Weather Stripping Door Seal Strip, Self-Adhesive Backing D-Shape Door Weatherstripping for Door Frame Insulation Large Gap, Easy Cut to Size(Black)

20 Feet Rubber Weather Stripping Door Seal Strip, Self-Adhesive Backing D-Shape Door Weatherstripping for Door Frame Insulation Large Gap, Easy Cut to Size(Black)

Product ID: 596358632

Details

Brand
Fingwerk
Colour
Black
Item thickness
0.23 Inches
Material
Rubber
Product dimensions
6.1L x 0.01W

📏20 feet length for full coverage

❄️Flexible rubber resists extreme temps

🛠️Self-adhesive backing for easy install

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1268034₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚪 Seal smart, save energy, and stay cozy—your door’s new best friend!

ALL WEATHER DURABILITY - Rubber material stays flexible, won’t crack or freeze in harsh climates
MULTI PURPOSE INSULATION - Blocks wind, dust, noise, and cold to keep your space cozy and quiet
EFFORTLESS DIY INSTALLATION - Peel-and-stick 3M adhesive ensures a firm hold without tools or mess
SEAL EVERY GAP WITH PRECISION - 20 feet long and 0.35 inch wide fits gaps from 2.5 to 5.5 mm perfectly
CUSTOM FIT FOR ANY DOOR OR WINDOW - Easily cut to size and shape for a seamless, professional finish

The Fingwerk 20 Feet Rubber Weather Stripping Door Seal Strip offers a versatile, durable solution for insulating doors and windows. Featuring a 20-foot length with a 0.35-inch width and 0.23-inch thickness, it fits gaps from 2.5 to 5.5 mm. Its strong 3M self-adhesive backing allows quick, tool-free installation, while the flexible rubber material resists cracking and freezing in extreme temperatures. Ideal for reducing drafts, noise, dust, and energy loss, this weather stripping is easily cut to size for a perfect fit on doors, windows, and more.

Specifications

ASIN	B0BLTNL21B
Brand	Fingwerk
Brand Name	Fingwerk
Color	Black
Colour	Black
Customer Reviews	4.1 out of 5 stars 162 Reviews
Included Components	3M adhesive tape
Item Dimensions L x W	6.1L x 0.01W Meters
Item Thickness	0.23 Inches
Item Type Name	Rubber Weather Stripping
Item thickness	0.23 Inches
Manufacturer	Fingwerk
Material	Rubber
Material Type	Rubber
Model Number	FD20
Number of Items	1
Product dimensions	6.1L x 0.01W Meters
Recommended Uses For Product	Door, Electrical cabinets, Window
Recommended uses for product	Door, Electrical cabinets, Window
Unit Count	1.0 Count

Reviews

W**O

Good quality

Good quality ant great adhesive.

15.10.2023

S**E

Worked well

Replaced door sealing strips and worked well. Easy to install and did the trick. Recommend this product

3.01.2025

أ**ج

ممتاز

ممتاز ممتاز جدا

5.07.2024

S**E

as expected

no problems

25.06.2023

L**N

Stripping

Working beautifully

9.03.2024

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