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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Door Seal Strip Rubber 12.6M Self Adhesive Back D Shape Door Seal Strip for Door Frame Insulation Large Gap Easy Cut to Size (Black)

Door Seal Strip Rubber 12.6M Self Adhesive Back D Shape Door Seal Strip for Door Frame Insulation Large Gap Easy Cut to Size (Black)

Product ID: 745685676

Details

Brand
Fingwerk
Colour
Black D-shape
Item Thickness
6 Millimetres
Material
Rubber
Product Dimensions
9W Millimeters

📏12.6M length for full coverage

❄️Flexible rubber resists extreme temps

🛠️Self-adhesive for effortless install

₨1140

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Description

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

CUT TO YOUR NEEDS - Easily trim with scissors or a utility knife for a custom fit on any door or window frame.
STICK STAY POWER - Super-strong self-adhesive backing ensures a firm hold that won’t peel off—even under harsh weather conditions.
FLEXIBLE YET DURABLE - Premium rubber material bends easily without cracking or freezing, maintaining performance year-round.
MULTI PURPOSE WEATHER DEFENSE - Blocks wind, dust, noise, and cold while protecting your doors and windows from wear and tear.
SEAL EVERY GAP WITH PRECISION - 12.6 meters long and 9mm wide, perfectly fits gaps from 2.5 to 5.5mm for airtight insulation.

The Fingwerk Door Seal Strip Rubber is a 12.6-meter long, D-shaped self-adhesive weatherstrip designed to insulate door and window frames with gaps between 2.5 to 5.5mm. Made from flexible, durable rubber, it resists cracking and freezing in extreme temperatures. Easy to cut and install, it effectively blocks drafts, dust, noise, and cold, enhancing home comfort and protecting door edges from damage.

Specifications

ASIN	B09TRBV7G8
Best Sellers Rank	#198,640 in Home Improvement ( See Top 100 in Home Improvement ) #1,711 in Weather Stripping
Brand Name	Fingwerk
Colour	Black D-shape
Customer Reviews	4.2 4.2 out of 5 stars (1,011)
Item Dimensions L x W	9W Millimeters
Item Thickness	6 Millimetres
Manufacturer	Fingwerk
Material Type	Rubber
Number of Items	1
Number of Packs	1
Recommended Uses For Product	Window,Door
Unit Count	1.0 Count

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₨1140

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

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