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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🚪 Seal smart, live cozy — don’t let comfort slip away!

CUT TO FIT PRECISION - Customizable length and shape for any door or window
STRONG STICK NO SLIP - Powerful adhesive ensures a firm, lasting hold
WEATHERPROOF DURABILITY - Rubber won’t crack or freeze, even in harsh climates
VERSATILE USE BEYOND DOORS - Perfect for windows, cabinets, speakers, and more
SEAL EVERY GAP SAVE EVERY DEGREE - Stops drafts and locks in comfort effortlessly

The Fingwerk Door Seal Strip is a 12.6-meter long, 9mm wide, and 6mm thick D-shaped rubber weatherstrip designed to insulate doors and windows. Featuring a strong self-adhesive backing, it installs easily and adapts to gaps from 2.5 to 5.5mm. Its flexible rubber material resists cracking and freezing in extreme temperatures, providing durable protection against drafts, dust, noise, and wear. Made in the USA, it’s a versatile solution for enhancing home comfort and energy efficiency.

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934 DH

Duties & taxes incl.

Moroccostore

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Brand	Fingwerk
Material	Rubber
Colour	Black D-shape
Product Dimensions	9W Millimeters
Item Thickness	6 Millimetres
Recommended Uses For Product	Window,Door
Manufacturer	Fingwerk
Net Quantity	1.0 count
Country of Origin	USA
ASIN	B09TRBV7G8

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)

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