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M-D Building Products 43820 36 in. Beige Vinyl Concealed Kerf/Channel Fit Under Door Seal
Key item features
- Durable Vinyl Construction: Made of rigid and flexible vinyl for long-lasting use.
- Effective Sealing: Provides a seal between the bottom of the door and threshold to protect against drafts, moisture, dust, and insects.
- Energy Efficient: Helps save on energy by reducing heat or air conditioning loss through the bottom of the door.
- Standard Fit: Fits standard 1-3/4 inch thick exterior doors and can be cut to the desired length with a hacksaw.
- Concealed Design: Less visible than most under door seals, offering a more concealed look.
- Pre-Hung Door Replacement: Ideal for replacing under door seals on pre-hung doors; requires door removal for installation.
- Beige Color: Comes in a neutral beige color to blend with most door finishes.
- Dimensions: Measures 36 inches in length, 1-3/4 inches in width, and 1/2 inch in height.
Generated by AI
Specs
- MaterialVinyl
- Size36"
- Rec. useDoor
- ColorBeige
Reviews summary
Pros
- : Doors have a secure fit on exterior doors.
- : Made with materials that meet expectations.
- : Offers good quality at a lower cost.
- : Has a sleek look that fits well under the door.
- : Blends well with surroundings.
- : Forms a secure closure around the door.
Generated by AI
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About this item
Product details
The M-D Vinyl Concealed Kerf/Channel Fit Under Door Seal features vinyl fins for protection from drafts, moisture, dust and insects. Save on energy by sealing the bottom of the door and keeping the heat or air conditioning from escaping. This product requires a kerf channel on the bottom of the door. It is less visible than most Under Door Seals and is ideal for a more concealed look. Used to replace Under Door Seals on pre-hung doors and requires removal of the door to install in to the kerf channel at the bottom of the door. Before installation, cut to desired length using a hacksaw.
- Made of rigid and flexible vinyl
- Provides seal between the bottom of the door and threshold
- 36 in. L x 1-3/4 in. W x 1/2 in. H
- Beige color
- Seals to protect against drafts, moisture, dust and insects
- Save on energy by sealing the bottom of the door to reduce loss of heat or air conditioning
- Fits standard 1-3/4 in. thick exterior door
- Cut Under Door Seal with hacksaw to desired length
- Replaces many "pre-hung" style under door seals
- Requires door removal for installation
info:
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Specifications
Material
Vinyl
Size
36"
Rec. use
Door
Color
Beige
Warranty
Warranty information
No
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Warning Text
proposition 65 reasons:titanium dioxide, other chemicals
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|---|
| Material | VinylM-D Building Products 43820 36 in. Beige Vinyl Concealed Kerf/Channel Fit Under Door Seal | VinylMMZP 43820 Vinyl Concealed Kerf/Channel Fit Under Door Seal, Easy-to-Install Draft Stopper, Energy-Saving Door Insulation, Noise Reduction, Ideal for Home (36 Inch, Beige) | VinylM-D Building Products 39984 Door Bottom Vinyl Storm Door Adjustable Width 36" Gray | rubberUxcell Rubber Weather Stripping Door Seal 23ft x 9mm Self-Adhesive D-Shape Door Seal Strip Soundproof Waterproof for Door Frame Windows Insulation Large Gap, Black | Silicone RubberWindow Weather Stripping Door Seal, 5/16" Wide Kerf Mount Weatherstrip Seal for (5 m/16.4 ft, Brown) | -Koudecy Weather Stripping Door Seal, 40 ft Door Weatherproofing Strip with Kerf Design, V-Shaped Foam Soundproofing Strip for Exterior Windows and Doors, Suitable for Large Gaps, Easy to Install | Silicone RubberWindow Weather Stripping Door Seal, 3/8" Wide Kerf Mount Weatherstrip Seal for (5 m/16.4 ft, White) | EPDMWorgeous Black Garage Door Seal Weatherproofing Strip for Window 1 Roll EPDM Material |
|---|---|---|---|---|---|---|---|---|
| Size | 36"M-D Building Products 43820 36 in. Beige Vinyl Concealed Kerf/Channel Fit Under Door Seal | 36"MMZP 43820 Vinyl Concealed Kerf/Channel Fit Under Door Seal, Easy-to-Install Draft Stopper, Energy-Saving Door Insulation, Noise Reduction, Ideal for Home (36 Inch, Beige) | 36"M-D Building Products 39984 Door Bottom Vinyl Storm Door Adjustable Width 36" Gray | 9 mmUxcell Rubber Weather Stripping Door Seal 23ft x 9mm Self-Adhesive D-Shape Door Seal Strip Soundproof Waterproof for Door Frame Windows Insulation Large Gap, Black | 5 m/16.4 ftWindow Weather Stripping Door Seal, 5/16" Wide Kerf Mount Weatherstrip Seal for (5 m/16.4 ft, Brown) | 40'Koudecy Weather Stripping Door Seal, 40 ft Door Weatherproofing Strip with Kerf Design, V-Shaped Foam Soundproofing Strip for Exterior Windows and Doors, Suitable for Large Gaps, Easy to Install | 3/8 inWindow Weather Stripping Door Seal, 3/8" Wide Kerf Mount Weatherstrip Seal for (5 m/16.4 ft, White) | 39.4" x 3.7" x 0.2"Worgeous Black Garage Door Seal Weatherproofing Strip for Window 1 Roll EPDM Material |
| Rec. use | DoorM-D Building Products 43820 36 in. Beige Vinyl Concealed Kerf/Channel Fit Under Door Seal | DoorMMZP 43820 Vinyl Concealed Kerf/Channel Fit Under Door Seal, Easy-to-Install Draft Stopper, Energy-Saving Door Insulation, Noise Reduction, Ideal for Home (36 Inch, Beige) | DoorM-D Building Products 39984 Door Bottom Vinyl Storm Door Adjustable Width 36" Gray | DoorUxcell Rubber Weather Stripping Door Seal 23ft x 9mm Self-Adhesive D-Shape Door Seal Strip Soundproof Waterproof for Door Frame Windows Insulation Large Gap, Black | DoorWindow Weather Stripping Door Seal, 5/16" Wide Kerf Mount Weatherstrip Seal for (5 m/16.4 ft, Brown) | DoorKoudecy Weather Stripping Door Seal, 40 ft Door Weatherproofing Strip with Kerf Design, V-Shaped Foam Soundproofing Strip for Exterior Windows and Doors, Suitable for Large Gaps, Easy to Install | DoorWindow Weather Stripping Door Seal, 3/8" Wide Kerf Mount Weatherstrip Seal for (5 m/16.4 ft, White) | -Worgeous Black Garage Door Seal Weatherproofing Strip for Window 1 Roll EPDM Material |
| Color | BeigeM-D Building Products 43820 36 in. Beige Vinyl Concealed Kerf/Channel Fit Under Door Seal | BeigeMMZP 43820 Vinyl Concealed Kerf/Channel Fit Under Door Seal, Easy-to-Install Draft Stopper, Energy-Saving Door Insulation, Noise Reduction, Ideal for Home (36 Inch, Beige) | GrayM-D Building Products 39984 Door Bottom Vinyl Storm Door Adjustable Width 36" Gray | BlackUxcell Rubber Weather Stripping Door Seal 23ft x 9mm Self-Adhesive D-Shape Door Seal Strip Soundproof Waterproof for Door Frame Windows Insulation Large Gap, Black | BrownWindow Weather Stripping Door Seal, 5/16" Wide Kerf Mount Weatherstrip Seal for (5 m/16.4 ft, Brown) | BlackKoudecy Weather Stripping Door Seal, 40 ft Door Weatherproofing Strip with Kerf Design, V-Shaped Foam Soundproofing Strip for Exterior Windows and Doors, Suitable for Large Gaps, Easy to Install | WhiteWindow Weather Stripping Door Seal, 3/8" Wide Kerf Mount Weatherstrip Seal for (5 m/16.4 ft, White) | BlackWorgeous Black Garage Door Seal Weatherproofing Strip for Window 1 Roll EPDM Material |
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Doors have a secure fit on exterior doors.
- : Made with materials that meet expectations.
- : Offers good quality at a lower cost.
- : Has a sleek look that fits well under the door.
- : Blends well with surroundings.
- : Forms a secure closure around the door.
Generated by AI
Customer images
Sort by |
Showing 1-3 of 22 reviews
Sep 21, 2025
kugiej
Top Reviewer
5 out of 5 stars review
Verified Purchase
No Leaks
These fit perfectly on all our exterior doors. I had to cut about 1/8 inch off each end to fit a standard 36 inch door. You can cut the non kerf area with scissors. Easy installation. No more air leaks.
Incentivized Review
Helpful?6XREIL8Z5T8I23331692
Dec 10, 2025
Holly
5 out of 5 stars review
Verified Purchase
Works
Easy to install. Works wonders!
Incentivized Review
Helpful?6XREIL8Z5T8I23331692
Jan 27, 2023
Walmart customer
5 out of 5 stars review
Verified Purchase
Nice fix for a seal
I received product reimbursement in exchange for my honest review. This is a great way to revamp door seals. The channel fit is nice since you don't have to screw anything on. The seal part is plenty thick and glides easily along my tile floors. The beige color is true to what I expected.
Helpful?6XREIL8Z5T8I23331692
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