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Under Door Draft Stopper, Door Draft Blocker for Noise and Dust, Adjustable Door Insulator and Gap Filler

Under Door Draft Stopper, Door Draft Blocker for Noise and Dust, Adjustable Door Insulator and Gap Filler

Cold air stays outside
Helps cut energy expenses
Dust and insects stay out
Fits in without tools
Adjusts to your door
Color
$49.99 $64.99 Save $15.00 (23%)

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Description

Under Door Draft Stopper, Door Draft Blocker for Noise and Dust, Adjustable Door Insulator

  • Cold air stays outside: the stopper minimizes heat loss and helps reduce energy expenses
  • Dust and insects stay out: it blocks air drafts, dust, noise and insects at the gap under the door
  • A tight seal for your door size: the adjustable length is easily modified to fit a variety of door dimensions
  • Nothing to set up: no tools are needed, just slide it under your door
  • Made for every season: robust polyester with a soft foam interior gives long-lasting performance, winter and summer alike

Cold air creeping under the door, dust drifting in and noise carrying through can all be blocked at the gap. This adjustable door draft stopper slides under your door with no tools needed and works immediately. Its length adjusts from 36.2 to 39 in (92 cm to 99 cm) and it suits door thickness of 1.4 to 2.2 in (3.5 cm to 5.5 cm).

Adjustable Door Insulator and Gap Filler – image 14

Constructed from robust polyester with a soft foam interior, this door insulator minimizes heat loss and helps reduce energy expenses. Use it as door insulation and a door gap filler on interior and exterior doors, at home in winter and summer months alike, in offices to reduce noise distractions, or as a door gap blocker in commercial spaces where air quality and comfort are priorities.

Why choose Mubso
Under Door Draft Stopper
Feature Mubso Others
Blocks drafts, dust, noise and insects ✓ Varies
Minimizes heat loss under the door ✓ ✕
Adjustable length, easily modified ✓ 1 size
No tools needed, just slide it under ✓ Varies
Robust polyester with soft foam interior ✓ Thinner

Key Features

A foam-cored polyester body adjusts to your door and seals the gap beneath it:

  • Blocks Drafts, Dust, Noise And Insects: the adjustable stopper closes off the gap beneath your door
  • Energy Efficient: it minimizes heat loss and keeps cold air from entering
  • Robust Materials: polyester with a soft foam interior is made for long-lasting performance
Under Door Draft Stopper, Door Draft Blocker for Noise and Dust – image 15

Specifications

  • Material: Polyester with soft foam core
  • Colors: Neutral gray, Black, White, Brown
  • Dimensions: Adjustable length from 36.2 to 39 in (92 cm to 99 cm)
  • Door Thickness: Suitable for 1.4 to 2.2 in (3.5 cm to 5.5 cm)
  • Included in Package: 1 x Adjustable door draft stopper
  • Applications: Residential and commercial spaces; interior and exterior doors

Package Includes:

  • 1 x Adjustable door draft stopper

Key Benefits

  • Energy-efficient: it minimizes heat loss, stops cold air from entering and helps reduce energy expenses.
  • Customizable size: it fits a variety of door dimensions and is easily modified to give a tight seal.
  • Easy setup: slide the stopper under your door and it works immediately, with no tools needed.
  • High-quality materials: for long-lasting performance it is constructed from robust polyester combined with a soft foam interior.
  • Versatile applications: it is suitable for residential and commercial spaces, and for various types of interior and exterior doors.

Applications

This stopper helps homes improve energy efficiency in winter and summer months alike, helps offices reduce noise distractions, and suits a commercial setting where air quality and comfort are priorities; its adjustable nature makes it a practical choice for fluctuating door sizes.

Right for you if
  • ✓Cold air seeps under your door — it minimizes heat loss and prevents cold air from entering
  • ✓You have a drafty, dusty doorway — it blocks air drafts, dust, noise and insects
  • ✓You need a snug fit — length adjusts from 36.2 to 39 in for door thickness of 1.4 to 2.2 in
  • ✓You use it at home or at the office — suitable for residential and commercial spaces

If two or more of these sound like you, this is the one.

FAQs

Q: What door sizes does the under door draft stopper fit?
A: The length adjusts from 36.2 to 39 in (92 cm to 99 cm) and it suits door thickness of 1.4 to 2.2 in (3.5 cm to 5.5 cm).

Q: Does it need tools?
A: No tools are needed. Just slide the draft stopper under your door.

Q: What does it block?
A: It blocks air drafts, dust, noise and insects by sealing the gap under the door.

Q: What is it made of?
A: Robust polyester with a soft foam core, which is built for long-lasting performance in homes, offices and other commercial spaces.

Q: What colors is it available in?
A: Neutral gray, Black, White or Brown, so you can pick the one that suits your door.

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Frequently Asked Questions

When will I receive my order?

Orders are usually processed within 1–3 business days (Monday to Friday) after your payment is confirmed.
Once dispatched, delivery generally takes 8–16 business days (Monday to Friday), depending on where you are.
Estimated Delivery Time = Processing Time + Transit Time

How much is shipping?

Standard shipping is free on every order, with no minimum purchase. The price you see at checkout is the final price; there are no extra or hidden shipping charges.

How can I track my order?

As soon as your order is dispatched, you receive a confirmation email containing your tracking information. Please allow 48–72 hours after shipment for tracking updates to appear, particularly during busy periods.
You can check on your order at any time through our Track Your Order page.

What is your return policy?

You have a 30-day return window, counted from the day your order is delivered.
To qualify for a return, items must be:
unused
in their original condition
returned in the original packaging (where possible)
complete with every included part and accessory

How do I start a return?

To begin a return, email our support team at support@mubso.com.
In your message, please include:
your order number
the reason for the return
clear photos (if the item is damaged, defective, or incorrect)
Once we have your request, our team reviews the details and sends you the appropriate return instructions.

When will I receive my refund?

Once your returned item has been received and inspected, approved refunds are processed within 7 business days.
Please note that, depending on your bank or payment provider, it may take extra time for the refunded amount to show in your account.