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Deal.ai › Cosmos › Doors
Cosmos
Cosmos 36 Inch x 84 Inch Black 6-Panel Hollow Core MDF Bi-Fold Door with Sliding Hardware Kit

Cosmos 36 Inch x 84 Inch Black 6-Panel Hollow Core MDF Bi-Fold Door with Sliding Hardware Kit

Best price now

$269.99at AmazonChecked 13 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Last seen at $269.99 at Amazon on Nov 14.
  • Checked at 2 stores.

Our take on the Cosmos 36 Inch x 84 Inch Black 6-Panel Hollow Core MDF Bi-Fold Door with Sliding Hardware Kit

This is a two-leaf bi-fold door for interior openings, 36 inches wide and 84 inches tall, with each leaf 18 inches wide. It is built from hollow core MDF with a black finish on both sides and a six-panel layout, and it ships with a matching sliding hardware kit. The hollow core keeps it light, so it is easy to fold and hang, but it blocks less sound and feels less solid than a solid core door. It suits closets, laundry rooms and pantry openings where a full swing door would take up floor space.

Best forCloset and pantry openingsLaundry and utility room doorsSmall rooms where a swing door crowds the floorDIY installs that want door and hardware together
Pros
  • Door and sliding hardware come as one set
  • Two 18-inch leaves fold flat against the wall
  • Black finish on both faces, no painting needed
  • Six-panel look suits modern and traditional interiors
  • Light hollow core MDF is easy to lift and hang
Cons
  • Hollow core transmits more sound than solid core
  • MDF dents and swells if it gets wet
  • Black finish shows scuffs and dust
  • Hardware quality matters more than the door on a bi-fold

Cosmos 36 Inch x 84 Inch Black 6-Panel Hollow Core MDF Bi-Fold Door with Sliding Hardware Kit prices at every store

  • WalmartNew

    In stockSold by Cosmos SelectReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $769.25Free shippingChecked 13 h ago
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $269.99Free shippingChecked 13 h ago
    Visit Amazon

Store links may earn us a commission.

Cosmos 36 Inch x 84 Inch Black 6-Panel Hollow Core MDF Bi-Fold Door with Sliding Hardware Kit price history

Lowest price we've seen: $269.99 on Nov 15 at Amazon. Tracked across 1 store since Nov 15.

About the Cosmos 36 Inch x 84 Inch Black 6-Panel Hollow Core MDF Bi-Fold Door with Sliding Hardware Kit

This is a black 6-panel bi-fold door that comes with matching sliding hardware. It is designed for interior access. The door has a hollow core and is made of MDF.

The door is finished on both sides. It measures 36 inches wide and 84 inches tall. It is split into two door leaves, each 18 inches wide, to fit standard entry openings.

Color
Black
Style
6-panel bi-fold
Material
MDF
Core
Hollow core
Finish
Finished on both sides
Dimensions
36 in. wide x 84 in. tall
Door leaves
2 leaves, each 18 in. wide
In the box
Bi-fold door and sliding hardware kit
Brand
Cosmos

Specifications

color
BlackSource
size
36 x 84Source

Questions and answers

Is this door solid wood?
No. It is hollow core MDF, so the center is open with a thin skin on each face. That makes it lighter and less expensive than solid core, but also less sound-blocking.
Does the hardware kit include everything for a bi-fold?
The set pairs the door with matching sliding hardware for a bi-fold setup. Check that your opening is framed for a top-track bi-fold before installing.
Will a 36 x 84 door fit my opening?
The door is 36 inches wide and 84 inches tall, split into two 18-inch leaves. Rough openings need clearance for the track and jambs, so measure the finished opening, not just the door.
Can I paint or trim the door?
It comes finished in black on both sides. MDF can be painted, but the factory black finish is already done, so most buyers leave it as is.
Is it suitable for a bathroom?
MDF swells when it takes on moisture, so a humid bathroom is a risky spot unless ventilation is good. It fits better in closets, pantries and laundry areas.
How does it compare with a solid core bi-fold?
A solid core door blocks more sound and feels heavier, but costs more and is harder to hang. This hollow core door is the lighter, lower-cost option for interior closets.
Where is the Cosmos 36 Inch x 84 Inch Black 6-Panel Hollow Core MDF Bi-Fold Door with Sliding Hardware Kit cheapest?
At Amazon, for $269.99, as of our latest check.
Where can I buy the Cosmos 36 Inch x 84 Inch Black 6-Panel Hollow Core MDF Bi-Fold Door with Sliding Hardware Kit?
2 stores we checked sell it, including Walmart, Amazon.

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