Yes, all doors and hardware are covered by a 2-year warranty against manufacturing defects.

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2 folding panels mdf sliding shaker interior bi-fold door | Quadro 4111 Walnut | 36 x 80 (2* 18x80) photo#1

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Quadro 4111 Walnut Specifications

Type

Interior bi-fold door

Door configuration

2 folding panels

Door system type

Sliding

Pre-made features

Pre-finished

Model

4111

Model Name

Quadro 4111

Manufacturer

SARTODOORS

Core/Material

MDF

Size

36" x 80" (2* 18x80)

Color palette

Walnut

Color

Brown

Glass

No Glass

Door thickness

1 9/16"

Door style

Shaker

Locations

Bathroom Bedroom Pantry

Quadro 4111 Walnut Instructions

(2.47 MB)

(1.00 MB)

Cleaning & Care Instructions

To keep your door looking like new, always clean it gently and regularly:

Use mild detergent only
Wipe gently with damp cloth
Avoid metal scourers
Handle lacquered surfaces with care

Quadro 4111 Walnut FAQ

When will I receive my door?

Can I change or cancel my order after purchase?

What should I do if my order arrives damaged?

What’s included with my door?

Is this door suitable for a bathroom?

Do you offer installation or measurement services?

Can I order a custom size?

Is there a warranty?

Can I return my door if it doesn’t fit?

What if some parts are missing from my order?

Where are United Porte doors made?

How should I care for my door?

How do I choose the correct door opening direction?

Can I buy just the door slab without the frame?

Are your doors displayed in showrooms?

Can I order extra hardware or trims?

How can I track my order?

Quadro 4111 Walnut Review

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2 folding panels mdf sliding shaker interior bi-fold door | Quadro 4111 Walnut | 36 x 80 (2* 18x80)

Q: When will I receive my door?

In-stock doors ship within 1–3 business days. Delivery across the U.S. takes 3–14 days , depending on your state. Custom-size doors are produced within 6–14 weeks .

Q: Can I change or cancel my order after purchase?

Yes. You can modify or cancel your order before it’s sent to the warehouse. Simply contact our support team with your order number.

Q: What should I do if my order arrives damaged?

Before signing the delivery form, inspect the packaging and take photos. If there’s visible damage, note it with the carrier and contact us within 48 hours . We’ll handle it quickly and replace any affected parts.

Q: What’s included with my door?

Each door set includes: • Door slab • Frame • Trims • Hardware (if “with hardware” option is selected) All included components are listed in the product description.

Q: Is this door suitable for a bathroom?

Yes, if marked “Bathroom” or “Interior use.” Planum and Sarto collections feature moisture-resistant coatings suitable for bathrooms.

Q: Do you offer installation or measurement services?

Yes, United Porte provides professional installation and measurement services in select U.S. regions. You can request it directly on our website or through support.

Q: Can I order a custom size?

Absolutely. Custom-size doors are made to order within 6–14 weeks . Just provide your measurements when placing the order.

Q: Can I return my door if it doesn’t fit?

Yes, returns are accepted within 14 days , provided the door was not installed and is in its original packaging. Please contact our support team to initiate a return.

Q: What if some parts are missing from my order?

Take photos of the package and shipping label, then contact our support team, and we’ll quickly send any missing items.

Copy full details

Color: Brown (Walnut) Size: 36" x 80" (2* 18x80)

Model: Quadro 4111 (QUADRO4111BF-WLN-36" x 80" (2* 18x80))

In stock

2 YEARS WARRANTY

Price: $864

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Showroom pick up: Today from 8 New Hook Rd, Bayonne, NJ, 07002
Delivery service: in 1-10 business days. See full delivery timeline by state.

We are the official dealer of Sarto Doors

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Double pocket

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Slabs

Double bifold

Bypass

Door size: 36" x 80" (2* 18x80)

In stock

Custom-size

36" x 80" $864

48" x 80" $864

56" x 80" $864

60" x 80" $864

64" x 80" $864

72" x 80" $864

84" x 80" $945

36" x 84" $936

48" x 84" $936

56" x 84" $936

60" x 84" $936

64" x 84" $936

72" x 84" $936

84" x 84" $1,031

36" x 96" $1,144

48" x 96" $1,144

56" x 96" $1,144

60" x 96" $1,144

64" x 96" $1,144

72" x 96" $1,144

84" x 96" $1,362

View all ()

Choose Color

Walnut

Sliding Closet Bi-fold Doors | Quadro 4111 Walnut | Sturdy Tracks Moldings Trims Hardware Set | Wood Solid Bedroom Wardrobe Doors Matte Grey

Sliding Closet Bi-fold Doors | Quadro 4111 Walnut | Sturdy Tracks Moldings Trims Hardware Set | Wood Solid Bedroom Wardrobe Doors White

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Delivery Options

Delivery Service

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Showroom Pick Up

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2 YEARS WARRANTY against defects in workmanship and materials

We accept

Quadro 4111 Walnut Description

SET INCLUDES:

2 Doors Slabs
Track
Pivot Set
Pivot Brackets
Converging Panel Aliger
Door Knob
Installation Manual
Screws for hardware

Doors are not pre-drilled! It is not recommended to paint.
Thickness of the door slab is 40 mm or 1 9/16"".

Introducing the modern and sleek "Quadro" collection of Bi-fold doors, crafted from high-quality wood with MDF for exceptional durability and longevity. These doors are designed to seamlessly blend into any contemporary interior, making them a perfect addition to modern homes and commercial spaces.

The Walnut finish of the doors not only adds a touch of elegance to your interiors but also creates a sophisticated look that's sure to impress. The unique finish is not just visually stunning but is also resistant to scratches, dings, and other wear and tear, ensuring that your doors look as good as new for years to come.

The Bi-fold doors in the Quadro collection are designed to be extremely versatile and functional, making them an ideal choice for a wide range of applications. Whether you're looking to create a seamless transition between indoor and outdoor spaces or want to create a flexible partition for your living areas, these doors are the perfect solution.

One of the key features of the Quadro collection is its ability to offer superior insulation, ensuring that your interiors stay comfortable and energy-efficient all year round. The doors also feature a smooth and easy-to-use folding mechanism that makes opening and closing them a breeze, making them a great choice for busy households and commercial spaces.

So if you're looking for a premium-quality Bi-fold door that's not just aesthetically pleasing but also offers exceptional functionality and durability, look no further than the Quadro collection. With its timeless design, high-quality materials, and exceptional performance, these doors are sure to impress and elevate the style and functionality of any space they are installed in.

SOLID MDF CORE

Solid MDF core made by laminated MDF using Ciplex technology.

CIPLEX by SARTO

High-end film layer that is applied on top of the laminated MDF Made in Italy.

NO FORMALDEHYDE

Environmentally friendly using only latest eco-friendly materials. Company requires use of only the safest materials. We care about our planet, the environment and you and your loved ones. Sarto Doors are Ideal for use in hospitals and childcare centers.

SOUND ATTENUATION

Door's 40mm thick solid MDF construction yields 30% noise reduction over standard doors.

CONSTRUCTION

Door is manufactured from a solid MDF and will give several generations of normal usage with minimal care.