4 Pine Bi Folds for Your Door 36 x 80

The 4 Pine Bi Fold Doors are the best thing to ever happen to front doors. One of these doors is installed every minute in America, so you should stop reading right now and go order one

The 4 Pine Bi Fold Door is a bi fold door that has been redesigned from the ground up to be the best looking, most functional and highest quality wood door on the market

The bi fold door features a solid panel core with a full-length panel on each side of the core. The two panels are then connected together at the top by means of a butterfly hinge which allows for easy opening/closing of the door

The new 4 Pine Bi Fold Doors are made of 3/4" thick solid oak that is finished with a durable exterior grade polyurethane finish that protects against weathering and stains while providing superior durability and strength over time. This large size door comes in any color of your choice so you can match your home perfectly!

pine bi fold door 36 x 80

Bi-Fold Door

LOW PRICE BEST DESIGN GOOD QUALITY FAST DELIVERY

The load bearing capacity is up to 400kg per panel, which will satisfy the demand for larger opening space, and offer superior visual enjoyment. Any arrangements of opening ways are available for products less than 6 panels, which meets the needs of custom design.

Hold handle down:Sliding doors sit on rails to hold the doors in place Pull the hand up:Sliding doors create a distance from the track, allowing for smoother sliding

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DOORWIN THE LEADING WINDOWS DOORS MANUFACTURER

Freedom to dream "truly custom-made"

Doorwin provides one-stop solution for professional windows doors manufacturer and installation. We have been serving customers with our high quality and branded products in United States, Asia and worldwide.

Full Custom Fenestration System

Find the true freedom to bespoke

Doorwin is the manufacturer of full custom fenestration systems, and we're here for you. We provide you with the freedom to design your windows, doors, and more with no additional charge for special shapes, hardware styles, and color choices. Your vision is our inspiration; our job is to make it a reality.
Our products are made to pass your local inspector's verification and are built under USA building codes so you can rest assured that they are safe and sturdy. Choose Doorwin to experience the best bespoke fenestration service available today!

Design Assistance Service

From manufacturing to delivery on site

We take care of the entire process for you, from beginning to end. We have our own expertise and will provide free-charge design development & contract documentation with CAD and BIM drawings. In addition to elevation details and installation design, we will double-check that the products match the drawings and project specifications through video or pictures. We'll help you specify the delivery schedule and logistics service whilst keeping costs to a minimum.

The Safest Delivery

5 layers packaging guarantee 0 damage

We're proud to be one of the top exporters of windows and doors to the United States. We pack each window individually and in four layers, and finally into wooden boxes with non-fumigation, and at the same time, there will be a lot of shockproof measures in the container to protect your items. We ensure that your products will arrive at the sites in good condition after long-distance transportation.
Doorwin has been exporting tens of millions of dollars of windows and doors to the U.S. every year, and we know that improper packaging can cause breakage of the product when it arrives on site. What the client concerns, we concern most.

What Projects Can We Take?

We are tested by the following standards:
-NFRC (North American Fenestration Rating Council)
-AAMA (American Architectural Manufacturers Association)
-WNMA (Wood National Monument Association)
-CSA101 (Canadian Standards Association)
-I.S.2 (International Standard ISO/IEC 17025)
-A440-11 (Standard for Fire Testing of Door Assemblies for Charging Rooms)