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What size bifold door do I need?

When it comes to choosing the right size bifold door, it's important to consider the size of the opening you need to fill. The actual size of the bifold door is based on the opening size, and it should always be slightly undersized to ensure a proper fit.

There are several standard sizes available for bifold doors, and the most popular options include 18", 20", 24", 28", 30", 32", and 36" for 2-door bifold doors, and 48", 60", and 72" for 4-door bifold doors. 



A 35” x 80” bifold means the bifold fits to the opening of 35” x 80”. 

Another example: 

A 36” x 80” bifold means the bifold fits to the opening of 36” x 80”. 

The most popular standard sizes for a bifold are as below

---2DR bifold are 18", 20", 24", 28", ,30", ,32", 36",

---4DR bifold are 48", 60", 72",

If the size of your opening falls outside of the standard sizes for bifold doors, you will need to place a custom order to get a door that fits your specific needs.


To order a custom bifold door for an opening of 22", you will need to choose the "Custom" size option and specify the size of your opening. You can choose a size within the range of 18" to 36", and specify that you need a door that is 22" wide. 


Here are a few link to order a Custom bifold