The first hint to crack the puzzle "Patio doors that concertina to open" is:

It is a word which contains 6 letters

The second hint to crack the puzzle "Patio doors that concertina to open" is:

It starts with letter b

The third hint to crack the puzzle "Patio doors that concertina to open" is:

It ends with letter d

Looking for extra hints for the puzzle "Patio doors that concertina to open"

Click on any empty tile to reveal a letter

The answer for the puzzle "Patio doors that concertina to open" is: