De or het roosterindeling?

The correct Dutch article is:

de roosterindeling

Rule Words ending in -ing: almost always de. See the rule

This word is not in the word lists we use to double-check answers.

How to use roosterindeling

the roosterindelingde roosterindeling
this roosterindelingdeze roosterindeling
that roosterindelingdie roosterindeling
our roosterindelingonze roosterindeling
your roosterindelingjouw roosterindeling
every roosterindelingelke roosterindeling
which roosterindeling?welke roosterindeling?
a big roosterindeling / the big roosterindelingeen grote roosterindeling, de grote roosterindeling