De or het kolombekisting?

The correct Dutch article is:

de kolombekisting

Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) (bouwkunde) bekisting om een in beton te vervaardigen kolom

How to use kolombekisting

the kolombekistingde kolombekisting
this kolombekistingdeze kolombekisting
that kolombekistingdie kolombekisting
our kolombekistingonze kolombekisting
your kolombekistingjouw kolombekisting
every kolombekistingelke kolombekisting
which kolombekisting?welke kolombekisting?
a big kolombekisting / the big kolombekistingeen grote kolombekisting, de grote kolombekisting

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).