De or het loonblokkering?

The correct Dutch article is:

de loonblokkering

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

How to use loonblokkering

the loonblokkeringde loonblokkering
this loonblokkeringdeze loonblokkering
that loonblokkeringdie loonblokkering
our loonblokkeringonze loonblokkering
your loonblokkeringjouw loonblokkering
every loonblokkeringelke loonblokkering
which loonblokkering?welke loonblokkering?
a big loonblokkering / the big loonblokkeringeen grote loonblokkering, de grote loonblokkering