De or het platting?

The correct Dutch article is:

de platting

  • Plural: de plattings / plattingen
Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) 1. (scheepvaart) platte streng touw of garen 2. (bouwkunde) plat deel van een bouwwerk

How to use platting

the plattingde platting
this plattingdeze platting
that plattingdie platting
our plattingonze platting
your plattingjouw platting
every plattingelke platting
which platting?welke platting?
a big platting / the big plattingeen grote platting, de grote platting
the platting (plural)de plattings, deze plattings

Dutch words ending in platting

afplatting

In compound words, the last part decides the article. See the rule

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