What's the plural form of underflooring? Here's the word you're looking for.
Answer
The noun underflooring can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be underflooring.
However, in more specific contexts, the plural form can also be underfloorings e.g. in reference to various types of underfloorings
or a collection of underfloorings.
