Assertion: basement's floor | /r/CapableOf | underlay acts as barrier
Facets:
value: to stop dampness
type: PURPOSE
value: at the same time
type: TEMPORAL
Source sentences:
text: Plus, the air gap allows air movement under the floor that will dry any moisture coming up through the concrete and at the same time the moisture-proof underlay acts as a barrier to stop dampness from rising into the finished room above.