Assertion: firestop mortar | /r/CapableOf | require to have a fire-resistance rating
Facets:
Source sentences:
text: Firestop mortars are mortars most typically used to firestop large openings in walls and floors required to have a fire-resistance rating.
text: Firestop mortars are mortars most typically used to firestop large openings in walls and floors required to have a fire-resistance rating.