Answer: asbestos

AnswerCrossword Clue
ASBESTOS

Fiberglass predecessor

ASBESTOS

Mineral involved in much litigation

ASBESTOS

Fabric once used for theater curtains

ASBESTOS
Fireproofing material
ASBESTOS
Fireproof material
ASBESTOSOld fireproofing material
ASBESTOSOld furnace tape material
ASBESTOSDangerous insulation
ASBESTOSFormer fireproofing
ASBESTOSTheatre curtain.
ASBESTOSFireproof stuff.
ASBESTOSCertain curtain material.
ASBESTOSMaterial for a certain curtain.
ASBESTOSCurtain material.
ASBESTOSProtective material
ASBESTOSFiremen's glove material
ASBESTOSWord on a theater curtain
ASBESTOSInsulator
ASBESTOSConstruction material no-no
ASBESTOSWorkplace watchdog's concern
ASBESTOSDanger in old homes
ASBESTOSLitigation-prompting mineral
ASBESTOSLitigation-prompting insulation
ASBESTOSOld construction danger
ASBESTOSFrowned-on fire-resistant material
ASBESTOSOld building substance
ASBESTOSFire-resistant material
ASBESTOSWidely banned building material
ASBESTOSOnce-common building material
ASBESTOSFrowned-upon construction material