house tabs

act curtain, act drop, front curtain, house curtain

A curtain, behind the asbestos curtain in a theater, which closes the proscenium and serves as an indication of the beginning or end of an act or scene.
References in periodicals archive ?
As per the norm, Ivor Bolton entered the pit and performed the overture three times--first as a flourish from trumpets placed near the rear of the hall, then from the Freiburger Barockorchester in the pit and then again to raise the house tabs.