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 ?
On leaving the stage for the final time as the house tabs fell, he stepped into the wings and collapsed with his third heart attack in 16 years.
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. Katija Dragojevic's La Musica poked her head through the curtain to sing emerging barefoot in a white gown.