Abstract: Disposable framework (1) for insulated masonry in reinforced concrete, is provided with two polystyrene panels (2) which face each other and which are limited towards the outside by respective lateral surfaces (2e), and with at least two formwork spacers (10) which are assembled to the polystyrene panels (2), and presenting respective pairs of terminal end plates (19), which extend in such a way as to abut the ralative lateral surfaces (2e) and which partially occupy a height of the lateral surfaces (82e).