靜音
O pulo do gato na construção
Espaçadores Essas peças circulares ou em formato de estrela que estão encaixadas nos vergalhões são chamadas de espaçadores (ou distanciadores) plásticos. ​No canteiro de obras, elas também são conhecidas popularmente como "cadeirinhas" ou "margaridas", dependendo do modelo e da região. ​Para que servem? ​A principal função dessas peças é garantir o cobrimento do concreto. Elas servem para: ​Manter a ferragem centralizada: Evitam que a armadura se desloque e encoste na fôrma durante a concreta...
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