English to Portuguese Tech/Engineering Architecture

Acho que "visual liso" como tradução, ou está incorreto ou é muito literal, mas aceito todas as sugestões. Obrigado!


[...] yyy delivered an architecturally flat look for the outside of the stadium with passive fire protection built in. Its secret fix system hides away jointing without losing structural integrity or support and allowed for simple and rapid installation, making sure the stadium was ready in time and to budget before the new football and rugby seasons.[...]