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Hanno deciso di togliere il tetto per ampliare la casa.
They decided to remove the roof to expand the house.
To demolish or remove the roof of a building, typically to modify or rebuild the structure.
Dopo l'acquisto della casa, hanno dovuto togliere il tetto per ristrutturare completamente.
After buying the house, they had to remove the roof to renovate it completely.
Il comune ha ordinato di togliere il tetto perché la struttura era pericolante.
The municipality ordered to remove the roof because the structure was unsafe.
This phrase is used in a literal sense, referring to the physical act of removing a roof. It is not idiomatic.
Remember that 'togliere il tetto' is always literal in Italian. If you hear it in a figurative context, it may be a mishearing or mistranslation of another phrase like 'togliere il disturbo' (to leave).
Always check the context to determine if 'togliere il tetto' refers to a physical action (demolishing a roof) or if it might be part of a larger idiomatic expression.
The phrase 'togliere il tetto' is a literal construction used in architecture and construction contexts. It should not be confused with idiomatic expressions like 'togliere il disturbo' (to leave) or 'togliere le tende' (to leave abruptly).