(of a building) sealed against rain and wind.
- ‘Hence, an architect's most fundamental charge is to design a weathertight building.’
- ‘It's an oldish building, but it's nice, fairly weathertight, and fits my needs.’
- ‘The local authority undertook the works to the roof with insufficient regard for the importance of programming the completion of sections of the re-roofing to ensure that the roof was at all times weathertight.’
- ‘Instead, that $100 million the Government is spending on the weathertight homes bureaucracy is, according to the Government, to provide a quick and speedy resolution to the problem of rotting homes.’
- ‘In ideal conditions, a house constructed with a timber frame can be windproof and weathertight in days and completed in six to eight weeks.’
- ‘Fiterman Hall is weathertight, with little mold.’