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ballasted roof (wiki.tran.su); inverted roof (Кровля
с теплоизоляционным слоем поверх водоизоляционного ковра – also referred to as a ‘protected membrane' or ‘upside down' roof , is form of flat roof in which the waterproofing layer is beneath the thermal insulation rather than above it  designingbuildings.co.uk Firiel) | |||
| инверсионная кровля: 3 phrases in 1 subject |
| Architecture | 3 |