Roofs
StA - roof with thermal insulation, not protected from atmospheric precipitation – inverted roof.
Floors
Ggd - floor with thermal insulation under a layer of concrete, may be in contact with soil, without sound insulation requirements; load affecting floor surface – large (libraries, archives, industrial enterprises, automobile parking lots, swimming pools, etc.).
GR - floors in refrigerators or storehouses for fruit, vegetable, meat and other food products.
Floors in soil zones at risk of high capillary water absorption:
1 - levelled coarse road-metal or gravel (16/40 fraction) on compressed earth;
2 - polystyrene foam;
3 - reinforced concrete layer;
4 - other covering (asphalt).
StA - roof with thermal insulation, not protected from atmospheric precipitation – inverted roof.
Floors
Ggd - floor with thermal insulation under a layer of concrete, may be in contact with soil, without sound insulation requirements; load affecting floor surface – large (libraries, archives, industrial enterprises, automobile parking lots, swimming pools, etc.).
GR - floors in refrigerators or storehouses for fruit, vegetable, meat and other food products.
Floors in soil zones at risk of high capillary water absorption:
1 - levelled coarse road-metal or gravel (16/40 fraction) on compressed earth;
2 - polystyrene foam;
3 - reinforced concrete layer;
4 - other covering (asphalt).
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