Technology Piraeus - Passive House 3 - LDP03
A two-layered wall of calcium-silicate brick Silka (Xella) 54 cm thick (24 cm calcium-silicate brick + 30 cm foamed polystyrene Termoorganika with a thermal conductivity factor λ of 0,033 W/m2K) with a U factor of 0,097 W/m²K
There is possibility of changing calcium-silicate brick for Ytong aerated concrete blocks 24 thick with a U factor of 0,09 W/m²K.
Foundation slab of reinforced-concrete 25 cm thick on a non-swelling layer of compacted sand and gravel and on a thermal insulation layer of hard, nonabsorbing foamed polystyrene 30 cm thick.
load-bearing walls as previously mentioned, depending on technology used in outer walls
framework partition walls covered with plasterboards
Densely ribbed made of reinforced-concrete with concrete or ceramic hollow blocks.
Traditional roof framing made of timber by a carpenter
space and water heating system - a heat pump with low-grade heat sources
forced ventilation system with recuperation using solutions from Rekuperatory enterprise
optionally ground-coupled heat exchanger Awadukt thermo by REHAU
Purmo central heating systems
floor heating in bathrooms - electric underfloor heating mat
walls insulation of foamed polystyrene Platinum Plus by Termo Organika 30 cm thick,
reinforced concrete slab of foamed polystyrene Podloga Gold Plus by Termo Organika 30 cm thick,
roof insulation of foamed polystyrene Superpoddasze Platinum Plus 20 cm thick and foamed polystyrene Platinum 10 cm thick and, optionally as an additional layer of insulation, foamed polystyrene panels of thermodom system by Thermomur used for tiles roofing .
Windows and doors:
PVC windows by REHAU - Brillant Design with a U value of 0,8 W/m²K for panes and a U value of 1,2 W/m²K for frames, solar factor of 50% max.
PVC windows by Oknoplast with a U value of 0,6 W/m²K for panes and a U value of 1,0 W/m²K for frames, solar factor of 51% max.
roof windows by Fakro - FTT Thermo with a U value of 0,5 W/m²K for panes and 0,94 W/m²K for frames, solar factor of 50%max.
Outer doors by Hörmann with total U value of 1,3 W/m²K.
Garage door by Hörmann with total U factor of 1,3 W/m²K.
This plan contains project of recuperation system!