Passive House Roof Insulation

Passive house has a reputation for requiring ungodly amounts of insulation.

Passive house roof insulation.

A highly insulated eaves joint cepheus project horn austria architect treberspurg vienna. Passive house principles achieve superior energy efficiency and occupant comfort with stone wool insulation rockwool s mass wall enclosure system is certified by passive house institute phi and the details can be directly incorporated into your project. It grew out of the superinsulation movement after all. The house at cornell tech photo by field condition.

Thermal insulation for passive houses must be extremely effective and so thick walls are built up using super insulation to achieve high r values. Masonry construction with thermal insulation compound system timber construction lost. Insulation specifying high levels of insulation for the thermal envelope is at the heart of good passive design. These values may be slightly higher or lower depending on the climate.

Passive houses are working examples of dwellings with very good thermal insulation standards. Inadequate insulation and air leakage are the main causes of heat loss in homes. Insulation acts as a barrier to heat flow reducing heat loss in winter to keep the house warm or reducing heat gain in summer to keep the house cool. An exemplar of correct detailing.

The level of insulation in passive houses u values thermal transmittance of external walls floor slabs and roof areas of passive houses range from 0 10 to 0 15 w m k for central european climate.