Passive House Roof Design

To be designated as a passive house a building must embody a set.

Passive house roof design.

If you re familiar with any passive house projects you may be thinking about double stud walls that are a foot thick or regular walls with 6 to 12 inches of rigid insulation on the outside. The individual roof type diagrams show the detail associated with each roof type. All mbc passive roof systems deliver a u value of 0 10w m2k. Passive house is not just about adding layers of insulation to make a house airtight she says.

Passive house plan pricing. Fink truss attic truss the vaulted roof and the flat roof. Click image to expa nd. According to leonard designing with efficiencies built into the plans makes the expense of constructing a passive house equal to or less than a code built house.

A combination of super insulation and excellent air tightness. The irish standard part l 2011 for a traditional roof structure is 0 16 w m2k. The walls of this house are 2 8 construction with dense pack cellulose insulation r 27 zip sheathing for the air barrier and 6 roxul insulation r 24 for a total insulation value of r 43. There is a certified passive house in the hot and humid climate of lafayette louisiana usa which uses energy recovery ventilation and an efficient one ton air conditioner to provide cooling and dehumidification.

Passive cooling solar air conditioning and other solutions in passive solar building design need to be studied to adapt the passive house concept for use in more regions of the world. This is very close to the passivhaus standard 0 10 0 15 w m2k however it still does satisfy it. To achieve the passivhaus standard passive roofs need high levels of insulation thermal bridges need to be eliminated and the structure itself needs to be airtight. Essentially a passive house is designed to be extremely energy efficient so that it doesn t take a lot of power to heat or cool.

Passive house is the world s most energy efficient standard and it s the one we promote it really doesn t cost much more at all to build to this standard and reap the benefits including much lower running costs. Passive house has a reputation for requiring ungodly amounts of insulation.