Passive House Roof Design

The key to designing a passive solar building is.

Passive house roof design.

The main diagram below shows how the three passive elements roof wall and foundation link together. Fink truss attic truss the vaulted roof and the flat roof. The irish standard part l 2011 for a traditional roof structure is 0 16 w m 2 k. Passive house design guarantees fresh air and energy efficiency but also comfortable homes that are built to last.

Enjoy discounts on our courses and events membership with ipha and be part of a community of industry leaders. Passive house has a reputation for requiring ungodly amounts of insulation. All mbc passive roof systems deliver a u value of 0 10w m2k. Passive house is the radical notion that you can reliably and consistently design a building that works for humans explained barry.

It grew out of the superinsulation movement after all. If you are. This is called passive solar design because unlike active solar heating systems it does not involve the use of mechanical and electrical devices. The individual roof type diagrams show the detail associated with each roof type.

In passive solar building design windows walls and floors are made to collect store reflect and distribute solar energy in the form of heat in the winter and reject solar heat in the summer. 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. 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. This is very close to the passivhaus standard 0 10 0 15 w m 2 k however it still does.

In most climates an overhang or other devices such as awnings shutters and trellises will be necessary to block summer solar heat gain. It s a comfort standard and a methodology. A passive solar house requires careful design and siting which vary by local climate conditions. Join passive house canada as an individual company or organization and get access to technical passive house resources and forums.

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.