Passive House Roof

It grew out of the superinsulation movement after all.

Passive house roof.

To meet passive house standard a home must not have an air change rate of more than 0 6 hour than the total volume of the house. Passivhaus is a voluntary standard for energy efficiency in a building which reduces the building s ecological footprint. Roof build ups for passive houses. To be designated as a passive house a building must embody a set.

Attic and roof edge for passive houses. However the premium for going passive seems limited to the super insulated nature of the building s six sides four walls roof and floor. At the same time a 250 m photovoltaic system on the roof produces renewable energy. It results in ultra low energy buildings that require little energy for space heating or cooling.

Passive house principle sketches special constructions. Click image to expa nd. A similar standard minergie p is used in switzerland. The roof trusses alone cost 20 000.

This prevents heat loss and shows that air isn t leaking in your home. In nova scotia we have a 10 000 rebate incentive for energy efficient homes so we can build a passive house for the same cost as a code built house. And the construction of the roof sheathing and shingling were all more expensive than that of the stock plan house. Passive house has a reputation for requiring ungodly amounts of insulation.

The main diagram below shows how the three passive elements roof wall and foundation link together. Passive house roof build up adhered. 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. 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. The carpenter reported that he could have got her the stock plan and all the upgrades to passive house for less than the cost of her roof. The following are six 6 estimates of the passive house premium from five 5 passive house builders. Passive house principle sketches special constructions.

The individual roof type diagrams show the detail associated with each roof type. 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. Passive house wall capping profiles.

Justin o keefe 15. Heat recovery ventilation allows for air to remain comfortable and not stuffy which is a common concern amongst passive house builders. With a heating demand of only 8 kwh m a it is uniquely energy efficient.