Passive House Details Roof Eaves

The lower edge of a roof which projects beyond the face of the wall.

Passive house details roof eaves.

A couple things have to happen to allow for a good detail. 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. Inside your home usually in the attic the eave is the angle where the roof meets the outside wall a good place for insulation as long as it doesn t get into the soffit the underside of the overhang. Note that the fascia is held back from the face of the wall to allow the air space the ability to vent up into the vented attic.

The irish standard part l 2011 for a traditional roof structure is 0 16 w m2k. See more ideas about roof detail architecture details roofing. The deerings a large new certified passive house in the hertfordshire village of harpenden is the stunning result of meticulous attention to design energy efficiency and ecological materials by its architects builders and a homeowner so taken by the experience that it led to an investment in an innovative passive house start up. The main diagram below shows how the three passive elements roof wall and foundation link together.

This is very close to the passivhaus standard 0 10 0 15 w m2k however it still does satisfy it. For the compact service unit to meet the total heat loss floor windows doors roof in addition to the external walls the u value of the wall has to be really low suitable are values. Without exception all standard sections and connection details must be planned and implemented so that there is no excessive moisture accumulation on the interior surfaces or in the building component structure. Passive house is a rigorous voluntary house building standard that focusses on energy efficiency and reducing the energy needed to run a comfortable home.

The passive house institute s enerphit criteria for refurbished buildings deals specifically with this issue. Join passive house canada as an individual company or organization and get access to technical passive house resources and forums. For a passive house will typically deliver 1000 w without a problem. The individual roof type diagrams show the detail associated with each roof type.

Jul 13 2016 explore suthapong wong s board eave detail followed by 175 people on pinterest. Fink truss attic truss the vaulted roof and the flat roof. Creating eaves is very important. All mbc passive roof systems deliver a u value of 0 10w m2k.

It may seem like a relatively new concept but the first domestic examples of passive house were built in germany in 1990 following the creation of the standard in 1988.