Passive House Roof Construction

A breather membrane is secured to the medivent boarding while the internal 12 5mm pro passive airtight board is sealed with airtight tape at junctions ensuring the house is completely airtight and draught free.

Passive house roof construction.

The joint between the zip sheathing on the walls and ceiling were taped and sealed in order to create a continuous air barrier. Fink truss attic truss the vaulted roof and the flat roof. In nova scotia we. The zip sheathing continues onto the ceiling plane of the roof trusses.

This is very close to the passivhaus standard 0 10 0 15 w m2k however it still does satisfy it. Click image to expa nd. 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. 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.

All mbc passive roof systems deliver a u value of 0 10w m2k. The north park passive house is a six unit urban infill condominium on vancouver island bc passive house construction on vancouver island building the first certified passive house on vancouver island a duplex shared with our son mark s family convinced us that the market in victoria was ready for passive house ma. The roof trusses alone cost 20 000. The irish standard part l 2011 for a traditional roof structure is 0 16 w m2k.

35mm timber battens are fixed to the pro passive board to create a service cavity in which electrics and plumbing services can be fitted. The system is intended to be used with reinforced concrete construction with eifs and comprises an exterior insulation finishing system of g eps 0 033 w mk installed using compatible adhesive materials. And the construction of the roof sheathing and shingling were all more expensive than that of the stock plan house. The individual roof type diagrams show the detail associated with each roof type.

The vedag roof waterproofing system ensures both comprehensive weather proofing and passive house standard thermal protection. The roof is constructed of manufactured trusses with loose fill cellulose insulation r 90. The main diagram below shows how the three passive elements roof wall and foundation link together.