Passive House Flat Roof Details

Passive wall mbc timber frame.

Passive house flat roof details.

Speaking to passive house plus the company s hugh whiriskey emphasised that with more and more designers now specifying vapour control membranes in flat roof constructions it is crucial each roof structure is correctly designed to prevent any moisture issues from arising. Passive house buildings have been described as the most comfortable due to them offering excellent thermal performance and exceptional airtightness. Alwitra flat roof details. The main diagram below shows how the three passive elements roof wall and foundation link together.

Shedding water is always the essential first step in preventing leaks and keeping your roof safe. The individual roof type diagrams show the detail associated with each roof type. See how the dryseal system fits into a range of installations. Intelligent design of the twin wall and foundation junction provides a break free continuous barrier that essentially envelops the structure in a thick layer of insulation.

Green roofs not only look beautiful they prevent flooding and protect the environment. Don t go thinking that modern houses with flat roofs only look good though as these innovative designs actually have practical properties as well. Again like before i have taken the two most common. For a start there are no tricky gable end spaces to try and navigate when opening up the upper levels in flat roof houses plus you can use the roof itself as an outdoor terrace which will be a huge benefit for anyone with restrictive garden.

The new york architect chris benedict leads in the right direction by going further using 1 2 12 flat roofs. To gain a deeper understanding of the passivhaus standard it is crucial to examine the difference between traditional irish roof systems and passive roofs. Principle sketches of flat roofs for passive houses available as downloads in dwg dxf and pdf formats free of charge. They offer energy efficiency ratings in band a.

The roof maker passive house flat rooflight passive house drives both innovation and design with a focus on energy efficiency and a carbon neutral offering. All mbc passive roof systems deliver a u value of 0 10w m2k. Passive houses when sold can command a premium on the open market due to their low running costs with some house builders boasting annual heating bills as low as 60. Minimum flat roof pitch 2 1 4 12 and 3 3 8 12 when considering potential deflection.

The mbc passive wall system delivers a u value of 0 12w m2k and is designed to perform to its optimum level when used in tandem with our passive foundation system. This is very close to the passivhaus standard 0 10 0 15 w m 2 k however it still does satisfy it.