March 13, 2017 wippro-front-thumb200x200

WIPPRO Klimatec 160: The Only Passive House Certified Attic Stair

Is your attic outside your thermal enclosure?  If so, access to that attic space should be carefully considered.   You want easy and comfortable access but also need to maintain the continuity of the airtightness and insulation layers.   Needless to say traditional attic stairs do not deliver the needed performance.  Until today, the best […]

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