Geir Jensen
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Geir Jensen is an inventor and former fire-protection engineering consultant. He is particularly engaged in multi-discipline solutions within fire-safety communities and for the design of fire-protection products.

The world’s high-rise structures in wood are fire protected by vents that block flames even when you see the flames through them before they seal up. This is the Mjos Tower, currently the world’s highest wooden residential building.
Articles
See-through flame protection

If you look up through rainscreen cladding you may see all the way up, past a number of cavity fire barriers. This see-through gap is the path of free-flowing air that keeps the cavity dry. In fire, the see-through gap…