Framery Oy

Samu Hällfors

Joonas Vartola

Lasse Karvinen

Olli Laaksonen

Jarno Lehtinen

Ville Puolimatka

Pekka Toivola

Miika Hällfors

Timo Inkinen

Janne Haveri

Mikko Tamminen

Maiju Saarelma

Henrik Ashorn

Salla Wallinmaa

A wall structure with a first dampening element (A) includes at least one layer (-) configured to form an acoustic inner surface and/or to dampen sound; a first stopping element (B) including at least one layer () configured to stop sound; a second dampening element (C) including at least one layer () configured to form an acoustic inner surface and/or to dampen sound; and a second stopping element (D) comprising at least one layer () configured to stop sound; wherein the layers of the first (A) and second (C) dampening element comprise porous and/or open cell material.

Wall structure

Portable office/meeting room

Telephone booth

A sound proof space, a ventilation system, and a method of ventilating a soundproof space, the ventilation system including at least one fan positioned at least one air inlet aperture or at least one air outlet aperture for sucking air therethrough and providing an air flow; at least one ventilation aperture for guiding air into the space to be ventilated; at least a first and a seconder air channel. The first and the second air channel are formed respectively into a single layer of a sandwich-type wall, roof or floor structure of the space to be ventilated; and the first and the second air channel are joined at one end thereof to form an indirect air path from the air inlet aperture to the ventilation aperture.

Ventilation system and method

Portable meeting room

Portable building

Growing community of inventors

Tampere, Finland

Samu Hällfors