In the '50s and early '60s louvers were the rage, but by the mid '60s they were almost forgotten. The popularity of the late '60s musclecars was responsible for the decline; it wasn't fashionable to ...

Line of acoustic louvers prevents the transmission of high- and low-frequency sounds generated from mechanical equipment. Airolite acoustic louvers are available in seven louver types; in aluminum or ...

A temporary home was required for the parliamentary debating chamber during the renovations of the Canadian Parliament Building in Ottawa. The solution to convert the West Block courtyard into a ...