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2. Perforated metal - Wikipedia

   en.wikipedia.org/wiki/Perforated_metal

   Perforated metal has been utilized across a variety of industries including, but not limited to: Ceiling of Culture Palace (Tel Aviv) concert hall is covered with perforated metal panels Perforated steel Marston Matting airfield. Architectural - infill panels, sunshade, cladding, column covers, metal signage, site amenities, fencing screens ...

3. Chicago Metallic Corporation - Wikipedia

   en.wikipedia.org/wiki/Chicago_Metallic_Corporation

   The company was noted by the Chicago Tribune as “one of the largest global manufacturers and suppliers of roll-formed ceiling grid, stamped metal decorative ceiling panels and related products”. [1] The company was owned by the Jahn family from 1938 to 2013. On August 19, 2013, the company was acquired by Rockwool International. The ...

4. Hendrick Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Hendrick_Manufacturing_Company

   Hendrick Manufacturing Company is an American perforated metal manufacturer founded in 1876 in Carbondale, Pennsylvania, where it is still based.Over the years, additional manufacturing locations were established in California, Tennessee, Kentucky and Illinois.

5. Marston Mat - Wikipedia

   en.wikipedia.org/wiki/Marston_mat

   RAF aircrew with one of their Bristol Beaufighters on a PSP airstrip at Biferno, Italy, August 1944. Marston Mat, more properly called pierced (or perforated) steel planking (PSP), is standardized, perforated steel matting material developed by the United States at the Waterways Experiment Station shortly before World War II, primarily for the rapid construction of temporary runways and ...

6. Wunderlich (panels) - Wikipedia

   en.wikipedia.org/wiki/Wunderlich_(panels)

   Initially the panels were imported from Berlin, Germany but later patents were taken out and the panels were manufactured in Australia. [1] The panels were produced until the 1950s when popular tastes changed away from these traditional elements. In 1983, production of the panels recommenced to meet the needs of restorations of period buildings ...

7. Architectural acoustics - Wikipedia

   en.wikipedia.org/wiki/Architectural_acoustics

   Interior building surfaces can be constructed of many different materials and finishes. Ideal acoustical panels are those without a face or finish material that interferes with the acoustical infill or substrate. Fabric covered panels are one way to heighten acoustical absorption. Perforated metal also shows sound absorbing qualities. [7]