Lay-in ceiling panel

Details Lay-in ceiling panel Lay-in ceiling panel

1991-05-13

1993-04-13

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

52145, 156 39, 156 44, 156291, 181290, 181291, 181294, 428 44, 428198, 428201, 428210, 428215, 428286, 4283115, 428432, 428703, 428920, B32B 702, B32B 1304, B32B 1314, E04B 188

Patent

active

052021742

ABSTRACT:
A lay-in ceiling panel structure, comprising a glass fiber ply, a gypsum board, and a highly perforated vinyl lamina. The ceiling panel structure having noise and sound transmission reduction coefficients in the range of 0.85 to 0.95 sabins and 0.35 to 0.39 dbs respectively. This structure also provides good fire resistance, space efficiency, and a lower surface that is washable and pleasing to the eye. In addition, the glass fiber ply is secured to the gypsum board by droplets of glue which are spaced 1 to 2 inches apart and which are applied 4 to 6 inches away from the outer periphery of the gypsum board. Applying the glue in this way allows the glass fiber ply and vinyl lamina to lay flat even if the board is warped by water leaks, humidity or age.

REFERENCES:
patent: 2450911 (1948-10-01), Park et al.
patent: 3422920 (1969-01-01), Greason et al.
patent: 4607466 (1986-08-01), Allred
U.S. Gypsum Products, Accessories & Systems (pp. 10, 14 and cover page); United States Gypsum Products Company, copyright 1992.

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