Quiet spaces start with better doors

When sound is controlled, spaces become more functional, more comfortable, and more enjoyable

Acoustic door systems are essential to creating quieter, more functional spaces.

Each opening is designed to control sound, support privacy, and integrate seamlessly into the built environment. Materials and construction are optimized for performance, durability, and long-term reliability.

Our solutions deliver consistent acoustic control across a wide range of applications.

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Specifications STC

STC Rating	Door Thickness	Fire Rating	Glass Size (sq in)	Glass Type	Pair Option	Max Size	TESTING HARDWARE
50	2-1/4'' (57 mm)	Non-Rated	LB7-STC 1296 sq.in.	3/4 sound glass	Pair	8'-0'' x 10'-0''	Tested using double row S88BL Siliconseal™ Gasket, perimeter gasketing 312R, 434ARL drop seal, 2005AT threshold and 3 heavy duty hinges 5'' x 5''
45	1-3/4'' (44 mm)	45	Metal Kit only 216 sq.in. Max	7/8 Pyrostop	Single	3'-0'' x 7'-0''	Tested using S773, SA4 & ACP 112 gasket, PDB411AE drop seal, acoustic corner pad ACP112 and 3 heavy duty hinges
45	1-3/4'' (44 mm)	20	Metal Kit 216 sq.in. Max	7/8 Pyrostop	Single	4'-0" x 8'-0"	Tested using S773, SA4 & ACP 112 gasket, PDB411AE drop seal, acoustic corner pad ACP112 and 3 heavy duty hinges
45	1-3/4'' (44 mm)	Non-Rated	N/A	N/A	Pair	8'-0'' x 10'-0''	Tested using Zero International Hardware. 1 row of Weathership No.475 on door stops, 1 rabetted threshold no.564A and 1 row of spring no. 119WB on head and jambs, and on bottom rail of the door
44	1-3/4'' (44 mm)	Non-Rated	N/A	N/A	Pair	8'-0'' x 10'-0''	Tested using double S88BL Siliconseal™ gasket, 434ARL drop seal, 2005AT Threshold and 3 heavy duty hinges
43	1-3/4'' (44 mm)	Non-Rated	LB7-STC 667 sq.in.	3/4 sound glass	Pair	8'-0'' x 10'-0''	Tested using double S88BL Siliconseal™ gasket, 434ARL drop seal, 2005AT Threshold and 3 heavy duty hinges
37	1-3/4'' (44 mm)	90	Metal Kit 484 sq.in. Max	5/16'' Ceramic Lam.	Pair	8'-0'' x 9'-0''	Tested using NCG 5075B gasket, NCP 5060B gasket, NCP 896S threshold and 3 standard hinges
37	1-3/4'' (44 mm)	Non-Rated	LB7-STC 667 sq.in.	1/4'' tempered	Pair	8'-0'' x 10'-0''	Tested using double S88BL Siliconseal™ gasket, 434ARL drop seal, 2005AT Threshold and 3 heavy duty hinges
35	1-3/4'' (44 mm)	20	Metal Kit 216 sq.in. Max	5/16'' Ceramic Lam.	Single	3'-0'' x 9'-0'' ou 4'-0'' x 8'-0''	Tested using S773, SA4 & ACP 112 gasket, PDB411AE drop seal, acoustic corner pad ACP112 and 3 heavy duty hinges
35	1-3/4'' (44 mm)	Non-Rated	LB7-STC 1296 sq.in.	1/4'' tempered	Pair	8'-0'' x 10'-0''	Tested using double S88BL Siliconseal™ gasket, 434ARL drop seal, 2005AT Threshold and 3 heavy duty hinges
31	1-3/4'' (44 mm)	20	LB7-STC 1296 sq.in.	Fire lite NT 3/16''	Pair	8'-0'' x 9'-0''	Tested using double S88BL Siliconseal™ gasket, 434ARL drop seal, 2005AT Threshold and 3 standard hinges
30	1-3/4'' (44 mm)	20	LB7-STC 1296 sq.in.	Fire lite NT 3/16''	Pair	8'-0'' x 9'-0''
27	1-3/4'' (44 mm)	20	LB7-STC 1296 sq.in.	Fire lite NT 3/16''	Pair	8'-0'' x 9'-0''	Tested using double S88BL Siliconseal™ gasket, 434ARL drop seal, 2005AT Threshold and 3 standard hinges