The Deluxe RC-1 HD is a resilient channels are manufactured with a wide 1-1/2" top flange and a 1/2" nailing flange, giving the channel 1/2" furring height from the face of the wall stud. RC1-HD is produced from galvanized steel.
Sound Transmission Loss Test Report (#TL21-339)
All Accessories are fabricated from prime galvanized steel G40 (G60 upon request) zinc coating by the hot dipped method, conforming to steel and coating specification ASTM A-653/A-653M or zinc alloy meeting ASTM B-69.