Hush Cem Panel 28, to be laid over a structural deck of 18mm/22mm chipboard/plywood/OSB with all T&G joints glued using the Hush Cem Panel Adhesive. All perimeters of the Hush Cem Panel to be sealed and isolated using Hush Seal 20 Perimeter Strip or the Hush RD Flanking Strip. Install Hush Slab 100 between the joists. Install the Hush Bar Deep Resilient Bars to the underside of the joists. Hush Bar Deep Resilient Bars are critical as they can support the weight of the Hush MF Ceiling and the Plasterboards. Hush Bar Deep Resilient Bars to be fIxed horizontally to the joists at 600mm centres, Install two layers of 15mm Gyproc Soundbloc to the underside of the Hush Bar Deep Resilient Bars. Install the Hush MF suspended ceiling system of the Hush Bar Deep Resilient Bars to create a service void ceiling. Install 12.5mm Plasterboard to the MF Ceiling grid.