Gyproc Lay-in Grid Ceilings

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1 are a lightweight ceiling system available in concealed or exposed grid options. They present an attractive pre-finished white ceiling and a range of decorative effects are possible by selecting the desired tile or plank edge profile and finish. Pre-finished tile options include smooth, textured, patterned or perforated effects. Pre-finished plank is available in smooth or perforated options. Key facts Main T Gyptone plank Concealed or exposed grid options Attractive pre-finished white surface Wide range of ceiling tiles and planks giving smooth, textured, patterned or perforated effects Provides sound attenuation and absorption Electrical and other services accommodated in plenum Will support loads up to 3kg per tile without a pattress Sector Guide Offices Commercial Retail Sport & Leisure Education Healthcare Industrial Auditoria Custodial Entertainment Residential - Housing Residential - Apartments Residential - High Rise 30

2 T F E enquiries@gyproc.ie COMPONENTS Gypframe metal products Main Beam 4mm Main T section 5mm Main T section Length 3600mm Edge details A Exposed grid E5 Recessed grid Cross T 4mm Cross T section 5mm Cross T section Length 600, 00mm D Concealed grid Wall Angle 4 x 4, 4 x 9 and 9 x 9mm Wall Angles Length 3000mm Insulation products Shadowline Moulding Shadowline Moulding for Gyptone planks. Isover Insulation products Length 3000mm Metal products by others Proprietary suspension wire and soffit fixing components Ceiling tile and plank products A wide range of products are available in Gyprex, Casoprano and Gyptone options. Health and Safety Safety Data Sheets for all Gypsum Industries products are available to download from our website: or via the Technical Sales Department. 3

3 INSTALLATION OVERVIEW Gyptone, Casoprano and Gyprex tiles Wall Angle is fixed to the walls at 300mm centres. Main Beam sections are installed at 00mm centres, suspended from the structural soffit at 00mm centres along their length. Hangers should be located close to the intersection of the Main Beam and 00mm Cross T to facilitate demounting of the tiles from the grid. 00mm Cross T s are installed at 600mm centres along the lengths of the Main Beam, followed by the installation of the 600mm Cross T at the mid-point of the 00mm Cross T sections to form the 600mm x 600mm grid. Gyptone planks Shadowline moulding is fixed to the wall at 300mm centres. Reduce the Main T sections by a maximum of 0mm, in relation to the width of the room or corridor and fit into the Shadowline moulding on the recessed flange. There is no requirement to install hangers to support the intermediate Main T sections. Hangers may be required to support perimeter Main T sections where two or more spanning sections adjoin. Main T sections should not be joined. Gyptone planks are located on the lower flanges of the Shadowline moulding. A and E5 edge type tiles are laid into the grid on a progressive basis, resting the tiles on top of the flanges of the T sections. The D edge type tiles are installed using the metal sections on the back of the tile to key over the T sections. Fit cut tiles next to the walls last at a maximum of mm from the wall. 3

4 T F E enquiries@gyproc.ie DESIGN Planning - key factors Ceilings should be set out from the centre to give balanced widths of tiles at the perimeter. A number of grid layouts are possible, depending on the grid selected and the choice of ceiling tile or plank. NB Designers and installers should take due regard of EN 3964, suspended ceiling - requirements and test methods. Relative humidity (RH) The grid is suitable for use in heated occupied buildings in conditions up to 90% relative humidity (RH90). Casoprano and Gyprex tiles are suitable up to RH90 and Gyptone tiles and planks up to RH70. Cavity barriers Where cavity barriers are required, they can be formed using Gyproc FireLine or Glasroc F Multiboard screw-fixed to a simple metal or timber frame. The framing should be fixed to the structure to avoid undue loading of the ceiling suspension grid. The bottom of the framework should be fixed to the ceiling grid. Fire-stopping It is necessary to provide suitable non-combustible firestopping material at the junction of a cavity barrier with the structural perimeter and the ceiling. Fire-stopping must also be provided around any service penetrations through the cavity barrier. Water vapour control The surface of Gyprex tiles has a water vapour resistance of 45MNs/g. Whilst the vinyl surface can provide an effective vapour control layer, it may be necessary to complete the integrity where the boards abut metal grid sections. This is achieved by sealing with continuous beads of water vapour resistant mastic, which should be applied to the back of the metal sections prior to inserting the tiles. Care should be taken to ensure that the mastic sealant does not damage the vinyl surface of the tiles. Fixtures Unperforated Gypsum Industries ceiling tiles will support a point load of up to 3kg / tile for maximum mm deflection (kg / tile for D edge tiles). This will normally allow items such as spotlights and down-lighters to be installed without the need for a support pattress. A support pattress should, however, be installed where the prevailing environmental conditions exceed 5 C and RH70, or where the size of the cut-out required is greater than 50mm diameter or 50mm square. Perforated tiles should not be used to support fixtures. Apertures for spotlights and down-lighters can be cut into Gyproc ceiling tiles using a circular tank cutter on a power drill or using a pad saw. When using D edge tiles, the grid should not be point loaded with more than 0.5kg between points of suspension. Distributed loads may be max. kg/m of section. Built-in light fittings that are placed between grid sections are suspended separately. Gyptone plank must not be loaded. Light fittings and other fixtures should be independently supported. If mineral wool is placed above the ceiling, the maximum self supporting distance is reduced to 800mm. Hangers should be used for increased spans. Services The ceiling void above the suspension grid can be used to route all service requirements including ducting, pipework, electrical cables, and conduits. Ducting, ventilation units, etc, must be independently supported from the structure. Maintenance Ceiling tiles and planks can be cleaned using a damp cloth or soft brush. Most standard mild detergents can be used. Tiles other than Gyprex can be re-decorated if required using a suitable emulsion paint and a short-haired brush or roller (spray painting will impair sound absorption). Other precautions, such as cavity ventilation, may be necessary to reduce the risk of interstitial condensation. Speech clarity In order to achieve optimum speech clarity throughout an entire room environment, Casoprano voice (sound absorbing) and Casoprano forte (sound insulating) tiles can be used in combination without changing the visual appearance of the ceiling area. Refer to Casoprano product literature, available to download from 33

5 CONSTRUCTION DETAILS Lay-in grid with interlocking Main Beam and Cross T sections for square edge A and rebated edge E5 type tiles 6 5 B C E D 7 A 3 4 Lay-in grid with interlocking Main Beam and Cross T sections for square edge D conceald grid edge type tiles D or E 3 B A C Main Beam Cross T 00mm Wall angle Shadowline moulding Suspension wire 6 7 Soffit cleat Cross T 600mm NB These details are for illustrative purposes only. Precise details will vary according to the proprietary grid system used. 34

6 T F E enquiries@gyproc.ie 3 Lay-in exposed grid for Gyptone Plank A Main Beam Shadowline Moulding 35

7 ACOUSTIC PERFORMING TILES AND PLANKS AVAILABLE FOR THE GYPROC LAY-IN GRID SYSTEMS GYPREX A vinyl faced, wipe clean tile ideal for use in hygenic areas, with Gyprex BIO containing an active Biocide. SATINSPAR BIO A 00 x 600 x CASOPRANO A range of pre-finished white gypsum tiles in a choice of smooth or textured finishes, with perforated or un-perforated versions for sound absorption or insulation. ROC - plain white. ALTO - perforated (sound reflecting). E5 600 x 600 x STAR - lightly pinned. NOVA - perforated (sound absorbing). A 600 x 600 x E5 600 x 600 x BIANCA - fine granulated texture. FORTE - fissured (sound reflecting). OLA - perforated (sound absorbing). A 600 x 600 x VOICE - fissured (sound absorbing). A 600 x 600 x E5 600 x 600 x

8 T F E enquiries@gyproc.ie GYPTONE TILES Decorative, perforated and pre-finished gypsum suspended ceiling tiles with integral sound absorbent backing tissue. BASE 3 A 600 x 600 x.5 9 D 600 x 600 x.5 9 E5 600 x 600 x.5 9 QUATTRO D 600 x 600 x.5 8 E5 600 x 600 x.5 8 LINE 4 POINT E5 600 x 600 x.5 8 E5 600 x 600 x.5 8 QUATTRO 0 POINT D 600 x 600 x.5 8 E5 600 x 600 x.5 8 E5 600 x 600 x.5 8 GYPTONE PLANKS Decorative, perforated and pre-finished gypsum suspended ceiling planks with integral sound absorbent backing tissue. BASE 33 QUATTRO 55 E5/A 800 x 300 x.5 9 E5/A 00 x 300 x.5 9 E5/A 800 x 300 x.5 8 E5/A 00 x 300 x.5 8 LINE 8 POINT 5 E5/A 800 x 300 x.5 8 E5/A 00 x 300 x.5 8 E5/A 800 x 300 x.5 8 E5/A 00 x 300 x

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