Elephant Plasterboard Lining Requirement 2 Layers to Underside of framing
E2SC15-S20
15/15/15 LB
49
43
2 x 10mm Elephant Standard Plus
(S20)
E2SC30-S26
30/30/30 LB
50
43
2 x 13mm Elephant Standard Plus
(S26)
E2SC45-M20
45/45/45 LB
50
43
2 x 10mm Elephant Multiboard
(M20) (MS26)
E2SC60-MS26 60/60/60 LB
51
43
1 x 13mm Elephant Standard Plus AND 1 x 13mm Elephant Multiboard
E2SC75-M26
75/75/75 LB
53
43
2 x 13mm Elephant Multiboard
(M26)
E2SC90-M32
90/90/90 LB
53
43
2 x 16mm Elephant Multiboard
(M32)
Fixing the Lining Framing Timber floor joists shall comply with NZS3604 with a minimum depth of 200mm and spaced at no more than 600mm centres. Alternatively, a proprietary I-joist system may be used subject to specific structural design and approved by the normal building consent process.
Flooring Flooring shall be 20mm thick particle board of 17mm thick structural ply, fixed to the joists as per manufacturer’s instructions. Nogs are required behind sheet joints.
Suspension System ®
USG Donn ScrewFix™ steel frame suspension system comprising 2.5mm wire hangers at 1200mm centres supporting DJ38 strongback channels spaced at a maximum of 1200mm centres and FC37 furring channels at 600mm centres. Any alternative suspension system with at least equivalent layout and materials properties, strength and stiffness may be used.
Lining (As per Specified System Above) Two layers of Elephant Plasterboard as per specified system above, fixed to steel furring channels. Offset the joints of the outer layer by 600mm from those of the inner layer. All sheet butt joints should occur on the furring channel. Sheet joints shall be touched fitted.
Fasteners (As per Specified System Above) Inner Layer Outer Layer Plasterboard Thickness Self Tapping Drywall Screws. 10mm 25 x 6g 32 x 6g 13mm 25 x 6g 41 x 6g 16mm 32 x 6g 41 x 6g Fastening Centres Ceiling sheets shall be fixed at 200mm centres along each furring channel, around the ceiling perimeter and at 100mm centres where butt joints occur. Fasteners to be placed no closer than 12mm from sheet edge.
Wall/Ceiling Junction The internal angle between the ceilings and walls must be protected by Cornice or square stopped corners taped and filled in accordance with Elephant Plasterboard Installation Manual
Jointing Inner layer: Unstopped. Outer Layer: All fastener heads stopped and all sheet joints reinforced with paper jointing tape and stopped in accordance with the publication entitled Elephant Plasterboard Installation Manual.
Impact Insulation Class (IIC) The IIC rating stated in the Non-acoustic Systems in the table above is based on a bare floor finish. N.B. The Elephant Plasterboard Fire and Acoustic Numbering System and the sub-components thereof are protected by copyright.