Lining ceiling Gib for large area require back block to hold joints together. Fixing spacing at every 300mm at primeter and one at centre of Gib board on the ceiling batten. Gib adhesives is glue on ceiling batten avoiding any fixing points

Joint of two board is to hold with timber batten with nails between to puch joint up and creat a curve in for plastering

Polyster fiber insulation with R3.2 value use for ceiling and R2.2 for wall

Cutting by knife or saw, insulation should be cut and fit firm inside of wall space and not protude or having large gap allow air to flow through

Any small gaps should all be fill between the framing

Scriber is to be cut with protude out of joinery 3mm or more evenly. finish cut of 45 degree angle on bottom

 Soffit moulding joint with 45 degree cut and rebate side showing. moulding should be push tight against the soffit and wall cladding as mush as possible