Gyprock v Plasterglass

Gyprock v Plasterglass

Unsure of the difference? Check out our comparison table below…

Gyprock Plasterglass
Material Compacted calcium sulfate dihydrate (Gypsum) encased and sealed with heavy duty liner paper (facer and backer) Plaster reinforced with either hemp, horse hair or copra fibre
Also referred to Plasterboard, Dry Wall, Gypsum Board Solid Plaster
Thickness 8mm, 10mm, 13mm Typically 10mm, 12.5mm
Weight/m2 10mm 8.3kg/m2, 13mm 12kg/m2 Varies, but much heavier than Gyprock
Method of fixing Adhesive at intervals between joist and Gyprock sheet and screwed from below at intervals Held in place using fibreglass or hessian straps (rovings), placed over timber joist and set with plaster. Older properties may have ceiling straps consisting of horse hair
Install Platforms Applied to timber frame, steel frame and masonry Timber roof frame
Lifespan 25 - 30 years, when maintained 50 years +, when maintained
Common issues ''Peak line'/joint cracks may appear and worsen over time if incorrectly installed. Sagging of ceiling emanating from cornices (permieter) due to insuffiencient Undulations/creases on surface of plasterglass. Sagging of plasterglass ceilings due to failure of ceiling straps
Maintenance When required - however, we recommend every 7 years When required - however, we recommend every 15 years
Cost ($$$$$) $$ $$$$$
Pros Quick to install, cheaper than plasterglass. 60mm recessed edges to assist with achieving flush joint lines Longer lasting, aesthetically pleasing, ornate, acoustic benefits, strong. Ultra-smooth finish
Cons Can appear cheap when not installed to Standard or adequately maintained. Absorbs moisture when exposed to water ingress Costly, not widely used anymore, fixing method is more involved. Dirt and debris easily absorbed at top side of ceil

Gyprock Fixings V Plasterglass Fixings

The two diagrams below illustrate the difference between a standard gyprock fixing versus a standard plasterglass fixing

Plasterglass Fixings...


Gyprock Fixings...


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At Pinnacle Roofing and Ceiling Services we pride ourselves on a friendly, reliable service combined with good honest work.

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