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Gyprock v Plasterglass

Unsure of the difference? Check out our comparison table below...
MaterialCompacted 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 toPlasterboard, Dry Wall, Gypsum BoardSolid Plaster
Thickness8mm, 10mm, 13mmTypically 10mm, 12.5mm
Weight/m210mm 8.3kg/m2, 13mm 12kg/m2Varies, but much heavier than Gyprock
Method of fixingAdhesive at intervals between joist and Gyprock sheet and screwed from below at intervalsHeld 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 PlatformsApplied to timber frame, steel frame and masonryTimber roof frame
Lifespan25 - 30 years, when maintained50 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 insuffiencientUndulations/creases on surface of plasterglass. Sagging of plasterglass ceilings due to failure of ceiling straps
MaintenanceWhen required - however, we recommend every 7 yearsWhen required - however, we recommend every 15 years
Cost ($$$$$)$$$$$$$
ProsQuick to install, cheaper than plasterglass. 60mm recessed edges to assist with achieving flush joint linesLonger lasting, aesthetically pleasing, ornate, acoustic benefits, strong. Ultra-smooth finish
ConsCan appear cheap when not installed to Standard or adequately maintained. Absorbs moisture when exposed to water ingressCostly, not widely used anymore, fixing method is more involved. Dirt and debris easily absorbed at top side of ceiling (in roof cavity)

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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If you are concerned about the condition of your ceilings, contact Pinnacle Roofing & Ceiling Services now on 0433 506 417 to arrange a free quotation.

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Contact us for your FREE quote

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0433 506 417
PO Box 584, South Perth, WA 6951

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