COMPARATIVE ANALYSIS OF PLASTER & GLASSCOAT
PLASTER
POOL CONDITIONS
GLASSCOAT
As plaster wears, roughness
increases. Quartz and pebble
plaster becomes rough with age.
ROUGH SURFACES
Glasscoat is always smooth.
No scratched feet.
Any substantial pool movement
can cause cracks and leaks.
STRUCTURAL CRACKS
Adds structural strength to pool
shell. Prevents leaking.
Little resistance to stains and blemishes, even if surface has been recently applied.
BLEMISHES AND STAINS
Glasscoat has a resistance to stains, with easily cleaned surface.
Algae adheres to porous surfaces.
ALGAE RESISTANCE
Smooth, dense, non-porous surface prevents algae from adhering.
High chemical requirement at all times. Reactive surface.
CHEMICAL DEMAND
Noticeable reduction in chemical usage due to the inert nature of GLASSCOAT. Makes pool chemicals more efficient.
Unsightly when stained/deteriorated.
ATTRACTIVENESS
Maintains attractive appearance.
Depends on application. Replaster often separates from original surface (poor adhesion). Material limitations reduce the durability of plaster.
DURABILITY
The superior corrosion resistant and inert properties of GLASSCOAT ensure exceptional durability.
Very sensitive to incorrect water chemistry. Plaster surface easily compromised.
WATER CHEMISTRY
Inert surface less sensitive to out-of-balance water chemistry – a very forgiving surface.
Because of material limitations, very limited warranty offered (workmanship only).
WARRANTY
Applied by specialists. More comprehensive warranty offered.
Varies and depends on water chemistry, maintenance regime, plaster mix and application technique. Average is 5–7 years.
LIFE EXPECTANCY
Far exceeds service life of plaster. Time tested with 30 years industry experience.
Complicated. Requires brushing and attention.
START-UP
Simple. No brushing needed. Allow to cure, then start-up.
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Peter Gibson
Our Expert Specifying / Corrosion Engineer
Technical Affiliations:
SPI – Composites Institute
ACMA – American Composites Manufacturers Association
SSPC – Society for Protective Coatings
NACE – The Corrosion Society
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Interested in more information about Fiberglass swimming pools? Check out Aqua Magazine or read our Certified Pool Resurfacing brochure.
