| Warranty |
Lifetime by the
Manufacturer |
1-5 years by contractor |
Liner seams only |
| Installation Time |
5-15 days, ready for decking
using few (if any)
subcontractors. |
8-12 weeks using many
different subcontractors. |
2-3 weeks using few
subcontractors. |
| Shapes of Pools |
Limited to the models of
the manufacturer. |
Unlimited |
Limited to the models of
the manufacturer. |
| Price of Pools |
Average |
High |
Average |
| Estimated Chemical Used |
Surface does not alter
water’s chemical balance.
Substantially fewer
chemical used. |
Plaster reacts with water to
raise pH levels. Uses
substantially more acid &
chlorine to counterbalance
this chemical reaction. |
Surface does not alter
water’s chemical balance.
Fewer chemicals used. |
| Estimated Electricity Use |
Circulate water 4-6 hours
daily. |
Circulate water 8-10 hours
daily. |
Circulate water 5-7 hours
daily. |
| Surface Texture |
Smooth, non-abrasive to
skin or swim suits,walking
and seating areas are
textured for slip resistance. |
Rough, causes skin
abrasions to feet, hands,
and swim wear. |
Slippery, easily punctured
or torn by toys, pets or
resurfacing rocks. |
| Algae Penetration |
Algae sweeps off with wall
brush. |
Algae grows and is
harbored in pores of gunite.
Acid baths and scrubbing
required to remove algae |
Seams of liner harbor algae. |
Estimated Maintenance
Time |
1/2 hour per week
minimum |
4-5 hours per week |
2-3 hours per week |
| Major Renovation |
None |
Re-marcite or re-plaster at
5-7 years. |
Vinyl liner needs to be
replaced every 7-9 years |
| Stairs and Seating |
Built into pool shell |
Optional & additional cost. |
Optional & additional cost |
| Quality Control |
Manufactured in
environmentally controlled
factory under stringent
quality control standards |
Manufactured on-site. No
environmental control. Kit
manufactured in factory. |
Quality of on-site assembly
varies by installer |
| Type of Coping |
Fiberglass or concrete |
Concrete |
Aluminum (which easily
corrodes) |
| Loan Acceptance |
Excellent |
Good |
Fair |