How long does it typically take to build a 12 foot x 24 foot vinyl-lined pool? 1-2 weeks 50% Not sure 50% Next Question Question: How long does it typically take to build a 12 foot x 24 foot vinyl-lined pool? Top Answer (50% of 4 votes): Not sure. Answer: 1-2 weeks Explanation: About 4 hours in one day! DIG-M-INSTALLERS, INC Next Question Find Local Pros Free Pools - Build or Install Cost Estimates Related Questions Are fiberglass pools more durable than concrete pools?Top answer: In some cases How Much Does Pool Replastering Cost? How Much Does Pool Resurfacing Cost? How Much Does Pool Heater Installation Cost? How Much Does a Gas Pool Heater Cost?