18 ft Round Winter Covers for Above Ground Pools

An 18 ft round pool takes a 21 or 22 ft round cover; the extra is the overlap that drapes over the top rail. Pool measures 17 ft? Use this size.

14 covers available
More covers for a 18 ft round pool 5 out of stock

Questions about this size

What size winter cover fits an 18 ft round above ground pool?

A cover labeled for an 18 ft round pool. It is cut 21 or 22 ft across, depending on the brand: PoolTux and Swimline cut it 21 ft; Cypress and PoolTux cut it 22 ft. Each card shows its own cover size.

My pool measures 17 ft. Which size do I order?

Choose the next size up, 18 ft. A little more overlap still cinches down with the cable; a cover that is short will not reach under the rail.

What size air pillow for an 18 ft round pool?

The pillow sizing chart we follow recommends a 4 x 8 ft pillow for an 18 ft round pool. It sits under the center of the cover and takes the push of the ice off the walls.

Which 18 ft round cover has the longest warranty?

The PoolTux BT0018, with a 20 year warranty. Each card lists its warranty where the maker states one.

What kinds of covers are there for an 18 ft round pool?

For this size: solid covers, bundles (cover, closing kit and air pillow), a mesh cover and a leaf net. The buttons above the covers show one kind at a time.

Other round sizes

Select pool size

12 ft round15 ft round16 ft round18 ft round21 ft round24 ft round27 ft round28 ft round30 ft round33 ft round
All above ground winter covers, round and oval