|
Piwis Sizing Chart
 | ROLL LENGTH | |
Pool Size
|
3M
|
6M
|
9M
|
12M
| | 
ABOVE GROUND POOLS | |
15’ dia
|
No of Rolls Reqd.
|
8
|
4
|
3
|
2
| |
18’ dia
|
No of Rolls Reqd.
|
12
|
6
|
4
|
3
| |
21’ dia
|
No of Rolls Reqd.
|
16
|
8
|
6
|
4
| | |
19’ x 12’
|
No of Rolls Reqd.
|
12
|
6
|
4
|
3
| |
23’ x 12’
|
No of Rolls Reqd.
|
12
|
6
|
4
|
3
| |
30’ x 15’
|
No of Rolls Reqd.
|
20
|
10
|
7
|
5
| |
33’ x 18’
|
No of Rolls Reqd.
|
24
|
12
|
8
|
6
| |
Note. Surface collector sizing has been reduced for above ground
pools as these pools absorb heat through their side walls.
|
 | ROLL LENGTH |  | | |
Pool Size
|
|
3M
|
6M
|
9M
|
12M
| | | | |
24’ x 12’
|
No of Rolls Reqd.
|
18
|
9
|
6
|
5
| 
INGROUND POOLS | |
28’ x 14’
|
No of Rolls Reqd.
|
24
|
12
|
8
|
6
| |
30’ x 15’
|
No of Rolls Reqd.
|
28
|
14
|
9
|
7
| |
32’ x 16’
|
No of Rolls Reqd.
|
-
|
16
|
11
|
8
| |
36’ x 18’
|
No of Rolls Reqd.
|
-
|
20
|
13
|
10
| |
40’ x 20’
|
No of Rolls Reqd.
|
-
|
25
|
17
|
12
|
|
