The most common CorGal tanks in use are the tanks with 30-degree roofs. This standard tank consists of corrugated galvanized steel wall sheets with a 30-degree galvanized steel roof system. The standard 30-degree roof tanks are equipped with a geotextile preliner and a flexible membrane main liner for water containment.

The corrugated high-rib roof (CHR) design is standard on all models 12′ diameter and larger. The 6′, 8′, and 9′ diameter models have a flat-seam (FS) roof as standard but the corrugated high-rib roof is available as an option.

The 30-degree roof tanks are pre-engineered for water storage in a seismic zone 2B with a 90 MPH wind speed at a UBC Exposure C location. Roof snow load ratings are available for specific locations.

Water Storage Tank 30-Degree Roof

STANDARD ROOF TANK SIZES BY DIAMETER

ModelDiameterEave HeightPeak HeightGallons
0601-WT-FS63'-8"5'-2"700
0602-WT-FS67'-3"8'-9"1500
0603-WT-FS610'-9"12'-4"2200
0604-WT-FS614'-4"15'-10"3000
0605-WT-FS617-11"19'4"3700
0606-WT-FS621'5"23'-1"4500
0601-WT-FS6′3’8”5’2”700
0602-WT-FS6′7’3”8’9”1500
0603-WT-FS6′10’9”12’4”2200
0604-WT-FS6′14’4”15’10”3000
0605-WT-FS6′17’11”19’4”3700
0606-WT-FS6′21’5”23’1”4500
0601-WT-CHR6′3’8”5’8”700
0602-WT-CHR6′7’3”9’3”1500
0603-WT-CHR6′10’9”12’9”2200
0604-WT-CHR6′14’4”16’4”3000
0605-WT-CHR6′17’11”19’11”3700
0606-WT-CHR6′21’5”23’5”4500
0801-WT-FS8′3’8”5’10”1300
0802-WT-FS8′7’3”9’5”2700
0803-WT-FS8′10’9”12’11”4000
0804-WT-FS8′14’4”16’6”5300
0805-WT-FS8′17’11”20’1”6700
0806-WT-FS8′21’5”23’7”8000
0801-WT-CHR8′3’8”6’2”1300
0802-WT-CHR8′7’3”9’9”2700
0803-WT-CHR8′10’9”13’3”4000
0804-WT-CHR8′14’4”16’10”5300
0805-WT-CHR8′17’11”20’5”6700
0806-WT-CHR8′21’5”23’11”8000
0901-WT-FS9′3’8”6’1”1700
0902-WT-FS9′7’3”9’7”3400
0903-WT-FS9′10’9”13’2”5000
0904-WT-FS9′14’4”16’9”6700
0905-WT-FS9′17’11”20’3”8400
0906-WT-FS9′21’5”23’10”10000
0901-WT-CHR9′3’8”6’6”1700
0902-WT-CHR9′7’3”10’1”3400
0903-WT-CHR9′10’9”13’7”5000
0904-WT-CHR9′14’4”17’2”6700
0905-WT-CHR9′17’11”20’9”8400
0906-WT-CHR9′21’5”24’3”10000
1201-WT-CHR12′3’8”7’3”3000
1202-WT-CHR12′7’3”10’9”6100
1203-WT-CHR12′10’9”14’4”9000
1204-WT-CHR12′14’4”17’11”12000
1205-WT-CHR12′17’11”21’5”15000
1206-WT-CHR12′21’5”25’0”18000
1501-WT-CHR15′3’8”8’1”4800
1502-WT-CHR15′7’3”11’8”9500
1503-WT-CHR15′10’9”15’2”14000
1504-WT-CHR15′14’4”18’9”18000
1505-WT-CHR15′17’11”22’4”23000
1506-WT-CHR15′21’5”25’10”28800
1801-WT-CHR18′3’8”8’11”6900
1802-WT-CHR18′7’3”12’6”13000
1803-WT-CHR18′10’9”16’1”20000
1804-WT-CHR18′14’4”19’7”27000
1805-WT-CHR18′17’11”23’2”33000
1806-WT-CHR18′21’5”26’9”40000
2101-WT-CHR21′3’8”9’10”9400
2102-WT-CHR21′7’3”13’4”18000
2103-WT-CHR21′10’9”16’11”27000
2104-WT-CHR21′14’4”20’6”36000
2105-WT-CHR21′17’11”24’0”46000
2106-WT-CHR21′21’5”27’7”55000
2401-WT-CHR24′3’8”10’8”12000
2402-WT-CHR24′7’3”14’3”24000
2403-WT-CHR24′10’9”17’9”36000
2404-WT-CHR24′14’4”21’4”48000
2405-WT-CHR24′17’11”24’10”60000
2406-WT-CHR24′21’5”28’5”72000
2701-WT-CHR27′3’8”11’0”15000
2702-WT-CHR27′7’3”14’6”30000
2703-WT-CHR27′10’9”18’1”45000
2704-WT-CHR27′14’4”21’8”61000
2705-WT-CHR27′17’11”25’2”76000
2706-WT-CHR27′21’5”28’9”91000
3001-WT-CHR30′3’8”11’10”19000
3002-WT-CHR30′7’3”15’5”38000
3003-WT-CHR30′10’9”18’11”56000
3004-WT-CHR30′14’4”22’6”75000
3005-WT-CHR30′17’11”26’1”94000
3006-WT-CHR30′21’5”29’7”112000
3301-WT-CHR33′3’8”12’8”23000
3302-WT-CHR33′7’3”16’3”46000
3303-WT-CHR33′10’9”19’10”68000
3304-WT-CHR33′14’4”23’4”91000
3305-WT-CHR33′17’11”26’11”114000
3306-WT-CHR33′21’5”30’6”136000
3601-WT-CHR36′3’8”13’7”27000
3602-WT-CHR36′7’3”17’1”54000
3603-WT-CHR36′10’9”20’8”81000
3604-WT-CHR36′14’4”24’3”108000
3605-WT-CHR36′17’11”27’9”135000
3606-WT-CHR36′21’5”31’4”162000
3901-WT-CHR39′3’8”15’1”26000
3902-WT-CHR39′7’3”18’8”58000
3903-WT-CHR39′10’9”22’2”89000
3904-WT-CHR39′14’4”25’9”121000
3905-WT-CHR39′17’11”29’4”153000
3906-WT-CHR39′21’5”32’10”185000
4201-WT-CHR42′3’8”16’0”30000
4202-WT-CHR42′7’3”19’7”67000
4203-WT-CHR42′10’9”23’1”104000
4204-WT-CHR42′14’4”26’8”141000
4205-WT-CHR42′17’11”30’3”178000
4206-WT-CHR42′21’5”33’9”214000
4801-WT-CHR48′3’8”17’8”36000
4802-WT-CHR48′7’3”21’3”85000
4803-WT-CHR48′10’9”24’9”132000
4804-WT-CHR48′14’4”28’4”180000
4805-WT-CHR48′17’11”31’11”229000
4806-WT-CHR48′21’5”35’5”276000
6001-WT-CHR60′3’8”20’9”56000
6002-WT-CHR60′7’3”24’4”132000
6003-WT-CHR60′10’9”27’10”206000
6004-WT-CHR60′14’4”31’5”282000
6005-WT-CHR60′17’11”35’0”358000
6006-WT-CHR60′21’5”38’6”432000
7201-WT-CHR72′3’8”24’6”81000
7202-WT-CHR72′7’3”28’1”190000
7203-WT-CHR72′10’9”31’7”297000
7204-WT-CHR72′14’4”35’2”406000
7205-WT-CHR72′17’11”38’9”515000
7206-WT-CHR72′21’5”42’3”622000
75XX-WT-CHR75′3’8” – 21’5”
82XX-WT-CHR82′3’8” – 21’5”
85XX-WT-CHR85′3’8” – 21’5”
90XX-WT-CHR90′3’8” – 21’5”
105XX-WT-CHR105′3’8” – 21’5”
120XX-WT-CHR120′3’8” – 21’5”
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All capacities are rounded.  Actual tank capacities will vary due to location of flanges and structural design.