This cold water tank lagging jacket is ideal for insulation of cold water tanks of all types. Capacity Width Height Depth 25 Gallons 1120mm 395mm 490mm 50 Gallons 1420mm 490mm 530mm 100 Gallons 1790mm 590mm 644mm Technical Information Ideal for insulation of cold water tanks of all types. Available in contract, deluxe or super snugg version. Exceeds requirements of Water Byelaw 30 and BS 7181: 1989. Special sizes available upon request. Made in Great Britain. Jackets manufactured to BS 7181:1989. Exceed requirements of Water Byelaw 30. Resilient Polythene cover. Heavy duty fixings of tensile strength not less than 40N. Supplied compression packed in a roll form. Strong, resilient and flexible mat which is easy to handle and install.