Q. What is Metal Jacketing?

a) Metal jacketing shall be Alcan T-3000-H14 series, T-1100-H14 or approved equivalent stucco embossed aluminum with a factory applied moisture barrier of 0.015 mm minimum epoxy.

b) For piping, jacketing shall be factory rolled, minimum 0.5 mm thick, field cut to proper length. In areas where the piping may be walked on or otherwise damaged, jacketing shall be minimum 0.6 mm thick.

c)  For fittings, flanges, valves, and unions, jacketing shall be factory formed, minimum 0.5 mm thick.

d) For horizontal vessels less than 610 mm O.D., jacketing shall be minimum 0.5 mm thick. Between 610 and 2438 mm O.D., jacketing shall be minimum 0.6 mm thick, and 0.8 mm thick for vessels larger than 2438 mm O.D.

e) For vertical vessels only, 0.5 mm thick x 32 mm (pitch) x 6 mm (depth) corrugated aluminum shall be used provided wind loads have been allowed for.