Patent ID: 7526903

Claim:
An enclosure for HVAC equipment, wherein the enclosure has a tongue-and-groove joint the enclosure comprising: a first outer panel; an outer groove flange; an outer groove edge extending between the first outer panel and the outer groove flange; a first inner panel; an inner groove flange; an inner groove edge extending between the first inner panel and the inner groove flange; a first strip of tape joining the outer groove flange and the inner groove flange such that the outer groove flange and the inner groove flange define a groove therebetween; a second outer panel; an outer tongue flange; an outer tongue edge extending between the second outer panel and the outer tongue flange; a second inner panel; an inner tongue flange; an inner tongue edge extending between the second inner panel and the inner tongue flange; and a second strip of tape joining the outer tongue flange and the inner tongue flange to provide a tongue that is disposed within the groove.