question on foil in my rack !!

[Jonnyb]

Just finished building a one shelf rack to hold 5 6QT tubs im using 5"flexwatt heat tape on the belly before i screw the back wall on should i cover the back wall in foil tape to keep the heat in ? i think i twould make sense wouldnt it ?

[RichsBallPythons]

No need. The wood holds heat in well.