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I recently had my way to hot whenever the sun is up metal building covered with closed cell foam. I plan on installing white liner panels to the girt marked in yellow. Any recommendations on a color for the foam that will be between the liner panels and the roof insulation? This was an in...

Box fill confusion Currently planning electrical for my 40 x 40 metal building. I am running 4 circuits 14ga THHN through 3/4 EMT into junction box represented by the blue square. 8 CCC in conduit 70% derate so 25 amps allowed at 90C 25a x 0.7= 17.5 amps 15 amp breaker due to max allowable...