Lining oven with aluminum foil causes warping ??

12 years ago

My sister's GE appliance guy came over to replace her brand new GE Monogram oven because the bottom of it was already warped after two weeks of usage! It seems that with a hidden bottom heat element, you cannot line with aluminum foil as it acts as a heat conductor, trapping heat underneath the foil which cannot escape and therefore, causing the floor of the oven to warp/bend with the excess heat. When they removed the top layer of aluminum, that extra sheet (as it takes two sheets to cover most ovens) was "welded" to the oven floor.

Anyone else heard of this or have had this happen?? Lining with aluminum seems to be a fairly common practice but it seems with a hidden element you can't now.

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