3/16" Foam Board Is Strong Enough?

Decorating By Kookie Updated 13 May 2010 , 9:33pm by Kookie

Kookie Posted 10 May 2010 , 9:39pm
post #1 of 5

I am making a 12x18 single layer cake with buttercream frosting.
Should I use 3/16" or 1/2" foam board?
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4 replies
Occther Posted 10 May 2010 , 9:57pm
post #2 of 5

I prefer the 1/2" - or put two 3/16" together.

LisaR64 Posted 10 May 2010 , 10:00pm
post #3 of 5

Speaking from experience, go with the 1/2" foam board. I used 3/16 on the Barney cake in my photos and it was fine at first, but after it was moved a few times, the icing, and then the cake began to crack right down the middle. The cake board was just not sturdy enough for the weight of the cake once it was moved around.

BlakesCakes Posted 10 May 2010 , 10:53pm
post #4 of 5

For a single layer 12x18, a 3/16th inch foam core board (as the cake board and/or as the decorative board) will be fine......that said, I always put my cakes on their own 3/16th inch board the same size as the layer, so in effect, it's a doubled board directly under the cake.


Kookie Posted 13 May 2010 , 9:33pm
post #5 of 5

Thank you for all!!
I will use 1/2" foamboards for 12x18 single layer cake,then...
I am glad to ask.

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