I am making a 2 tiered/stacked chocolate grooms cake. Please help with your expertise in this area.
1. Should I double board in-between tiers (since chocolate cake is so dense and heavy)?
2. I was thinking of putting waxed paper between each tier, so when the top cake is removed all the icing will not come up with it. Will this work?
Any other suggestions?
Thanks in advance for your help.
I always make stacked chocolate cakes with ganache frosting. I don't double the boards cos I use foamcore and it's stable enough to support the weight of the cake. I don't put wax paper between layers cos I worry about slipping.
What about an SPS?
I am doing a 2 tier stacked birthday cake for this weekend and I found an SPS-type system at my local bakery supplies store. It's not the exact same brand, but exact same idea, and I feel quite relieved to have found it locally, since my cake will be making a 25 minute drive.
Good luck and let us know how it goes!
Andrea
i am no expert, but i did a two tier (each tier was 4") dense chocolate cake with raspberry filling and heavy fondant decorations last june with just the wilton cardboard and wooden dowels decorations and it held up really well before/during/after party. (this was before i even knew i had options on how to stack, lol).
diane
If you go to the "How Do I?" folder, there is a sticky towards the top labeled "SPS Instructions". There are columns that stick tightly into a plate, which your cake sits on. I haven't actually used it yet myself, but from reading tons of posts about it, I am feeling pretty confident about my cake for this weekend!
Do you have a Joann's? I am not sure, but they might sell the plates and hidden pillars?
You will survive without it! Get some wooden dowel rods and use cardboard circles. Depending on how high your cake is, you might also want to do a large center dowel.
You'll be fine! Don't fret! 
What size are your tiers? I have done several groom's cakes with 12/8" square pans. Epicurious.com double chocolate layer cake is pretty dense. I always stack on site, but I use cardboard and dowels and have not had a problem ... yet. Crossing my fingers since I have another wedding this weekend and I will be doing the same thing .....
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