Board thickness matters more than most first-time cake builders expect — too thin, and even a lightweight dummy tier can flex or sag over time.
General Thickness Guide
- Small tiers (4-8 inch): a standard single-thickness board is generally sufficient
- Medium tiers (10-14 inch): a heavier-duty or double-thickness board adds needed rigidity
- Large tiers (16 inch+): a reinforced or extra-thick board prevents sagging under the combined weight of tiers above
Why Thickness Matters More for Multi-Tier Stacks
The bottom board in a stacked design supports the combined weight of every tier above it, making board strength especially important at the base of a design.
Frequently Asked Questions
Can a thin board be reinforced instead of replaced?
Yes, doubling up two boards glued together can add strength without needing a specialized reinforced board.
Does dummy weight affect board thickness needs the same way real cake does?
Less so, since dummy tiers are much lighter, but board thickness still matters for overall stability and preventing warping over time.
Find the right board for your project in our cake boards collection.
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