A bunkie board and a foundation are supportive bases for mattresses, but they differ in construction and purpose.
The Avocado Bunkie Board is a thin platform, only 1.5 inches thick, made from solid wood slats and covered with a breathable, GOTS-certified organic cotton canvas. It provides a firm, flat surface without springs or coils, perfect for trundle beds, bunk beds, day beds, and bed frames lacking proper support. A Bunkie Board can prevent a mattress from sagging or slumping, like a thicker foundation. A Bunkie Board is the best choice for some bed frames that need structural support but require a lower profile.
On the other hand, a Foundation from Avocado uses a wood frame box with wood slats along the top. It is also covered in GOTS-certified organic fabric and features a breathable cover. Foundations function the same as Bunkie Boards but add more height (two options are available), making them suitable for bed frames designed for a thicker foundation under a mattress. Due to their height, foundations are ideal for those who prefer a higher bed, a traditional design aesthetic, or need assistance getting in and out of bed.
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Height(s) | 1.5 inches | 3.5 inches or 7.25 inches |
Optional Legs, which Function as a Standalone Bed Frame | ❌ | ✅ Available on the 7.25-inch standard foundation only. Legs are 6.25 inches tall. |
GOTS-Certified Organic Cotton (CU 863637) | ✅ | ✅ |
GREENGUARD Gold Certified for Low Emissions | ✅ | ✅ |
Available in Standard Support | ✅ | ✅ |
Available in Heavy-Duty Support | ❌ | ✅ |
Available with Adjustable Legs | ❌ | |
Can be used on a Metal Bed Frame | ✅ | ✅ |