Eastman House · Mattress Foundations & Box Springs
Eastman House BIA Universal Flat Box Spring Foundation
Flat mattress foundation with wood construction, steel center support, and multiple height options to suit your mattress and compatible bed frame.
- Rigid,
flat support - Kiln-dried
hardwood - 6
sizes
Match the foundation to your mattress size; add the frame height for the finished bed.
Ships direct to home
Queen · Standard 9" · Available to orderFree store pickup at all 5 LA showrooms
Subtotal: $277 · includes the $18 CA recycling fee
Try it in a showroomDelivery dates and showroom display availability are confirmed separately. Check your mattress maker's foundation requirements before pairing.
Fit & care guide
Support & bed height
The right support starts with your mattress, frame, and preferred height.
Confirm compatibility
Check your mattress manufacturer’s support requirements and your bed frame’s dimensions before ordering.
Choose the profile
Add the frame, foundation, and mattress heights to estimate how high the finished bed will sit.
Plan the route in
Measure doorways, stairs, and turns. Confirm the number of pieces supplied for your selected size.
- Check your mattress manufacturer’s support requirements and your bed frame’s dimensions before ordering.
- Add the frame, foundation, and mattress heights to estimate how high the finished bed will sit.
- Measure doorways, stairs, and turns. Confirm the number of pieces supplied for your selected size.
Specs & materials
The details that matter
- Product
- Foundation
- Support surface
- Rigid, flat support
- Construction
- Kiln-dried hardwood frame
- Style
- Standard 9" · Low Pro 4" · Ultra Low 2"
- Center support
- Steel center support
- Brand
- Eastman House
- Available sizes
- Twin · Standard 9", Twin · Low Pro 4", Twin · Ultra Low 2", Twin XL · Standard 9", Twin XL · Low Pro 4", Twin XL · Ultra Low 2", Full · Standard 9", Full · Low Pro 4", Full · Ultra Low 2", Queen · Standard 9", Queen · Low Pro 4", Queen · Ultra Low 2", King · Standard 9", King · Low Pro 4", King · Ultra Low 2", California King · Standard 9", California King · Low Pro 4", California King · Ultra Low 2"
Delivery & setup
Check delivery to your door
Enter your delivery address for the service level and delivery charge on this order. Exact dates are confirmed by phone after purchase.
Merchandise after discounts; taxes, recycling and other charges do not count toward $499. Same-day is a request, not a guaranteed arrival: order before 4 p.m. Los Angeles time and the warehouse confirms the date. The $100 is refunded if delivery arrives later than the requested day.
Your welcome gift: Brooklyn Bedding Shredded Foam Pillow, $99 value
A pillow for your visit.
Join our email community and visit a showroom for 1 free pillow. No purchase necessary. Buy with your code within 20 days, online or in store, for 20% off and two free pillows total. See offer terms
Complete the setup
Everything but the foundation
Each item is optional and added only when you choose it. Prices shown for Queen · Standard 9"; other sizes may vary.
Your bundle
1Reviews
What customers say
Well made
Great box spring that went well with matttrss. Really glad we got it
Before you open another tab
Compare with similar foundations
| Feature | This foundationEastman House BIA Universal Flat Box Spring Foundation | Eastman HouseEastman House Low Profile Box Spring Foundation - 5"Explore this foundation → | Eastman HouseEastman House Standard Profile Box Spring Foundation - 9"Explore this foundation → |
|---|---|---|---|
| Price | $259 | $259 | $259 |
| Material/Type | Kiln-dried hardwood frame | Kiln-dried hardwood frame | Kiln-dried hardwood frame |
| Height | — | 5 inches | 9 inches |
| Sizes | Twin · Standard 9", Twin · Low Pro 4", Twin · Ultra Low 2", Twin XL · Standard 9", Twin XL · Low Pro 4", Twin XL · Ultra Low 2", Full · Standard 9", Full · Low Pro 4", Full · Ultra Low 2", Queen · Standard 9", Queen · Low Pro 4", Queen · Ultra Low 2", King · Standard 9", King · Low Pro 4", King · Ultra Low 2", California King · Standard 9", California King · Low Pro 4", California King · Ultra Low 2" | Twin, Twin XL, Full, Queen, King, California King | Twin, Twin XL, Full, Queen, King, California King |
| Warranty | — | — | — |
Prices shown are today’s for the selected size; open a product to choose its other options.
See it set up
See a foundation set up before you decide.
Foundations are a showroom category; call ahead to check which models are on the floor, then compare the finished bed height in person.
FAQ
Common questions
A little help with your foundation, from fit and care to ordering.
