Zinus SmartBase Heavy Duty Twin Mattress Foundation – Sturdy Steel Frame


SKU sku00413 Category


The Zinus SmartBase Heavy Duty Twin Mattress Foundation is the perfect base for your twin mattress. This heavy duty metal platform bed frame provides sturdy support for your mattress without the need for a box spring.

No Box Spring Needed

This twin bed frame is specifically designed to be used with your twin mattress alone. The strong steel slats provide ample support, eliminating the need for a bulky box spring. Simply place your twin mattress directly onto the frame – it’s ready to go right out of the box.

Heavy Duty Steel Construction

Built with long-lasting durability in mind, this twin platform bed frame is constructed from heavy gauge steel. The reinforced steel frame can support up to 4400 lbs, providing a stable base for your mattress that will last for years to come.

Locking Mechanism for Added Stability

Stability is key for any bed frame, and Zinus includes a reliable locking mechanism to keep this twin bed frame secure and wobble-free. The steel legs connect together with a simple locking nut and bolt system, ensuring the frame remains sturdily in place for uninterrupted sleep.

Underbed Storage Space

Take advantage of the space under your twin mattress with the built-in 13 inches of underbed clearance. Store extra linens, clothing, books or anything else you need – keeping your bedroom clutter-free. The tall steel legs elevate your mattress high enough to allow for ample storage room underneath.

Quick and Easy Assembly

Putting this sturdy twin bed frame together is a breeze. All of the tools and instructions for assembly are included with your order, so you can put it together right away. Following the easy step-by-step directions, you’ll be able to assemble this metal platform bed in under an hour, with no heavy tools required.

Recessed Leg Design for Added Safety

The steel legs are specially designed with a recessed interior. This ensures there are no sharp corners or edges exposed, keeping your living space safe for children and pets. You’ll have peace of mind knowing there are no hazardous pinch points anywhere on this twin metal bed frame.

Works with Any Twin Mattress

Compatible with any standard twin mattress, you can use your existing mattress or purchase a new one. Whether you prefer spring, foam, hybrid or latex mattresses, this sturdy twin bed frame provides the essential foundation. Give your twin mattress the supportive base it needs with this versatile platform bed frame.

5 Year Limited Warranty

Zinus stands behind the quality of this twin metal platform bed frame with a 5 year limited warranty. Your purchase is protected from manufacturing defects so you can buy with confidence.


  • Dimensions: 75 x 39 x 14 inches
  • Weight Capacity: 4400 lbs
  • Mattress Support: Strong steel slats
  • Frame Material: Heavy gauge steel
  • Leg Height: 13 inches
  • Noise-Free: No squeaks or creaks
  • Assembly Required: Yes, tools included
  • Warranty: 5 year limited

Upgrade your twin mattress with the sturdy support of the Zinus SmartBase Heavy Duty Metal Platform Bed Frame. Ditch the bulky box spring and enjoy convenient underbed storage with this strong steel platform bed. Designed for stability and durability, this is the lasting foundation your mattress needs. Click Add to Cart now to get restful sleep on a stable twin bed frame!


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