zinus smartbase

Zinus SmartBase Review [2020]

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Zinus SmartBase series consists of heavy-duty but affordable bed foundations.

In this quick review, we'll cover the 14″, 16″ and 18″ SmartBase heavy-duty foundations.

They all feature 4,400 lb weight capacity, durable all-steel construction and a decent amount of under-bed storage.

By the way, you don't need to use any of the SmartBase foundations with a box spring. You can place your mattress directly on the foundation.

What's In This Adjustable Base Review?

This Zinus SmartBase is a 10-minute read.

If you'd rather not go through it all, use this table of contents to skip to the features that are most important for you.

Zinus SmartBase Mattress Foundation Options

SmartBase 14”SmartBase 16”SmartBase 18”
14” high16” high18” high
13” under-bed clearance15” under-bed clearance17” under-bed clearance
All-steel constructionAll-steel constructionAll-steel construction
4400lbs weight capacity4400lbs weight capacity4400lbs weight capacity
Weight: 38.1lbs (Queen)Weight: 37.4lbs (Queen)Weight: 36.2lbs (Queen)
Price: $158 (Queen)Price: $129 (Queen)Price: $130 (Queen)

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About Zinus SmartBase

zinus 14 inch smartbase

Key Features

1. High Weight Capacity

Each of the SmartBase foundations can support up to 4,400lbs of evenly distributed weight. If you have a very heavy mattress or weigh more than average, this foundation holds up perfectly.

The SmartBase foundation is especially ideal for couples where both of you have a big body. The foundation can support your combined weight as well as the weight of the mattress.

2. Under-bed Clearance

All three foundations provide plenty of under-bed clearance for storage. Even the lowest 14″ foundation still leaves about a foot of space underneath the bed, enough to stow away a sizable box or suitcase.

Under-bed clearance is 13″ for the 14″ foundation, 15″ for the 16″ foundation, and 17″ for the 18″ foundation.

3. No Box Spring Required

One of the best things about the Zinus SmartBase foundation is that you don't need to spend money on a box spring to complete your setup.

As long as you have the foundation and your mattress, you are good to go. Heavy gauge steel wires spaced 4″ apart provide the support and bounce you'd normally get from a box spring.

Zinus says they made the SmartBase foundations higher than average to eliminate the need for a box spring as well as provide under-bed storage.

You can use box spring if you want, but it might make your bed too high since the foundation is pretty high already. Also, remember that a box spring will take up some of the foundation's weight capacity and place extra stress on it.

4. Noise and Wobble Free

As long as you assemble the foundation properly (which is easy, by the way) and tighten all nuts, you should hear zero noise and experience zero wobblings.

If your current foundation is all squeaky and wobbly, time to upgrade to the Zinus SmartBase foundation.

Construction and Design

All Zinus SmartBase foundations have an all-steel construction. That's one of the reasons they can support so much weight.

The larger sizes (full, queen, king, and cal king) have 12 points of contact with the floor (that is, 12 legs) with cross support between them. The smaller sizes have six legs.

This allows the foundation to take on a lot of weight and distribute it evenly across its structure.

As for aesthetics, there's nothing much to talk about. The SmartBase foundations are finished in black.

If you want something more interesting, feel free to use a bed frame with the foundation. Check out our reviews of the best luxury, best modern and best minimalist bed frames.

Price and Buying Options

Considering their sturdy construction and high weight capacity, the Zinus SmartBase foundations are priced very affordably. It's hard to find a heavy-duty foundation at the same price range.

All sizes of the three foundations cost under $200, with some sizes going for less than $100. Visit the official Zinus website or Amazon.com for the latest prices and offers.

All the foundations are available in the usual sizes ranging from twin to Cal King.

Sleeping Experience and Customer Feedback

Most customers love the Zinus SmartBase foundation. It's as sturdy and supportive as they expected. Even heavier-bodied users and those with an extra-thick and heavy mattress say the foundations hold up well with no noise or wobbling.

Many users love the height of the foundation. Though it can get a bit too high if you have a thick mattress, the upside is that you get plenty of storage space underneath the bed.

The fact that they don't need to buy a box spring is also a big plus for customers, especially those on a budget.

One complaint we've seen from several customers is that the bars on the foundation can dig into your body if you have a thin foam mattress or you have a big body. Some customers had to get a foam topper or use a Bunkie board under the mattress to sleep comfortably.


Zinus SmartBase features

Zinus offers a 5-year limited warranty on all their SmartBase foundations. The warranty covers manufacturing defects.

A big downside with this warranty is that you are responsible for the cost of shipping the foundation to and from their facility. Considering the weight of the foundation, you'll spend quite a bit just on freight.

Fortunately, there are very few reports of the foundation getting damaged. Most customers have had their foundation for two years or more, and it's still in very good shape.

Return Policy

All foundation purchases from the official Zinus website come with a 100-night trial period. If you don't like the foundation, contact Zinus to arrange a return.

If you buy from another retailer like Amazon, that retailer's return policy applies.

Delivery & Assembly

Zinus offers free shipping for their SmartBase foundation (when you order from the official website).

The foundation arrives with most of the assembly done. All you need to do is extend the legs and tighten the wing-nuts. You do not need any tools or a pro.

Pros and Cons


  • Good value for money.
  • Sturdy steel construction with a high weight capacity.
  • Easy to assemble.
  • Under-bed storage.
  • No box spring is required.
  • 100-night trial and 5-year warranty.


  • Foundation might be too high for those with a thick mattress.
  • Some users may need to use a Bunkie board.

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Final Verdict: The Zinus SmartBase is Perfect For You If… 

SmartBase Super Heavy Duty Mattress Foundation

  • You are looking for an affordable and well-constructed mattress foundation.
  • You want a foundation with a higher than average weight capacity – 500+lbs.
  • You'd love a foundation with plenty of under-bed storage.

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How the Zinus SmartBase Compares

Read our reviews of other adjustable bases to see how Zinus compares to other popular adjustable bases in the market.


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Where To Buy & Save

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