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Foundations

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Brand: Sierra Sleep
Sierra Sleep® By Ashley® Best Base with Lumbar and Audio Queen Adjustable Base-M8X332Sierra Sleep® By Ashley® Best Base with Lumbar and Audio Queen Adjustable Base-M8X332
Sierra Sleep® By Ashley® Best Base with Lumbar and Audio Queen Adjustable Base-M8X332
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Sierra Sleep® By Ashley® Best Base Charcoal Gray Queen Adjustable Base with Lumbar and Audio-M5X532Sierra Sleep® By Ashley® Best Base Charcoal Gray Queen Adjustable Base with Lumbar and Audio-M5X532
Sierra Sleep® By Ashley® Best Base Charcoal Gray Queen Adjustable Base with Lumbar and Audio-M5X532
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Sierra Sleep® By Ashley® Best California King Adjustable Base-M9X952Sierra Sleep® By Ashley® Best California King Adjustable Base-M9X952
Sierra Sleep® By Ashley® Best California King Adjustable Base-M9X952
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Sierra Sleep® By Ashley® Better than a Boxspring Queen Foundation-M91X32Sierra Sleep® By Ashley® Better than a Boxspring Queen Foundation-M91X32
Sierra Sleep® By Ashley® Better than a Boxspring Queen Foundation-M91X32
$199.99
$399.99Save $200.00

Worth the Wait!Chat Now for Est Time Frame

Sierra Sleep® By Ashley® Cosmic Power Black Queen Adjustable Base-M8X232Sierra Sleep® By Ashley® Cosmic Power Black Queen Adjustable Base-M8X232
Sierra Sleep® By Ashley® Cosmic Power Black Queen Adjustable Base-M8X232
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Sierra Sleep® By Ashley® Head Up Only Charcoal Gray Queen Adjustable Head Base-M5X132Sierra Sleep® By Ashley® Head Up Only Charcoal Gray Queen Adjustable Head Base-M5X132
Sierra Sleep® By Ashley® Head Up Only Charcoal Gray Queen Adjustable Head Base-M5X132
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IN STOCK
Sierra Sleep® By Ashley® Queen Low Profile Foundation-M78X32Sierra Sleep® By Ashley® Queen Low Profile Foundation-M78X32
Sierra Sleep® By Ashley® Queen Low Profile Foundation-M78X32
$199.99

In Stock at Regional WarehouseFor Delivery & In-store Pickup

Sierra Sleep® By Ashley® King Standard Foundation-M95X42Sierra Sleep® By Ashley® King Standard Foundation-M95X42
Sierra Sleep® By Ashley® King Standard Foundation-M95X42
$299.99

Foundations: We’ve Got Your Back

A mattress high in healthfulness is only as good as the foundation that supports it. Big Sandy Superstore presents many foundations that are power-adjustable and supremely comfortable. Gone are the box springs of yesteryear and here are moveable foundations that promote the best possible rest and relaxation. (But if you still prefer traditional bedroom arrangements, we indeed carry high-quality standard foundations!) Whether you’re online or in-store, Big Sandy Superstore has foundations for queens, split queen, California king, split California king and king-sized mattresses.

All the Top Brands Are at Big Sandy Superstore

There’s no need to worry about a foundation being too small for your mattress because these are precisely designed to accommodate those mattress sizes. Shop established brands like Serta®, Tempur-Pedic®, iPowr and Beautyrest® in our online and in-store locations. We consistently strive to deliver the best foundations for our Ohio, Kentucky, West Virginia, Michigan, Indiana, and Missouri customers.