Purple Flat Foundation

Best for: Steel box spring swap, two heights

A fold-out steel foundation with 14 slats in 5″ or 9″ heights, tested to 2,000 lbs (Queen), set up without tools.

Good to know: No returns or exchanges, and it needs a frame around it.

Where to get it

purple.comQueen $399 (Queen (Low or Standard) in the page's product data) · checked Oct 22See price

We may earn a commission if you buy. Check the size and price on the seller’s site.

The facts

Type: Foundation · Metal frame
Material: Steel frame with 14 snap-in slats and a zip-on cover; Low 5″ or Standard 9″
What it’s made of: Steel frame, 14 slats, zip-on cover; made for frames without slats, such as panel beds; Queen Low weighs 49.78 lbs
Headboard: None
Height: 9″
Stated weight capacity: 2,000 lb (Tested to support up to 2,000 lbs in a Queen size model (brand))
Slats and support: 14 slats on a steel frame
What the brand says about noise: Purple says it gives 'sturdy, silent support' with 'no creaks, squeaks, or sagging'
Outside size (queen): 58.5 × 79″
Needs a foundation: No
Assembly: Collapsible accordion design; slats snap in, cover zips on, no tools
Trial and returns: No returns or exchanges (brand FAQ)
Warranty: 10-year limited warranty

On these lists

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Sizes

Twin38 × 75 inFits this mattress sizeTwin XL38 × 80 inFits this mattress sizeFull · 54-inch54 × 75 inFits this mattress sizeQueen60 × 80 inFits this mattress sizeKing76 × 80 inFits this mattress sizeCalifornia king72 × 84 inFits this mattress size

Price for every size

From the seller’s site on Oct 24. Prices change often, so check before you buy.

Size	Price
Twin Low 5" and Standard 9" same price	$299	See it
Twin XL Low 5" and Standard 9" same price	$299	See it
Full Low 5" and Standard 9" same price	$399	See it
Queen Low 5" and Standard 9" same price	$399	See it
Cal King Low 5" and Standard 9" same price	$530	See it
King Low 5" and Standard 9" same price	$530	See it

Where this information came from

Heights, 14 slats, zip-on cover, no tools, 2,000 lb (Queen), per-size dimensions and weights, no returns, 10-year warranty, variant prices (page product data)

Checked Oct 22. Specs and terms can change.

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