Overview

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Discover where luxury meets innovation with the Beautyrest Black Mattress Foundation. Designed to pair aesthetically with your Beautyrest Black mattress, this box spring alternative offers long-lasting support designed to extend your mattress’s durability.

Constructed with solid steel struts to promote support and durability
Designed with a quilted border fabric to perfectly match your Beautyrest Black mattress’s luxurious design
Available in two heights to fit your sleep setup and bedroom

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Constructed with solid steel struts to promote support and durability
Designed with a quilted border fabric to perfectly match your Beautyrest Black mattress’s luxurious design
Available in two heights to fit your sleep setup and bedroom

",{"_242":214,"_240":214,"_241":214,"_139":214,"_243":214,"_245":214,"_239":214,"_256":214,"_257":214,"_237":214,"_238":214,"_246":214,"_247":214,"_262":214,"_263":214,"_264":214,"_265":216},[310,311,312,313],{"_113":269,"_207":270,"_82":271,"_87":272,"_209":214},{"_113":274,"_207":275,"_82":276,"_87":277,"_209":214},{"_113":279,"_207":280,"_82":281,"_87":282,"_209":214},{"_113":284,"_207":285,"_82":286,"_87":287,"_209":214},[],"2025-08-15T12:30:40",{"_113":317,"_82":318,"_203":319,"_12":320,"_205":321,"_210":322,"_213":216,"_215":216,"_136":323,"_219":326,"_221":-5,"_222":225,"_224":327,"_87":328,"_226":227,"_228":329,"_143":338,"_266":339,"_288":344,"_290":345},10220315050322,"812821 - FOUNDATION/BOX 2025","812821 - foundation/box 2025","

Overview

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If you are looking to add a little height to your bed or need a box spring alternative for your bed frame, the Beautyrest® Flat Mattress Foundation is the perfect solution. Designed to provide long-lasting comfort, the Beautyrest® flat bed foundation includes a spruce framework and welded steel elements for greater support and durability.

Available in all standard sizes and two heights: standard 9 and low profile 5.5”
Center support extends to the floor for queen or king sizes
Meets or exceeds State and Federal Fire Retardancy Standards when used either by itself or with an approved Beautyrest® mattress

\r\n",{"_113":165,"_207":-5,"_82":198,"_87":208,"_209":-5},{"_113":165,"_207":-5,"_82":196,"_87":212,"_209":-5},[324,325],"https://rsl-thumbnails.s3-eu-west-1.amazonaws.com/10BB5F694494/188502/2507-BR-Foundation-Low-2000x2000-Profile.jpeg","https://rsl-thumbnails.s3-eu-west-1.amazonaws.com/10BB5F694494/188500/2507-BR-Foundation-Low-2000x2000-Queen+(1).jpeg",[-5,-5],220,"812821-foundationbox-2025_46359",{"_230":214,"_231":214,"_232":214,"_233":214,"_234":214,"_235":214,"_236":214,"_330":214,"_331":214,"_332":214,"_333":214,"_334":214,"_335":214,"_336":214,"_306":337,"_237":214,"_139":214,"_238":214,"_239":214,"_240":214,"_241":214,"_242":214,"_243":214,"_244":214,"_245":214,"_246":214,"_247":214,"_248":214,"_249":214,"_250":214,"_251":214,"_252":214,"_253":214,"_254":214,"_255":214,"_256":214,"_257":214,"_258":214,"_259":214,"_260":214},"hidefromproductlist","halfdrop","plush","supersoft","firm","extrafirm","hidecustomizebutton","

Available in all standard sizes and two heights: standard 9\" and low profile 5.5”
Center support extends to the floor for queen or king sizes
Meets or exceeds State and Federal Fire Retardancy Standards when used either by itself or with an approved Beautyrest® mattress

810503 - ULTRA LOW FOUNDATION

810503 - ULTRA LOW FOUNDATION

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