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Firm Plush Adjustable Bed Base Friendly

Firm mattresses give you the most support of our everyday comfort levels — a solid, stable surface that keeps your spine aligned instead of sinking in. Firm is the go-to for back and stomach sleepers, heavier-weight sleepers who need extra support, and anyone looking for orthopedic, back-friendly comfort; side sleepers or those who like a softer feel may prefer our medium or plush options. Choose from tight-top, foam, euro-top and hybrid builds across Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Chirofoam and our own NM line — from budget-friendly models at $59 to premium, with free delivery across Canada. • Feel: firm gives a solid, supportive surface with minimal sink-in • Best for: back and stomach sleepers, heavier-weight sleepers, and orthopedic / back-pain support • Consider softer if you sleep on your side or want more cushioning — see our medium or plush options • Constructions: tight-top (most firm beds), foam, euro-top and hybrid • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Chirofoam, Springwall & NM • Prices: from $59 (budget) to premium — our widest price range • Want the firmest feel? See our extra-firm mattresses
Plush mattresses are the softest comfort level we carry — built with thick pillow-top and euro-top comfort layers (plus plush memory foam and hybrid options) that cradle your shoulders and hips for a soft, sink-in feel. Plush is the top choice for side sleepers and lighter-weight sleepers who need extra cushioning at the pressure points; back and stomach sleepers, or anyone who wants firmer support, may prefer our medium or firm options. Shop plush models from Sealy, Serta, Beautyrest, Stearns & Foster, iComfort and Tempur-Pedic in memory foam, hybrid and pocket-coil builds — with free delivery across Canada. • Feel: plush is the softest of our four comfort levels (plush, medium, firm, extra firm) • Best for: side sleepers and lighter-weight sleepers — cushions shoulders and hips • Consider firmer if: you sleep on your back or stomach, are heavier, or want more support • Plush constructions: pillow-top, euro-top, plush memory foam and hybrid • Builds: memory foam, hybrid and pocket-coil • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort & Tempur-Pedic • Prices: from $224 to premium

Shop adjustable base friendly mattresses from Beautyrest, Serta, Sealy, Tempur-Pedic, Springwall, iComfort, and Stearns & Foster at National Mattress, a range of models in memory foam, hybrid, latex, eurotop, and tight-top constructions across a range of budgets. Every mattress in this collection is manufacturer-verified to flex and articulate with adjustable bases without voiding the warranty. Available in Twin through King sizes with firmness levels from extra firm to plush, all with CertiPUR-US® certified foams. 100% of models are manufactured in Canadian factories. Read our delivery information, sleep trial terms, and warranty information before ordering.

Firm Plush Adjustable Bed Base Friendly
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Items

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  • Springwall Chiropractic 14-inch plush euro-top mattress, navy swirl-quilted top, grey mesh sides Springwall Chiropractic Premium Mattress Logo
    • 1800 7-Zoned Chiropractic® Pocket Coils
    • Cold PE Technology Premium Surface Fabric
    • AIRWAYS™ Specialty Foam
    • Graphite Gel PCM Comfort Layers
    • CoreBalance™ Support System with Micro Coils
    Single/Twin $619
    Twin XL $783
    Double/Full In stock for fast delivery $795
    Queen $844
    Compare at $1,799
    King $1,068
    Online availability icon In-Stock Only 2 left!
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  • Chirofoam 12-inch luxury-firm memory foam mattress, smooth white knit top, pale blue edge, navy sides Chirofoam Logo
    • Cool Gel Infused Memory Foam
    • Firm Support Chirofoam
    • Pro Lumbar Support
    • Body Support Bio Foam Core
    • 15 Year Warranty
    Single/Twin In stock for fast delivery $514
    Twin XL In stock for fast delivery $710
    Double/Full In stock for fast delivery $721
    Queen In stock for fast delivery $856
    Compare at $1,599
    King In stock for fast delivery $1,108
    Online availability icon In-Stock
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  • Sealy Posturepedic Plus 1000 Series 14-inch plush euro-pillow-top mattress, domed white-blue top, grey sides Sealy Posturepedic Plus Mattress Logo
    • CleanProtect™ Cover
    • SealyAir™ Fibres
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • SealyResponse™ HD Pocket Coils
    • StableEdge™ HD
    • PROBACK® Quilt with Targeted GelBoost™ HD Memory Foam
    Single/Twin $694
    Twin XL In stock for fast delivery $765
    Double/Full $808
    Queen $874
    Compare at $2,099
    King $1,190
    Online availability icon In-Stock Only 2 left!
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  • Beautyrest 14-inch firm pillow-top mattress, grey quilted top with teal accents, charcoal sides, blue badge Beautyrest Mattress Collection Logo
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Medium Gel Foam
    • Beautyrest® Support Foam
    • Beautyrest® Antimicrobial Fibre Technology
    Single/Twin $769
    Twin XL In stock for fast delivery $817
    Double/Full $830
    Queen $879
    Compare at $2,099
    King $1,034
    Online availability icon In-Stock Only 6 left!
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  • Beautyrest 13-inch medium-firm tight-top mattress, flat grey ribbed quilting with teal accents Beautyrest Mattress Collection Logo
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • SurfaceTouch™ Gel Memory Foam
    • Beautyrest® Plush Gel Foam
    • InfiniCool™ Technology
    • Beautyrest® Antimicrobial Fibre Technology
    Single/Twin $769
    Twin XL In stock for fast delivery $817
    Double/Full $830
    Queen $879
    Compare at $2,099
    King $1,034
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
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  • Serta Perfect Sleeper 12-inch luxury-firm tight-top mattress, white blue-wave top, charcoal-navy sides Serta Perfect Sleeper Premium Mattress Logo
    • 850 Edition Custom Support Zoned Coil System
    • CoolFeel Fabric™
    • Serta® Antimicrobial Fibre
    • Cool Twist® Gel Memory Foam
    • Serta® Support Foam
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL In stock for fast delivery $742
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,799
    King SOLD OUT
    Online availability icon In-Stock Only 5 left!
    In-Store availability icon On Display:
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  • Sealy Posturepedic Plus 1200 Series 12-inch firm euro-top mattress, rounded cream top, denim-blue sides Sealy Posturepedic Plus Mattress Logo
    • CleanProtect™ Cover
    • Sealy AirSense™ Fibres Topped with SealyIce™ Yarn
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • Posture Grid® Coil System featuring PostureSense™ Nano Coils
    • SolidEdge™ PRO
    • PROBACK® Plus Quilt with Targeted GelSense™ HD Memory Foam
    Single/Twin $696
    Twin XL In stock for fast delivery $774
    Double/Full $805
    Queen $911
    Compare at $2,199
    King $1,230
    Online availability icon In-Stock Only 4 left!
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  • SERTA Perfect Sleeper 13" Firm Tight Top Mattress, finely quilted white top on navy ring-pattern border, angled Serta Perfect Sleeper Premium Mattress Logo
    • 950 3-Zoned Coil System
    • CoolFeel™ Fabric
    • Cool Twist® Gel Memory Foam
    • Serta® Support Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $819
    Twin XL In stock for fast delivery $867
    Double/Full $880
    Queen In stock for fast delivery $931
    Compare at $2,199
    King $1,087
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
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  • Serta Perfect Sleeper 13.5-inch plush pillow-top mattress, white blue-burst top, charcoal-navy sides Serta Perfect Sleeper Premium Mattress Logo
    • 850 Edition Custom Support Zoned Coil System
    • CoolFeel Fabric™
    • Serta® Antimicrobial Fibre
    • Cool Twist® Gel Memory Foam
    • Serta® Support Foam
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL In stock for fast delivery $392
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,999
    King SOLD OUT
    Online availability icon In-Stock Only 5 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
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  • Serta Perfect Sleeper 12-inch firm hybrid mattress, all-blue sunburst tight-top, navy sides Serta Perfect Sleeper Premium Mattress Logo
    • 1000 Series 3-Zoned Coil System
    • CoolFeel Fabric™
    • Serta® Support Foam
    • Cool Twist® Gel Memory Foam
    • Hybrid Design
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL SOLD OUT
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,999
    King SOLD OUT
    Online availability icon Out Of Stock
    In-Store availability icon On Display:
  • Serta Perfect Sleeper 13.5-inch firm pillow-top, light-blue burst quilting, charcoal sides Serta Perfect Sleeper Premium Mattress Logo
    • 850 Edition Custom Support Zoned Coil System
    • CoolFeel Fabric™
    • Serta® Antimicrobial Fibre
    • Cool Twist® Gel Memory Foam
    • Serta® Support Foam
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL SOLD OUT
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,999
    King SOLD OUT
    Online availability icon Out Of Stock
    In-Store availability icon On Display:
  • Sealy Posturepedic Plus 1200 Series 14-inch firm euro-top mattress, cream tufted top, denim-blue heathered sides Sealy Posturepedic Plus Mattress Logo
    • CleanProtect™ Cover
    • Sealy AirSense™ Fibres Topped with SealyIce™ Yarn
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • Posture Grid® Coil System featuring PostureSense™ Nano Coils
    • SolidEdge™ PRO
    • PROBACK® Plus Quilt with Targeted GelSense™ HD Memory Foam
    Single/Twin $816
    Twin XL In stock for fast delivery $875
    Double/Full $894
    Queen $954
    Compare at $2,299
    King $1,233
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
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What Makes a Mattress Adjustable Base Friendly?

An adjustable base friendly mattress is designed to flex and bend repeatedly without damaging its internal structure. Not every mattress can handle this, traditional innerspring models with rigid continuous-coil systems and thick euro-tops can crease or lose support when elevated. The best options for adjustable bases include memory foam, latex, hybrid pocket-coil, and individually wrapped pocket coil mattresses, all of which articulate smoothly at the head and foot sections.

At National Mattress, every product listed in this category has been verified as adjustable base compatible by the manufacturer. Key features to consider include mattress height (models under 14″ generally flex most easily), coil type (pocket coils move independently and bend better than connected coils), and foam density (higher-density foams maintain their shape through thousands of flex cycles). If you already own a Lifestyle adjustable base or are planning to pair your mattress with one, look for models with low motion transfer and pressure point relief to get the full benefit of zero-gravity and elevated sleeping positions.

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Flex-Tested Construction

Every mattress in this collection is manufacturer-verified to bend and articulate with adjustable bases without voiding the warranty.

🎯

169 Models, 10 Brands

Choose from Beautyrest, Serta, Sealy, Tempur-Pedic, Springwall, iComfort, and more, across a range of budgets.

🍃

CertiPUR-US® Certified

All foams are independently tested for harmful chemicals, heavy metals, and low VOC emissions for healthier indoor air.

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Canadian-Made

100% of our adjustable-friendly mattresses are manufactured in Canadian factories with free delivery and manufacturer warranty information available.

Frequently Asked Questions About Adjustable Base Friendly Mattresses

Which mattress types work best on an adjustable base?
Memory foam, latex, and hybrid mattresses with individually wrapped pocket coils flex best on adjustable bases. These constructions bend at the head and foot without creasing or damaging internal components. Avoid mattresses with rigid continuous-coil systems, as they resist articulation and can break down faster.
Will using an adjustable base void my mattress warranty?
No, every mattress in this category is manufacturer-approved for use with adjustable bases, so your warranty remains fully valid. Read the warranty information for the specific model you are considering. Always confirm compatibility before pairing a mattress not listed in this category with an adjustable frame.
Can I use an adjustable base friendly mattress on a regular bed frame?
Yes. Every adjustable-friendly mattress works equally well on platform beds, slatted frames, box springs, and standard foundations. Buying an adjustable-compatible model now gives you flexibility to add an adjustable base later without replacing your mattress.
What are the benefits of sleeping on an adjustable base?
Adjustable bases let you elevate your head and feet independently, which can help reduce snoring, ease acid reflux symptoms, relieve lower back pressure, and improve circulation. The zero-gravity position, head and knees slightly elevated, distributes body weight more evenly and may reduce pressure points.
How thick can a mattress be and still work on an adjustable base?
Most adjustable bases accommodate mattresses between 8″ and 14″ in height. Thinner mattresses (under 12″) generally flex more easily, while thicker models may bend less dramatically at the joints. National Mattress carries adjustable-compatible models from 4″ to 18″, all verified by the manufacturer.
Do adjustable base friendly mattresses ship free across Canada?
For current delivery availability and terms, read our delivery information. When choosing a mattress for an adjustable base, also review the sleep trial terms and price match policy.

Not Sure Which Adjustable-Friendly Mattress Is Right for You?

Our non-commissioned sleep experts can help match you with the right mattress and adjustable base combination, no sales pressure, just honest guidance.

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