Firm All Mattresses

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

Shop 200+ mattresses from Serta, Beautyrest, Sealy, Tempur-Pedic, Springwall, and Stearns & Foster at National Mattress — available in Single/Twin through King sizes from $99 to $6,640. Choose from innerspring, euro-top, memory foam, hybrid, and latex constructions in four firmness levels from extra firm to plush. Every mattress is manufactured in Canadian factories using CertiPUR-US® certified foams and ships free across Canada with a 365-night sleep trial, price match guarantee, and manufacturer warranty coverage up to 25 years.

Firm All Mattresses
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  • Springwall H2 Black Chiropractic 15-inch luxury-firm euro-top mattress, all-black quilted top, grey piping SPRINGWALL® H2 Black Chiropractic® 15" Medium Firm Euro Top Mattress brand icon
    • 3250 7-Zoned Chiropractic® Pocket Coils
    • Graphite Ice Memory Foam
    • AIRWAYS™ Specialty Foam
    • H2 Comfort Foam
    • CoreBalance™ Support System
    • Cold PE Technology Premium Fabric
    • Handcrafted and Individually Signed For Authenticity
    Single/Twin In stock for fast delivery $1,899
    Twin XL In stock for fast delivery $1,899
    Double/Full In stock for fast delivery $1,899
    Queen In stock for fast delivery $2,199
    Compare at $3,599
    King In stock for fast delivery $2,599
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 18
    Pickup available icon Only Pickup available to
  • Springwall H2 Black Chiropractic 15-inch luxury-firm euro-top mattress, all-black quilted top, grey piping SPRINGWALL® H2 Black Chiropractic® 15" Luxury Firm Euro Top Mattress - Double/Full brand icon
    • 3250 7-Zoned Chiropractic® Pocket Coils
    • Graphite Ice Memory Foam
    • AIRWAYS™ Specialty Foam
    • H2 Comfort Foam
    • CoreBalance™ Support System
    • Cold PE Technology Premium Fabric
    • Handcrafted and Individually Signed For Authenticity
    Double/Full In stock for fast delivery $1,899
    Compare at $3,199
    Online availability icon In-Stock Only 1 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 18
    Pickup available icon Only Pickup available to
  • Springwall H2 Black Chiropractic 15-inch luxury-firm euro-top mattress, all-black quilted top, grey piping SPRINGWALL® H2 Black Chiropractic® 15" Luxury Firm Euro Top Mattress - Single/Twin brand icon
    • 3250 7-Zoned Chiropractic® Pocket Coils
    • Graphite Ice Memory Foam
    • AIRWAYS™ Specialty Foam
    • H2 Comfort Foam
    • CoreBalance™ Support System
    • Cold PE Technology Premium Fabric
    • Handcrafted and Individually Signed For Authenticity
    Single/Twin In stock for fast delivery $1,899
    Compare at $2,599
    Online availability icon In-Stock Only 1 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 18
    Pickup available icon Only Pickup available to
  • Springwall H2 Black Chiropractic 15-inch luxury-firm euro-top mattress, all-black quilted top, grey piping SPRINGWALL® H2 Black Chiropractic® 15" Luxury Firm Euro Top Mattress - Twin XL brand icon
    • 3250 7-Zoned Chiropractic® Pocket Coils
    • Graphite Ice Memory Foam
    • AIRWAYS™ Specialty Foam
    • H2 Comfort Foam
    • CoreBalance™ Support System
    • Cold PE Technology Premium Fabric
    • Handcrafted and Individually Signed For Authenticity
    Twin XL In stock for fast delivery $1,899
    Compare at $3,199
    Online availability icon In-Stock Only 7 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 18
    Pickup available icon Only Pickup available to
  • Springwall H2 Black Chiropractic 15-inch luxury-firm euro-top mattress, all-black quilted top, grey piping SPRINGWALL® H2 Black Chiropractic® 15" Luxury Firm Euro Top Mattress - Queen brand icon
    • 3250 7-Zoned Chiropractic® Pocket Coils
    • Graphite Ice Memory Foam
    • AIRWAYS™ Specialty Foam
    • H2 Comfort Foam
    • CoreBalance™ Support System
    • Cold PE Technology Premium Fabric
    • Handcrafted and Individually Signed For Authenticity
    Queen In stock for fast delivery $2,199
    Compare at $3,599
    Online availability icon In-Stock Only 2 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 18
    Pickup available icon Only Pickup available to
  • Springwall H2 Black Chiropractic 15-inch luxury-firm euro-top mattress, all-black quilted top, grey piping SPRINGWALL® H2 Black Chiropractic® 15" Luxury Firm Euro Top Mattress - King brand icon
    • 3250 7-Zoned Chiropractic® Pocket Coils
    • Graphite Ice Memory Foam
    • AIRWAYS™ Specialty Foam
    • H2 Comfort Foam
    • CoreBalance™ Support System
    • Cold PE Technology Premium Fabric
    • Handcrafted and Individually Signed For Authenticity
    King In stock for fast delivery $2,599
    Compare at $4,799
    Online availability icon In-Stock Only 2 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 18
    Pickup available icon Only Pickup available to

6 Items

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