Bed Frame Boxspring Mattresses for Standard Bed Frames Grey Mattresses All

These mattresses are built for a standard bed frame, box spring or platform bed rather than an adjustable base — solid, no-flex support for a classic setup. Shopping by feel or build instead? Browse by comfort (plush, medium, firm) or by type (memory foam, hybrid, pocket coil, traditional). Using an adjustable base? See our adjustable-bed-compatible mattresses. Every order includes a 365-night sleep trial and free delivery across Canada.
These mattresses feature a grey or neutral-tone cover — and since that cover sits under your sheets, colour won't change how you sleep. To find the right bed, shop by size (twin to king), comfort (plush, medium, firm), or type (memory foam, hybrid, pocket coil). Every mattress includes a 365-night sleep trial and free delivery across Canada.

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MARSHALL® Boxspring - High Profile 9"
LIMITED STOCK NEW ARRIVAL
Kiln-Dried Wood Foundation
Classic 9″ High Profile
Pairs With Any Mattress
OEKO-TEX® Certified Cover
FSC-Certified Wood
10 Year Warranty
Made In Canada
Single/Twin $410
Twin XL $435
Double/Full $560
Queen $595
Compare at $999
Queen Split $865
King Split $865
In-Stock Only 7 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 12
Only Pickup available to
M5H 2N1
View Details
MARSHALL® Boxspring - Low Profile 6"
LIMITED STOCK NEW ARRIVAL
Kiln-Dried Wood Foundation
Low 6″ Profile
Full-Frame Support
Pairs With Any Mattress
OEKO-TEX® Certified Cover
10 Year Warranty
Made In Canada
Single/Twin $410
Twin XL SOLD OUT
Double/Full $560
Queen $595
Compare at $999
Queen Split $865
King Split $865
In-Stock Only 4 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 12
Only Pickup available to
M5H 2N1
View Details
MARSHALL® Boxspring - Posture Board 2"
LIMITED STOCK NEW ARRIVAL
Kiln-Dried Wood Platform
Slim 2″ Profile
For Platform & Slatted Beds
OEKO-TEX® Certified Cover
FSC-Certified Wood
10 Year Warranty
Made In Canada
Single/Twin $410
Twin XL $435
Double/Full $560
Queen $595
Compare at $999
Queen Split $865
King Split $865
In-Stock Only 7 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 12
Only Pickup available to
M5H 2N1
View Details

Upgrade your sleep at National Mattress

Discover a mattress that transforms your sleep into a truly rejuvenating experience. We offer a wide variety of options to suit every sleep style and preference, ensuring a better night's sleep.

Why Choose Us?

Variety: From plush to firm, we have options for every body type and sleep style.
Quality: Trusted brands and top-notch materials for long-lasting comfort.
Sleep Trials & Warranties: Enjoy peace of mind with flexible trials and warranties.
Expert Advice: Get personalized recommendations from our sleep specialists.

Mattress Selection Includes

Memory Foam: Contours to your body for personalized comfort and pressure relief.
Hybrid: Combines responsive springs with foam for balanced support and comfort.
Innerspring: Provides firm support, bounce, and cooling airflow.
Latex: Hypoallergenic, eco-friendly, and exceptionally comfortable.
Adjustable Beds: Customize your sleep position for optimal comfort.

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Thousands in Stock

We have over 1,000 mattresses in stock.

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