SEALY® Queen Boxspring - High Profile 9"

SEALY® Queen Boxspring - High Profile 9" -

$170.00 $399.00

SEALY® Queen Boxspring - High Profile 9"

Firmness
Style High Profile
Height 9.0"
Sleep Position

Top Features

Quilt
Non-quilted Stretch Knit Non-Slip Fabric
Condition
Brand new, manufacturer sealed.
Warranty
10 Year Warranty
Read Full Product Description and Specifications

About this Brand

Sealy LogoSealy Logo

Sealy® mattresses provide reliable comfort and support at a budget-friendly price. This collection offers the perfect balance of innerspring support and cooling foam comfort, delivering Sealy quality to Canadians at great value.

SKU: SEALY-BOXSPRING-QUEEN-HIGH

FLASH SALE iconFLASH SALE TOP RATED iconTOP RATED LIMITED STOCK iconLIMITED STOCK
Our Price $202.00
$202.00
$170.00
Retail Price
$399.00

Availability

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Estimated Delivery Date: Unavailable Free delivery as soon as Delivery as soon as Free next-day delivery is available for in-stock items in eligible postal codes. Prefer a different day? Pick any available date during checkout. Next-day delivery is available for in-stock items in eligible postal codes. Prefer a different day? Pick any available date during checkout.
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Deluxe White Glove icon Deluxe White Glove for Includes delivery to your room of choice, professional unboxing and assembly by a specialized team, and complete cleanup with packaging removal, and removal of old mattress to the curb if required.
Only Pickup available icon Free pickup from your nearest location
Ground-Level Delivery to Front Door/Lobby for Delivery to the first door of the address or the lobby of an apartment or condo.
Inside Room Of Choice for Delivery inside the room of your choice.
Deluxe White Glove for Includes delivery to your room of choice, professional unboxing and assembly by a specialized team, and complete cleanup with packaging removal, and removal of old mattress to the curb if required.

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Sealy Queen Boxspring - High Profile 9" | Experience Elevated Comfort for Restful Nights

Introducing the Sealy Queen Boxspring - High Profile 9", where elegance meets functionality. This meticulously crafted boxspring serves as the perfect foundation to elevate your mattress, enhancing your bedroom's aesthetic and overall comfort. With its sleek design, sophisticated dark fabric, and innovative corner guards, you'll enjoy a serene sleeping environment that prioritizes both style and safety.

Key Features

  • Chic Design: The contemporary dark fabric finish complements any decor, making it a standout element in your bedroom.
  • Safety First: Equipped with robust corner guards, this boxspring offers added protection, ensuring safety for children and pets alike.
  • Seamless Compatibility: Tailored to fit all Queen size Sealy mattresses perfectly, ensuring an ideal sleep experience for all.
  • Strong Construction: Built from solid wood combined with a semi-flex metal wire frame, this boxspring delivers dependable support throughout the night.

Benefits

  • Perfect Height: Standing at 9 inches, it facilitates easy access to your bed, enhancing the elegance of your bedroom while making getting in and out of bed seamless.
  • Supportive Comfort: This boxspring expertly balances softness and reliable support, promoting refreshed mornings and restorative sleep.
  • Long-lasting Quality: Known for durability, Sealy ensures this boxspring will maintain its integrity, providing comfort you can trust over time.
  • Easy Maintenance: The non-skid top feature secures your mattress in place while simplifying cleaning routines.

Ideal For

  • Sleep enthusiasts eager to enhance their rest by upgrading their mattress foundation.
  • Families seeking a safer sleeping setup, complete with corner guards for ultimate peace of mind.
  • Owners of Queen size Sealy mattresses desiring a stylish and robust support solution.

Details

  • Dimensions: 60" x 80" (152.5cm x 203cm)
  • Profile Height: 9" (22.8cm)
  • Firmness: Designed to provide a harmonious blend of gentle support and robust stability.
  • Warranty: Comes with a comprehensive manufacturer's warranty for your peace of mind.
  • Guarantees: Enjoy prompt next day delivery, along with a flexible price match guarantee.

In summary, the Sealy Queen Boxspring - High Profile 9" is a crucial addition to your sleep sanctuary. With its modern design and sturdy safety features, this boxspring redefines your nighttime routine, transforming it into a luxurious escape. Revel in the comfort and embrace restorative sleep like never before.

Accessory Size Queen
Trending & Offers Top Rated, On Sale, Limited Stock
Core Type Solid Wood with Semi-flex Metal Wire Frame
Core Density 22-31 lb/ft³
Core Material Spruce/Pine/Fir (SPF) with Steel Wire
Brands Sealy
Price Range Premium
Model Queen High Profile 9"
Condition Brand new, manufacturer sealed.
Warranty 10 Year Warranty
Cover Material Non-Skid Top. Fabric may vary.
Colour Black
Quilt Non-quilted Stretch Knit Non-Slip Fabric
Mattress Height in Inches 9.00 Inches
Additional Features Corner Guards
Certifications Sealy® foundations comes from suppliers certified by the Sustainable Forestry Initiative (SFI), Forest Stewardship Council (FSC), or Canadian Standards Association (CSA), ensuring responsible sourcing.
Compatible With Adjustable Beds No
Vented Yes
Removable Cover No
Assembly Required No
Care Instruction Spot clean only.
Country Of Origin Canada
Manufacturer Contact Information http://www.sealycanada.com/
Shipping Scheduled delivery with National Mattress. Please select your preferred delivery date in the checkout.
Custom Sizes Available No
Product Length (inches) 80.0 in
Product Width (inches) 60.0 in
Product Height (inches) 9.0 in
Product Length (cm) 203.2 cm
Product Width (cm) 152.4 cm
Product Height (cm) 22.9 cm
Product Weight (kg) 28.3 kg
Product Category Boxspring
Product Type Accessories - Boxspring
Product Sub Type High Profile

Serta Perfect Sleeper 10.5" Firm Tight Top Mattress Performance & Feel - Full Comfort Analysis

Overview: The Serta Perfect Sleeper 10.5" Firm Tight Top is a premium hybrid from Serta's Perfect Sleeper® collection (est. 1931), developed in partnership with the National Sleep Foundation to address common sleep problems including temperature regulation, partner disturbance, and tossing/turning. With a firm feel (8/10) and very minimal sinkage (1.58 inches), this mattress delivers exceptional cooling, outstanding edge support, and responsive bounce at an accessible premium price under $550 (Queen), ideal for back and stomach sleepers seeking a supportive, on-top sleeping surface.

Realistic Expectations
These scores reflect realistic expectations based on construction, materials, and verified owner feedback. Your results will vary by body type, base, and room temperature.

Quick Specs

SpecDetails
Mattress TypeHybrid (Tight Top with Pocket Coils)
Firmness8/10 (Firm)
Mattress Height10.5 in (26.67 cm)
Comfort Layer Thickness1 in (2.54 cm)
Queen Price$547
Fiberglass-FreeYes
Ships in a BoxNo
CertificationsCertiPUR-US® certified foams

Performance Scores - Comfort IQ™ Score

Comfort IQ™ Scores are derived from published specifications, materials, and construction details to help compare mattresses consistently.

↔ Scroll table for more details

Category Score
(0-10)
Key Inputs What it means for you
Overall Score 9.9 Type: Hybrid • Firmness: 8/10 • Price (Queen): $547 A near-perfect premium hybrid from Serta's Perfect Sleeper® collection delivering exceptional performance across virtually all categories at excellent value.
Cooling 10.0 Cover: CoolFeel Fabric™ + Fiber Layer • Cooling features: Gel-infused foams, coil airflow Exceptional cooling performance; the CoolFeel Fabric™, gel-infused foams, and open coil system keep this mattress sleeping cool for virtually all sleepers.
Sink-in Feel / Contour Not a score Sinkage: 1.58 in (4.01 cm) • Feel: Very Minimal (Light Contour) You will feel firmly supported on top of the mattress with only slight body contouring; this is a firm, on-top sleeping experience.
Motion Isolation 9.0 Type: Hybrid • Coil type: 825 Edition Custom Support Coil System • Comfort thickness: 1 in (2.54 cm) Excellent motion isolation; the comfort foams add a buffering layer that helps dampen vibration and cut down on cross-bed disturbance.
Responsiveness 10.0 Top feel: PillowSoft Foam + Serta Support Foam • Firmness: 8/10 Very responsive with a buoyant feel; the coil support core and firmer surface make rolling and changing positions exceptionally easy.
Bounce 10.0 Bounce feel: High The 825 Edition Custom Support Coil System provides excellent bounce and lift, making position changes feel effortless.
Edge Support 10.0 Edge feature: Reinforced perimeter • Coil gauge: 16/15.5/16 Exceptional edge stability; the reinforced perimeter provides consistent support when sitting or sleeping near the edge.
Pressure Relief 10.0 Comfort layers: PillowSoft Foam + Serta Support Foam + Gel Band Support • Zoning: Custom Support zoned coils Excellent pressure relief for a firm mattress; the zoned coils add targeted give at pressure points while maintaining support.
Off-Gassing 10.0 Estimated: 1 day • Certifications: CertiPUR-US® Expect low initial odour that typically dissipates within a day; CertiPUR-US certification ensures low VOC emissions.
Couples / Intimacy 9.7 Derived from Bounce + Edge + Motion Exceptional for couples with outstanding bounce, rock-solid edge support, and excellent motion isolation.

Best For

  • Back and stomach sleepers who need firm support (8/10) with a sleek tight-top design that maintains proper spinal alignment and prevents hip sinking, developed in partnership with the National Sleep Foundation.
  • Hot sleepers seeking exceptional cooling, as the CoolFeel Fabric™, gel-infused foams, and 825 Edition Custom Support Coil System achieve one of the coolest settling temperatures available at this price point.
  • Couples seeking a premium mattress with outstanding bounce (10.0), rock-solid edge support (10.0), and excellent motion isolation (9.0) at under $550 (Queen).

Considerations

  • Side sleepers who need deep pressure relief may find the firm tight-top design (1.58 inches sinkage) provides less cushioning than they prefer at the shoulders and hips; consider a Euro-top or plush option.
  • Those who prefer a plush, sinking-in feel should look elsewhere; this mattress keeps you firmly on top with minimal sinkage and light contouring.
  • Lighter sleepers (under 130 lb) may find this mattress feels quite firm, as the very minimal sinkage is designed for medium to heavier body types.

Feel & Firmness

At 8/10 on the firmness scale, the Serta Perfect Sleeper 10.5" Firm Tight Top delivers a true firm feel with a sleek, streamlined sleeping surface. With only 1.58 inches (4.01 cm) of sinkage, you will feel firmly positioned on top of the mattress with light body contouring rather than cradled into the surface. The tight-top design provides a modern, flat sleeping surface without the additional bulk of a pillow top or Euro top, while the gel-infused foams provide just enough cushioning at pressure points.

The responsiveness score of 10.0 reflects very buoyant feel with excellent lift from the coil support core. The 825 Edition Custom Support Coil System adds spring and lift, while the minimal sinkage keeps you more on top of the bed. The firmer surface helps you push off and reposition with ease, making this excellent for combination sleepers who favour back or stomach sleeping but occasionally shift positions throughout the night.

Cooling

This mattress earns a perfect 10.0 cooling score thanks to Serta's comprehensive cooling system developed in partnership with the National Sleep Foundation. The CoolFeel Fabric™ cover provides a cool-to-the-touch feel at contact, while the Fiber Layer enhances airflow. The gel-infused foams help draw heat away from the body, and the 825 Edition Custom Support Coil System creates open channels for continuous airflow throughout the mattress. In temperature observations, the mattress showed a baseline of 22.0°C (71.6°F), a maximum of 29.9°C (85.8°F), and settled at just 24.6°C (76.3°F). This is among the coolest-sleeping firm mattresses available at this price point.

Motion Isolation

Scoring an excellent 9.0 for motion isolation, this hybrid provides outstanding partner disturbance reduction. The comfort foams add a buffering layer that helps dampen vibration at the surface, while layering foams over the coil unit helps cut down on cross-bed vibration. The Perfect Sleeper® collection was specifically designed in partnership with the National Sleep Foundation to address partner disturbance. While the high bounce may cause slightly more motion transfer than all-foam designs, this is exceptional for a responsive hybrid at this price point.

Edge Support

With a perfect 10.0 edge support score, this mattress provides exceptional perimeter stability thanks to the reinforced edge design. The 825 Edition Custom Support Coil System with varying gauge wire (16/15.5/16) adds structural integrity that resists compression when sitting on the edge or sleeping near the side. Maximum edge sinkage was measured at only 2.90 inches (7.37 cm), which is excellent for a 10.5-inch tight-top mattress. Couples who need to use the full sleep surface will appreciate the consistent support from centre to edge.

Pressure Relief

The Serta Perfect Sleeper 10.5" Firm Tight Top earns a perfect 10.0 pressure relief score, which is exceptional for a firm tight-top mattress. The gel-infused cushioning foams create light contouring at the shoulders and hips, while the zoned 825 Edition Custom Support Coil System adds extra give at pressure points. The Gel Band Support provides targeted cushioning in the lumbar region. Despite the firm feel (8/10), the zoned design provides excellent pressure relief for back sleepers while stomach sleepers benefit from the firm support that prevents hip sinking.

Off-Gassing

As a premium hybrid with CertiPUR-US® certified foams, this mattress may have a low initial odour upon delivery that typically dissipates within 1 day based on reported experience. The combination of certified foams and the breathable coil system helps minimize and dissipate any new-mattress smell quickly.

For best results, allow the mattress to air out in a well-ventilated room for several hours after delivery. Washing your sheets before first use can also help ensure a fresh sleeping environment.

Construction & Materials

The Serta Perfect Sleeper 10.5" Firm Tight Top is a Canadian-made premium hybrid from Serta's Perfect Sleeper® collection (est. 1931), developed in partnership with the National Sleep Foundation to address common sleep problems. The CoolFeel Fabric™ cover provides temperature regulation over the Fiber Layer. The comfort system features 0.5-inch PillowSoft Foam and 0.5-inch Serta Support Foam. The transition system includes 1-inch Serta® Support Foam, Gel Band Support, and 0.5-inch Serta® Balanced Support Pad. The support core consists of the 825 Edition Custom Support Coil System (ranging from 455 in smaller sizes to 1087 in larger sizes) with varying gauge wire (16/15.5/16) and reinforced perimeter. This premium construction is backed by a 10-year warranty.

↔ Scroll table for more details

Layer (Top → Bottom) Material Thickness Notes
1CoolFeel Fabric™ + Fiber LayerQuiltedCool-touch, breathable
2PillowSoft Foam + Serta Support Foam1 in (2.54 cm)Cushioning comfort
3Serta® Support Foam + Gel Band Support + Balanced Support Pad2 in (5.08 cm)Gel-infused transition
4825 Edition Custom Support Coil System7.5 in (19.05 cm)455-1087 coils by size, zoned support

Sleep Position & Body Weight Fit

The firm feel (8/10) and tight-top design make this mattress particularly well-suited for back and stomach sleepers who need a stable, supportive surface to maintain proper spinal alignment. The zoned coil system adds targeted lift under the hips and lumbar area to keep the spine level. Designed in partnership with the National Sleep Foundation, the Perfect Sleeper® helps address common sleep issues including tossing/turning. Side sleepers may find this mattress too firm, as the minimal sinkage (1.58 inches) provides light contouring rather than deep pressure relief at the shoulders and hips.

↔ Scroll table for more details

Sleeper Weight Side Sleepers Back Sleepers Stomach Sleepers
Under 150 lbFairGoodExcellent
150-250 lbGoodExcellentExcellent
250-300 lbGoodExcellentExcellent
300+ lbFairGoodGood

Policies & What To Know

Related shopping help:

Shop all Serta mattresses Shop all Hybrid mattresses Shop Firm mattresses

FAQs

Is the Serta Perfect Sleeper 10.5" Firm Tight Top good for hot sleepers?

Yes, this mattress is exceptional for hot sleepers, scoring a perfect 10.0 for cooling. The CoolFeel Fabric™ cover, gel-infused foams, and 825 Edition Custom Support Coil airflow system regulate temperature effectively. Developed in partnership with the National Sleep Foundation to address sleeping too hot or too cold, temperature observations showed the mattress settling at just 24.6°C (76.3°F), which is among the coolest-sleeping firm mattresses available at this price point.

Does the Serta Perfect Sleeper 10.5" Firm Tight Top feel like you sink in or stay on top?

You will stay firmly on top of this mattress. With only 1.58 inches (4.01 cm) of sinkage and a firm rating (8/10), the tight-top design provides a supportive, on-top sleeping experience with light body contouring. There is no deep-sink or body-hugging sensation with this mattress.

Is it a good choice for couples?

This mattress is exceptional for couples, earning a 9.7 Couples/Intimacy score. Developed in partnership with the National Sleep Foundation to address partner disturbance, it excels in motion isolation (9.0), bounce (10.0), and edge support (10.0). Couples will appreciate the responsive feel for repositioning and the rock-solid edge support that allows both partners to use the full sleep surface.

What sleep positions is it best for?

The Serta Perfect Sleeper 10.5" Firm Tight Top is best suited for back and stomach sleepers who need firm support to prevent hip sinking and maintain proper spinal alignment. The zoned coil system provides targeted lumbar support. Side sleepers may find this mattress too firm; those who sleep primarily on their side should consider a Euro-top or plush option with deeper pressure relief.

How long does off-gassing usually last?

Based on owner feedback and the CertiPUR-US® certified foams used in this mattress, any initial odour is typically low and dissipates within 1 day. Allow the mattress to air out in a well-ventilated room after delivery for best results.

Sealy Boxspring - Spec

 

Purpose of a Boxspring

A boxspring is used to support your mattress and to add height to your bed.

Support – A boxspring will ensure that your mattress is supported properly, and its weight is distributed evenly throughout the bed.  Proper support is essential to maintain the integrity and longevity of your mattress.  A boxspring can be placed directly on the floor, or used with any supportive bedframe.

Height – Boxsprings also add height to your bed.  Whether you like your bed to be lower to the ground, or higher up, you can find various heights of boxpsrings to make your bed just right.  Standard size boxsprings are usually used with bedframes as high as 11 inches off the ground.  If your bedframe is higher than 11 inches, you may want to consider a low profile boxspring to make it easier to get in and out of bed.  These are just guidelines, so we do recommend measuring your existing bedframe and then deciding on the height of the boxspring you require once you have picked out your new mattress.  Mattress heights can differ greatly from one model to another. 

Did you know: Bedframes with supportive slats which are spaced no more than 2 inches apart, typically do not require a boxspring.  However, to add additional support, you may look into a platform foundation which will not raise the overall height of your bed too much (only 2 inches in height) but will add support if you need it.

Matching boxsprings usually have the same colour fabric as your mattress, however mix-match boxsprings are a great option to save some money as they still provide the support your mattress needs, and once you put on bedsheets and a bed skirt you don’t see the colour of the mattress and boxspring anyways.

Greater Toronto Area and Ontario Delivery Map

What's Included

We offer FREE DELIVERY to all major cities in Ontario on orders over $199. A delivery surcharge of $45 applies to orders under $199.

Select your delivery date at checkout and add any special instructions in the order comments. You'll receive a 2‑hour window and live tracking on delivery day.

Greater Toronto Area and Ontario Free Mattress Delivery Map

Ontario Local Delivery Areas

How to Schedule Your Delivery
  • Select Your Date at Checkout — Choose any available slot that fits your calendar.
  • Add Special Instructions — Use the "Order Comments" box for buzz‑codes, parking tips, or gate info.
  • Watch for Confirmation — If your chosen date isn't available, our team will e‑mail an alternative.
  • Day‑of Notifications — Expect a text and e‑mail with a 2‑hour arrival window and live GPS tracking.
Delivery‑Day Checklist
  • Clear Pathways: Remove pictures, décor, and trip hazards from halls & stairs.
  • Protect Floors: Cover delicate surfaces; salt or de‑ice exterior steps in winter.
  • Measure First: Ensure doorways, corners, and stairwells accommodate your mattress—especially King sizes.
  • Big Mattress? If tight squeezes or bends are required, you may be asked to sign a damage waiver.
Service Promise & Safety
  • Fully insured, background‑checked delivery specialists
  • Clean trucks & protective mattress bags on every run
  • Optional removal of old mattresses (select areas & fees)
  • Eco‑friendly recycling partnerships for packaging materials
Need delivery outside Ontario?

We ship select roll‑packed mattresses to all provinces (YT, NT, NU excluded). View Canada-wide shipping options →

Questions About Delivery?

View complete delivery information including FAQs, or contact our team directly.

Full Delivery Details

The box spring is made of both a wooden border and metal wire throughout.

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Yes, this box spring works with foam mattresses. Just keep in mind that some foam mattresses (especially memory foam) work best on a flat, solid surface. If your foam mattress manufacturer recommends a platform or solid foundation, that might be a better...

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Sealy innerspring mattresses use a coil support system with comfort layers on top, offering a more traditional, bouncy feel. Sealy foam mattresses rely on supportive and contouring foams for a more wrapped feel with strong motion isolation. Sealy hybrid...

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Yes, many Sealy mattresses incorporate memory foam, gel-infused foams, or other specialty comfort layers in their designs. These materials can help with pressure relief, contouring, and temperature regulation, depending on the specific model and collection...

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This Sealy mattress uses carefully selected comfort and support foams that may include standard polyfoam, memory foam, or gel-infused foam to help balance comfort, support, and temperature regulation. See the product's materials and construction section...

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Sealy offers mattresses at a range of price points, from budget-friendly options to more feature-rich collections. Many customers find Sealy mattresses to be a good value because they balance brand reputation, comfort, and support with accessible pricing...

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Many Sealy mattresses can be used on platform beds or slatted frames as long as the support surface is strong, stable, and properly spaced. Check the Sealy care and support guidelines for your model to make sure your foundation meets the requirements...

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Sealy designs many of their mattresses to emphasize proper support and spinal alignment, often with reinforced center zones and carefully tuned coil or foam systems. The level of support depends on the specific model and firmness, so it's important to...

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Several Sealy mattresses are designed to be compatible with adjustable bases and can bend and flex as the base moves. Check the product description for notes on adjustable base compatibility; if listed as compatible, you can pair this mattress with an...

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Back and stomach sleepers usually do well on medium to firm Sealy mattresses that keep the hips and torso from sinking too deeply. These comfort levels help support the lower back and promote a more neutral spinal alignment during the night.

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This product is designed as described on the product page. Some models are traditional box springs with internal springs, while others are rigid foundations that look similar but do not flex. Check the construction details in the description to see which...

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The height of this box spring is listed in the product specifications, for example standard height around 8 to 9 inches or low profile around 4 to 5 inches. Check the measurement to see how much it will raise your mattress and whether that fits your ...

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This box spring may be delivered as a full size unit or as an easy to assemble kit that ships in a compact box. Check the shipping details on the product page for information about packaging, assembly requirements, and whether any special delivery services...

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