Sealy Castra Firm


Whatever you do in bed, Sealy supports it.

Quilt - Top of Mattress
FlameGuard Fiber
3/4" SealyFoam

Comfort - Padding Layers
1" SealyFoam

Correct Back Support System
Coil System: PostureTech Coil
Coil Gauge: 14
Double Border Rod With Corner Supports

Bottom Line Is this a good bed for you?

Fit: Recommended for people who...

Prefer to sleep on their back
Prefer to sleep on their stomach
Prefer only a bit of softness

Function: Rated for its...

Motion Isolation
Pressure Relief

Features: Contains...

  • Foam
  • Innerspring
See specs for the Castra Firm »

Reviews Castra Firm

The Sealy Castra Firm mattress model is recommended by 100% of owners on GoodBed (based on 1 rating).

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Ratings from Retailer Sites Castra Firm

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Q&A Castra Firm

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Model Features Castra Firm

Comfort Level:
Surface Type:
Tight Top


Mattress Components:
Special Characteristics:


Overall Build
  • No-Flip
  • Mattress Thickness: 8.5"

About this Model Castra Firm

Active (edit this)
Model Name:
Castra Firm

Additional Information Castra Firm


The Castra Firm is a tight top firm mattress model that is manufactured by Sealy.


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