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Cluster: Head-to-Head Model Showdowns & Spec DiscrepanciesID: QST-SHW-002

Saatva Classic 11.5" vs 14.5" Height Differences | Nappedia

Target Query:“saatva classic 11.5 vs 14.5 inch height construction difference”
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Subject: Saatva Classic 11.5" vs 14.5"
Direct Forensic Answer

Query: “saatva classic 11.5 vs 14.5 inch height construction difference”

Identical Feel; Lower Coil Height

Direct Answer Summary

The 11.5-inch and 14.5-inch Saatva Classic models have identical firmness ratings and identical top comfort layers (organic cotton Euro-pillow top, Lumbar Zone Active Wire, and 884 micro-pocket coils). The entire 3-inch difference resides solely in the lower Bonnell base coil unit: the 11.5-inch model uses 4-inch, 4-turn steel coils, whereas the 14.5-inch model uses 7-inch, 7-turn steel coils. The 11.5" is mandatory for adjustable bases.

Audited Core Takeaways

  • 1Feel, firmness, and top comfort layers are 100% identical between 11.5" and 14.5".
  • 2The 3-inch height variance is exclusively in the base Bonnell coils (4-turn vs 7-turn).
  • 3Saatva strictly warrants only the 11.5" model for use on adjustable power bed frames.
3D Layer-Peel Visualizer
Interactive Laboratory View

Interactive Exploded Architecture & Layer Inspection

Peel through the physical mattress assembly to audit coil gauge, foam density (PCF), indentation load deflection (ILD), and flame barrier composition.

Forensic Construction Map✓ Verified Sequence

Saatva 11.5 vs 14.5 Base Coil Unit · Layer Stratigraphy

Profile: 11.00"
Strata: 3 Layers
Active Layer: Euro Pillow Top
3" (QUILT)
Thickness: 3"Material: Organic Cotton Quilted Foam
L1: Euro Pillow Top3"L2: Pocketed Micro-Coils4"14.75 AWG LUMBAR ZONEL3: Base Bonnell Coils4"

Vertical Layer Stack (3 Strata)

Click to expand specs

Identical on both heights

Thickness3 inches27.3% of stack
MaterialOrganic Cotton Quilted Foam

884 pocket coils (Queen)

Thickness4 inches36.4% of stack
MaterialIndividually Wrapped Coils
Coil Wire Gauge14.5 AWGFirm support spring

4" (11.5" model) or 7" (14.5" model)

Thickness4 inches36.4% of stack
MaterialTempered Steel Bonnell Coils
Coil Wire Gauge13 AWGFirm support spring
Audited Metrics4 Verified Metrics

Saatva Classic 11.5" vs 14.5" Forensic Specifications

Physical construction measurements and laboratory ratings evaluated against regulatory, medical, and durability benchmarks.

Specification / MetricMeasured ValueBenchmark / StandardStatus
Base Coil Height Difference11.5" uses 4" Coils; 14.5" uses 7" Coils3.0" Pure Base Steel VariancePass
Base Coil Turn Count11.5": 4-Turn Coils; 14.5": 7-Turn CoilsShorter Coil Compresses StifferPass
Adjustable Base Compatibility11.5": 100% Approved; 14.5": Void / Not RecommendedSaatva Engineering MandateWarning
Mattress Weight Comparison11.5": ~105 lbs; 14.5": ~120 lbs (Queen)Heavy Hybrid ConstructionPass

Standards Reference: Benchmarks derived from ASTM D3574 (flexible cellular foam), CPSC 16 CFR 1633 (open flame flammability), and clinical capillary closing thresholds (32.0 mmHg).

Spec Verification Protocol3 Actionable Steps

Comparative Spec Verification Protocol

Step-by-step inspection to detect mid-production substitutions and compare component specs.

Check Bed Base Type

Step 1

Order the 11.5" model if pairing with an adjustable power foundation or platform bed.

Critical Hazard to Avoid

The 14.5" model will bind and crush coils when bent on an adjustable base.

Measure Nightstand & Headboard Height

Step 2

Calculate combined bed height (frame + mattress) to ensure easy sitting entry.

Critical Hazard to Avoid

A 14.5" mattress on a 9" box spring creates an awkward 32" bed height.

Verify Fitted Sheet Pocket Depth

Step 3

Ensure sheets have at least 18" pockets if purchasing the 14.5" version.

Critical Hazard to Avoid

Standard 14" sheets will pop off the corners of the 14.5" Saatva Classic.

Authoritative Grounding

Primary Source Regulatory & Engineering Citations

2 Verified Sources

Every factual threshold, dimension, safety standard, and warranty policy cited on this page is derived directly from verified government filings, regulatory standards organizations, or official manufacturer technical documentation.

Saatva Inc.Manufacturer Specification

Saatva Technical Product Specification and Foundation Guide

www.saatva.com/specificationsView Source
ASTM InternationalASTM F1566

Standard Specification for Bedding Foundations and Mattress Height

www.astm.org/f1566-21.htmlView Source
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