Custom size
Mattress InsiderPark Meadow Encased Coil II
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
Made to 52 × 91 inGet a quote
Thor Quantum LC19 mattress size
Bunks52 × 91 in
Bunk. Thor spec sheet, 2026.
Common RV bunk sizes →
Bunk mattresses in 52 × 91 in
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.
Bed sizes by year
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2025 | – | 52 × 91 in | 54 x 77 Dinette Bed | Thor spec sheet |
| 2026 | – | 52 × 91 in | 54 x 77 Dinette Bed | Thor spec sheet |
Years not listed weren't published.
The LC19 floorplan
Thor's 2027 LC19 floorplan.
Is this your LC19?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2025 | Quantum LC19 | 20'-5" | – |
| 2026 | Quantum LC19 | 20'-5" | – |
| 2027 | Quantum LC19 | 20'-5" | 3 |
Other Quantum mattress sizes
Sources
- Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/7862dac75d169fcf/original/Z64ALJbqstJ9-lIS_2025-TS-Quantum-021225-pdf.pdf
- Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/79058c180a7dd728/original/aM1xcJ5xUNkB06Ym_2026-OH-Quantum-pdf.pdf
- Thor (thormotorcoach.com): https://www.thormotorcoach.com/quantum/floor-plans/lc19
Questions
What size are the Thor Quantum LC19 bunk mattresses?
52 × 91 in (Thor spec sheet, 2026).