Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 52 × 91 inGet a quote
Thor Chateau 19Z 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 19Z floorplan
Thor's 2027 19Z floorplan.
Is this your 19Z?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2025 | Chateau 19Z | 20'-5" | – |
| 2026 | Chateau 19Z | 20'-5" | – |
| 2027 | Chateau 19Z | 20'-5" | 3 |
Other Chateau mattress sizes
Sources
- Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/62ff783963f0d0a/original/Z64ACZbqstJ9-lID_2025-TS-Chateau-021225-pdf.pdf
- Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/5fe233a092843e7e/original/aM1v_p5xUNkB06YG_2026-OH-Chateau-pdf.pdf
- Thor (thormotorcoach.com): https://www.thormotorcoach.com/chateau/floor-plans/19z
Questions
What size are the Thor Chateau 19Z bunk mattresses?
52 × 91 in (Thor spec sheet, 2026).