The practical problem with a 1,000-piece puzzle is that it needs a table for two weeks and most households only have one table. Here are the best options for storing an unfinished puzzle without losing what you have built.
A puzzle mat — the most practical solution
A puzzle mat is a felt or foam surface you assemble your puzzle on, which rolls up around a cardboard tube and secures with straps. The puzzle rolls with it, pieces stay in place, and the whole thing stores under a bed or behind a sofa. Two minutes to roll up, two minutes to unroll.
Before buying, check the dimensions against your puzzle's finished size. A 1,000-piece House of Puzzles puzzle finishes at 48 x 69 cm; a 1,000-piece Ravensburger finishes at 70 x 50 cm. Most standard mats cover both, but worth confirming. Very large puzzles — 1,500 pieces and up — can be trickier to roll cleanly without pieces shifting.
A puzzle board with a cover
A rigid board lets you slide the whole puzzle to another location without rolling it. Some come with a sliding cover or lid. No stress on the pieces at all, and easier to move than a rolled mat. The downside is that it takes up the same footprint wherever it goes — useful if you have a dedicated spot, less so if you do not.
Puzzle keeper trays
Flat, lidded trays for sorted-but-unplaced pieces. Not a solution for storing the assembled portion, but useful for keeping sorted piles intact when you need to clear the table temporarily. Pair with a puzzle mat for a complete system.
Slide it onto a board and lean it
For a short-term move — a dinner, an unexpected guest — slide an assembled section onto thin plywood or MDF and stand it upright against a wall. Works for firmly interlocking pieces (Ravensburger and House of Puzzles both qualify). Not a long-term solution but useful to know in a hurry.
What not to do
Roll, do not fold — a crease will separate pieces along a line. Do not stack anything on top of an in-progress puzzle even lightly. Do not leave a puzzle in direct sunlight for extended periods — the illustration can fade and the board can warp.
If the real issue is that you want something completable before you need the table back, the 500-piece House of Puzzles range is worth a look — titles like Plum Jam, Pleasant Evening, and Street Market are solid sessions at $25.99 each.