Do Metal Dice Damage Tables and Playmats? What to Know
By Infinite Black - Elder Dice, Vast Grimm, and Unique RPG | Published: 2026-10-16
Category: 商品レビュー
Metal dice are heavier than plastic, but they don't have to wreck your table or playmat. Here's what actually causes damage and how to prevent it.
Quick answer
Metal dice are heavier and harder than plastic, so they can dent soft wood or scratch a bare table if you roll them directly on it. But they won't damage a quality playmat or a table protected by one. The real risk is dropping them from height onto an unprotected surface, not rolling them normally on a mat.
What actually causes damage when you roll metal dice
Damage from metal dice comes down to three things: the surface they hit, the height they fall from, and whether they have sharp edges. A smooth playmat absorbs impact and keeps the dice from contacting the table underneath. A bare wooden table, especially one with a soft finish, can get small dents or scratches from repeated rolls. Glass and polished stone are more scratch-resistant but can chip if a heavy die lands on an edge.
The weight of metal dice means they hit harder than plastic. A standard metal d20 can weigh several times what a plastic one does. That extra mass transfers more energy into whatever it lands on. If you roll from a normal seated height onto a playmat, the mat takes the hit. If you stand and drop dice onto a bare table, you're asking for trouble.
Why playmats are the simple solution
A playmat gives you a soft cloth top and a rubber backing that grips the table. The cloth cushions the impact, and the rubber keeps the mat from sliding. That means your dice land on fabric, not wood or stone. The mat also protects cards and keeps them from sliding around during play.
Not all playmats are the same. Stitched edges hold the layers together and prevent fraying over time. A smooth cloth top makes shuffling and card placement easier. The rubber backing matters because a sliding mat can expose the table underneath. If you're using metal dice, a mat with a durable backing and stitched edges will last longer and protect better.
When a dice tray makes more sense
If you play on a valuable table, a dice tray adds a second layer of protection. A tray with a felt or fabric lining catches dice and keeps them from rolling off the table. It also contains the impact in a small area, so even a heavy metal die won't touch the table surface. Trays are especially useful when you're playing away from home and don't know what kind of table you'll be using.
A tray doesn't replace a playmat for card games, but for RPGs where you roll dice frequently, it's a practical addition. You can use both: a playmat for your cards and character sheet, and a tray for dice. That way, metal dice never contact the table directly.
How to check your playmat for wear
Even with a playmat, metal dice can leave marks over time. Check the cloth surface for shiny spots or compressed areas where dice land most often. If the cloth starts to pill or the edges fray, it's time to replace the mat. Stitched edges are more resistant to fraying than unstitched ones, but no mat lasts forever under heavy use.
Inspect the rubber backing too. If it starts to crack or lose its grip, the mat will slide and expose the table. A mat that stays flat and grips well is doing its job. If it curls at the edges or slides easily, it's not protecting your table as well as it should.
Verdicts on common metal dice claims
- Metal dice will scratch any table: Only if you roll them directly on a bare surface. A playmat with a cloth top and rubber backing prevents contact with the table. Use a mat or tray, and your table stays safe.
- All playmats protect equally: Stitched edges and a durable rubber backing make a difference. Unstitched mats can fray faster, and a sliding mat exposes the table. Look for stitched edges and a grippy backing.
- You need a dice tray if you use metal dice: A tray helps on hard or valuable tables, but a quality playmat is often enough for normal play. Choose based on your table and how you roll.
Playmats that handle metal dice
- Reanimator - Premium Playmat: The Reanimator stitched-edge playmat has a smooth cloth top and rubber backing, with an anatomical heart design inspired by Dr. Herbert West's notes. The stitched edges resist fraying, and the rubber backing keeps the mat in place so metal dice don't slide it around or reach the table underneath.
- Beneath the Mountains of Madness - Premium Playmat: Beneath the Mountains of Madness is a stitched-edge playmat with glacial blue and cold white artwork, featuring the sigil of the Thing Beneath the Mountains. Stitched edges add durability for frequent rolling, and the cloth surface cushions the impact of heavier metal dice.
- "Yog-Sothoth is the Gate" Playmat: The "Yog-Sothoth is the Gate" playmat measures 24 by 14 inches, has a fabric surface with durable rubber backing, and is not stitched-edge. The rubber backing protects the table, but without stitched edges the mat may wear faster if you roll metal dice on it regularly.



