Inside EVA: The Material Behind FoamSlot

September 20, 2026

Your tools work hard. Their storage should, too.

At FoamSlot, we use dense, closed-cell EVA foam for its balance of heat resistance, structure, cushioning and durability.

Why EVA?

Built to handle the residual heat of recently used power tools while maintaining a stable structure within its rated service range.

Typical service temperature: -79°C to 104°C / -110°F to 220°F

A firm, resilient structure creates clean, defined tool cavities and helps keep tools securely positioned.

Typical density: ~61 kg/m³

Cushions tools from everyday bumps while providing solid structural support.

Compression deflection: 11.5 psi @ 25% · 20.8 psi @ 50%

Designed to recover after repeated compression and everyday use.

Typical compression set: 7%

Closed-cell construction helps resist moisture, while EVA offers good resistance to many everyday chemicals and workshop contaminants.

Adds structure and protection without unnecessary bulk.

High-strength foam with a lightweight cellular structure.

Material
Closed-cell EVA foam

Density
~61 kg/m³

Compression Deflection
11.5 psi @ 25%
20.8 psi @ 50%

Tensile Strength
143 psi

Tear Strength
19 lb/in

Compression Set
7%

Service Temperature
-79°C to 104°C
-110°F to 220°F

Cell Structure
Closed cell

We shape dense EVA around specific tool models to create a clean, defined place for every tool.

Better fit. Better organization. Everyday protection.