Application Solutions
Cold Storage & Freezer Equipment Covers
Engineered for sustained sub-zero performance. Materials that stay flexible at -30°C, anti-condensation design, and insulated construction for cold chain and freezer environments.
The Problem: Standard Materials Fail in the Cold
Cold storage warehouses, freezer facilities, and cold chain logistics centers operate at temperatures from -18°C to -30°C. At these temperatures, standard protective cover materials fail in predictable and preventable ways.
The most common failure is cold embrittlement — the loss of flexibility that causes covers to crack when handled. A cover that was soft and pliable at room temperature becomes rigid and brittle at -20°C. When a maintenance technician removes the cover for equipment access, it cracks at the fold points. When the forklift operator brushes against it, it shatters.
The PVC Problem
PVC (polyvinyl chloride) is the most widely used industrial cover material — and the worst choice for cold environments. Below -10°C, the plasticizers that give PVC its flexibility begin to migrate out of the polymer matrix. The material stiffens progressively. At -20°C, standard PVC will crack if folded beyond a 45° angle. At -30°C, even minor handling causes fracture.
This is not a gradual degradation — it is a sudden, catastrophic failure. One day the cover works. The next, it is in pieces.
The Condensation Trap
When warm, moist air from loading bays or defrost cycles contacts equipment that has been sitting at -25°C, condensation forms instantly. If the cover traps this moisture against the equipment surface, you get frost accumulation, ice bonding, and — when temperatures fluctuate — corrosion. A cover that doesn't breathe becomes a rust accelerator.
These failures are not hypothetical. We see them in warranty claims every winter from facilities that specified the cheapest available cover instead of the correct cold-rated material.
Recommended Materials for Cold Storage Protection
Two materials — used individually or in combination — deliver proven performance in sub-zero industrial environments.
PU Leather — Cold-Flex Formulation
PU Leather with cold-flex additives is the primary material for freezer and cold storage equipment covers. Unlike PVC, the polyurethane matrix remains flexible down to -25°C — the material can be folded, rolled, and handled without cracking. The dense, non-porous surface resists moisture absorption, preventing the material from becoming waterlogged and freezing solid.
- Cold flexibility: Remains pliable to -25°C. No cold-crack failure in standard freezer environments (-18°C to -22°C).
- Moisture resistance: Non-porous surface prevents water absorption and ice bonding.
- Handling durability: Survives frequent removal and reinstallation in cold conditions without cracking.
- Chemical resistance: Resists glycol-based coolants and defrost chemicals used in cold storage facilities.
- Appearance: Professional finish suitable for food-grade and pharmaceutical cold storage environments.
Multi-Layer — Insulated Construction
For applications requiring thermal insulation — cold chain transport, blast freezer storage, equipment that cycles between temperature zones — Multi-Layer construction adds a thermal barrier that standard single-layer covers cannot provide. The three-layer design combines an outer cold-flex shell, an insulating middle layer, and a soft inner lining.
- Thermal insulation: Middle insulating layer reduces heat transfer, preventing frost formation on covered equipment.
- Anti-condensation: Breathable inner lining allows moisture vapor to escape without liquid water penetration.
- Soft inner surface: Non-abrasive lining protects sensitive equipment surfaces from scratching during installation/removal.
- Structural integrity: Three-layer bonding prevents delamination under repeated freeze-thaw cycling.
Anti-Condensation Design: Keeping Equipment Dry at Sub-Zero
Condensation is the hidden killer of cold storage equipment. It doesn't matter how flexible your cover material is if moisture is trapped against the equipment surface underneath.
Our cold storage covers incorporate three design features to prevent condensation damage:
1. Breathable Membrane Vents
Strategically placed breathable panels allow moisture vapor to escape while blocking liquid water from entering. These vents are positioned at the cover's high points where warm, moist air naturally rises during defrost cycles.
2. Thermal Standoff Layer
The insulating middle layer in Multi-Layer construction maintains a temperature differential between the outer cover surface and the equipment. By keeping the inner surface above the ambient dew point, condensation cannot form on the equipment itself.
3. Ventilated Grommet Placement
Grommets are positioned to promote passive air circulation without creating cold bridges. The grommet holes function as ventilation channels while reinforced edges prevent tearing during installation in cold temperatures where materials are less forgiving.
For custom equipment protection across all environments, visit our Equipment Covers page to explore full customization options including sizing, material selection, and hardware configuration.
Protecting Equipment in Cold Storage?
Tell us your operating temperature, equipment dimensions, and defrost cycle frequency. We'll specify a cover that stays flexible and prevents condensation at your coldest set point.
Get Cold-Rated Cover SpecFurther Reading
For a detailed technical analysis of why materials crack at low temperatures and how cold-flex formulations prevent this failure, read Cold Crack Resistance Explained: Materials That Survive Sub-Zero Environments.
Frequently Asked Questions
Why does standard PVC fail in cold storage environments?
Standard PVC becomes brittle and loses flexibility below -10°C. At -20°C to -30°C — common operating temperatures in cold storage and freezer warehouses — PVC covers crack when folded, flexed, or removed for equipment access. The plasticizers that give PVC its flexibility migrate out of the material in sustained cold, permanently embrittling the cover. Once cracked, the cover provides zero protection and must be replaced.
What materials work best for cold storage and freezer covers?
PU Leather with cold-flex formulation is the top recommendation — it remains flexible to -25°C without cracking. For applications requiring thermal insulation (cold chain logistics, freezer storage), Multi-Layer construction adds an insulating middle layer that prevents frost formation on covered equipment. The combination delivers both mechanical flexibility and thermal protection in sub-zero environments.
How do you prevent condensation on equipment in cold storage?
Condensation forms when warm, moist air contacts cold equipment surfaces — a common problem during defrost cycles or when equipment moves between temperature zones. Our anti-condensation design uses three strategies: breathable membrane panels that allow moisture vapor to escape without letting liquid water in, insulated Multi-Layer construction that maintains the cover's internal temperature above the dew point, and ventilated grommet placement that promotes air circulation without creating cold bridges.