Welcome! This series of articles discusses options for standard reefer trailers and upgrades you’ll want to consider when spec’ing your next reefer.
[Read more about “How to Buy the Best Reefer Trailer”]
Today we’re talking about Insulation, Light packages, and Stainless Steel options for standard reefer trailers.
More insulation means greater ability to hold temperatures, and more insulation means thicker walls, which reduces interior space. So, what thickness insulation does your reefer trailer need?
Common insulation thicknesses:
- 2” on the side
- 3” on the roof
- 3” in the floor
- 4” on the front wall
- and 3′ in rear doors
When you have a High Cube or Deep-Frozen situation, we’re either adding to the insulation or removing from it.
- Insulation thickness affects resale value.
- Adding insulation decreases interior dimensions affecting loading capacity and the ability to haul specific product types.
- If you’re going to keep this trailer for twenty-five years, you might want to add 5” of insulation, however, if you’re going to keep it for seven years, you’ll take a significant hit when you go to sell it because interior dimensions are not standard.
Building your reefer trailer with thin insulation in walls, ceiling, and floor can increase interior space.
|Side Walls||Roof & Floor||Front|
|Increased Inside Space||1″||2″|
Thin insulation will require a higher BTU reefer unit.
- Going to thin insulation requires a greater cooling capacity reefer unit – higher BTUs. It’s wise to do this because you are cutting back on your thermal efficiency with thin insulation.
- And, this will allow you to still haul the deep frozen.
Light Package Options For Standard Reefer Trailers.
- Do you load or unload at night?
- Do you want ceiling lights?
- If you’re loading at night, you’ll need interior lighting to keep drivers and dock workers safe and make reading easier.
- Trouble-free and long-lasting Light-Emitting Diodes (LEDs) produce a white light that spreads throughout a trailer’s interior.
- LEDs are installed in 90 percent of new refrigerated trailers.
Many times brighter than incandescent and fluorescent lights, high output LED lights have a lower current draw, increased life, and operate equally well in high and low temperatures.
An array of LED clearance light models and configurations are available to meet your operation’s specific needs.
The number and combination of lights is a personal preference, though the most common light package is 2-5-6-5.
- A minimum of 11 lights per side, top, and bottom rail is recommend.
- DOT light requirements are:
- Minimum standard is 2-0-1-5. Meaning (2) on Front, (0) on Top Rail, (1) on Bottom Rail, (5) on Rear
- Maximum is (2-11-11-5). Meaning (2) on Front, (11) on Top Rail, (11) on Bottom Rail, (5) on Rear
Stainless Steel Features and Options for Reefer Trailers
Stainless Steel to help prohibit corrosion include:
Front Wall Panel
- Common standard: Pre-painted white
- Adds approx. $400 for Stainless Steel Panels
- Stainless steel is standard and adds approx. $500 for Stainless Steel
Landing Legs Wing Plate
- Standard: Coated in black undercoating
- Add approx. $470 for Stainless Steel Plate
- Standard: Black Steel
- Add approx. $370 for Stainless Steel
Read more in this series, How to Buy the Best Reefer Trailer.
- How to Buy the Best Reefer Trailer
- Spec’ing a High Cube Trailer
- Deep Frozen – Spec’s and Options
- Spec’ing a Reefer Trailer for Hauling Produce
- Standard Reefer Trailer Spec’s
Options and Upgrades to a Standard Reefer Trailer.
- Insulation, Lights, and Stainless Steel Options
- Wearband, Securement, and Side Panel Options
- Tires, Wheels, Suspension and Brake Options
- Heavy Haul Specs
- Lightweight Savings
Multi-Temp Design Strategies and Perspectives for Single Temp Operators.
- Temperature Ranges and Zones in a Multi-Temp
- Heat Evaporator – Placement and Airflow
- Multi-Temp Remote Control and Shore Power
- Dimensions of a Multi-Temp Trailer
- Driver Safety For Multi-Temp Operations
- Interior and Exterior Lighting
- Bulkheads and Dividers
- Product Safety Features
- Backhaul Restrictions