Insulate and frame together
Molded panels combine EPS insulation with studs for attaching compatible finishes.
MADE FOR CORRUGATED STEEL
Shipping container insulation.
Framing built in.
Turn your steel shell into a comfortable, finish-ready space. InSoFast combines insulation, built-in studs and wiring raceways in one engineered system.
- Adhesive attachment. No drilling into the shell.
- Low-profile options preserve interior room.
- Designed for 20′ and 40′ containers.
Made in the USA20 years of innovationDirect product supportReal container projects
ONE SYSTEM. FEWER MOVING PARTS.
A better fit for your steel shell.
InSoFast container insulation brings the materials together so you can focus on the build.
Keep the room you need
Low-profile assemblies balance insulation performance with usable interior space.
Give wiring a clear path
Pre-formed raceways simplify planning for electrical rough-in.
Build moisture control in
A close fit and proper air sealing help keep humid indoor air away from cold steel.
A REAL BUILDER. A REAL CONTAINER.
From a steel box
to a custom music studio.
Gorge Custom Containers reported insulating the interior of a 20′ container in under two hours using InSoFast, a cordless caulking gun and a table saw.
“Drywalling over your product was a breeze!”
Gorge Custom Containers
Customer-reported installation result; project conditions and installation times vary. Read the original testimonial.
Get my container quoteKNOW YOUR OPTIONS. PLAN YOUR BUDGET.
Shipping container insulation options
Choose a starting point. Your quote will confirm the assembly, quantities and delivery details.
CX44 + supporting products
R-11CX44 · 2″ profile off the wall
A shipping container insulation system with insulation, studs and wiring raceways built into a molded panel.
- Best suited to steel with minimal dents
- Other surfaces use matching components
- Tongue-and-groove panel edges
Published bundle starting price$1,660
Get my CX44 quote
Flat panels + matching inserts
R-11Published 2.0 + inserts offering
A flexible choice of insulation for shipping container projects with profiles that need more fitting.
- Matching inserts fill the steel’s contours
- Studs and raceways built into the panel
- Higher R-value configurations available
Published bundle starting price$1,720
Find my assembly
Thicker panels + inserts
R-18.4 / R-16Published 3.75 + inserts offering
Explore shipping container insulation products for projects needing a higher-performance assembly.
- R-value varies by surface and orientation
- Balance performance with interior room
- Confirm climate and code requirements
Published bundle starting price$2,050
Discuss my requirementsUSD starting prices published by InSoFast, checked October 6, 2026. These are bundle starting prices, not guaranteed totals for your container. Coverage, configuration, accessories, shipping and tax must be confirmed. R-values are for the named product or assembly. Verify current store pricing.
NO GUESSING AT A WHOLE-PROJECT PRICE
What drives your
shipping container insulation cost?
The box size, surfaces covered, required R-value and delivery location all matter. A project-specific shipping container insulation price helps you budget for the materials you actually need.
Get my project quote01
Container dimensions20′ or 40′, standard or high cube—and the corrugation profile.
02
Surfaces and assemblyWalls, ceiling, doors, floor and the selected insulation thickness.
03
Delivery and accessoriesDestination, adhesive, finish details and any additional components.
BEFORE YOU ORDER
Good questions.
Clear answers.
The right insulation for shipping containers starts with your steel profile and your project’s requirements.
Want to talk it through?
(888) 501-7899Monday–Friday · 9 a.m.–5 p.m. Eastern
What shipping container insulation material does InSoFast use?
InSoFast panels use molded, closed-cell expanded polystyrene (EPS) with built-in polymer studs. The integrated design combines insulation and finish attachment.
Shipping container insulation R value: which assembly is right for me?
CX44 provides R-11 with a 2-inch profile off the wall. Current panel-and-insert offerings include R-11, R-13/R-16 and R-18.4/R-16 options. Values vary by product, orientation and surface. Confirm your climate, intended use and local requirements before choosing.
Will it fit my container?
InSoFast products are available for 20-foot and 40-foot boxes, standard and high cube. Corrugation dimensions and dents vary. Measure the profile before ordering; flat panels with matching inserts can be more adaptable around dents.
Does it help with moisture?
A properly fitted and air-sealed assembly helps keep humid air away from cold steel. Seal edges, penetrations and transitions as specified. Ventilation and the complete enclosure design still matter.
Is this suitable for conex box insulation?
Yes. Conex container insulation and cargo container insulation describe this application on corrugated steel freight boxes. Select conex insulation using the actual steel profile, dimensions and project requirements.
What about sea container insulation or sea can insulation?
Sea container insulation and sea can insulation are other names for this application. The right insulation for shipping containers depends on the particular box, not what it is called.
What happens after I request a quote?
Your request includes your container size, surfaces and contact details. Accurate final pricing also requires the selected assembly, corrugation dimensions and delivery information. For immediate product guidance, call InSoFast during business hours.
THE RIGHT FIT STARTS HERE.
Let’s plan your container.
Share your project. Find the right materials.