Let’s Find The Best

Shipping Container Modifications

We specialize in custom shipping container modifications designed to fit your unique needs. Whether you’re building a container office, cabin, or tiny home, we’ll help bring your vision to life—while staying mindful of your time, space, and budget.

Strong and Secure

Cost-effective & Convenient

Simple Solutions

Shipping Container Modifications
for Offices, Homes & More

Looking to customize a shipping container? We specialize in a wide range of shipping container modifications to transform standard units into fully functional offices, cabins, tiny homes, workshops, and more. Our team can help you design the perfect custom shipping container to meet your needs—whether you’re focused on mobility, durability, comfort, or style.

Doors

Windows

Framing

Insulation

Cut & Fab

Painting

Electrical

HVAC

Flooring

Vents

Security

Shelving

Container Door Options

The right shipping container door can transform your space. From roll-up doors and swing doors to sliding patio doors and lite kits, we offer a range of container door modifications to add convenience, security, and natural light. Whether it’s for an office, workshop, or studio, we’ll help you choose the best door to make your container more accessible and functional.

6ft Rollup Door (Side Install)

Install a 6-ft white steel roll-up door in the container’s side wall; includes framing, trim, and touch-up paint.

Starting at: $1,795 + tax
SKU: DOOR-ROLLUP-6-SIDE

6ft Rollup Door (End Install)

Install a 6-ft roll-up door in the end wall with reinforced header; door is painted to match exterior.

Starting at: $2,420 + tax
SKU: DOOR-ROLLUP-6-END

8ft Roll-Up Door (Side Install)

Install an 8-ft roll-up door on the side wall for wide equipment access; framing and weather sealing included.

Starting at: $2,265 + tax
SKU: DOOR-ROLLUP-8-SIDE

10ft Roll-Up Door (Side Install)

Install a 10-ft side-wall roll-up door with full steel reinforcement and finish paint (quoted item).

Starting at: $2,890 + tax
SKU: DOOR-ROLLUP-10-SIDE

40ft Container Swing Door

Install a 40-in insulated steel swing door, RH out-swing, with commercial lockset and two keys.

Starting at: $1,955 + tax
SKU: DOOR-SWING-40

24x24 Lite Door Kit

Cut and insert a 24×24‑in insulated window kit into an existing steel door; includes trim and repaint (does not include door).

Starting at: $470 + tax
SKU: DOOR-LITE-KIT-2424

24x60 Lite Door Kit

Retrofit an existing steel door with a 24×60-in insulated lite; price covers labor, trim, and sealant (does not include door).

Starting at: $780 + tax
SKU: DOOR-LITE-KIT-2460

Sliding Patio Door (Full-Glass)

Install a 71.5×79.5-in vinyl patio slider in the side wall with framing, flashing, and threshold trim.

Starting at: $1,720 + tax
SKU: DOOR-SLIDER-PATIO

Shipping Container
Window Options

Add comfort and curb appeal to your space with custom shipping container windows. From standard window kits to larger picture windows and sliding options, our container window modifications bring in natural light, improve ventilation, and enhance functionality. Whether you’re building a container office, living space, or pop-up shop, we’ll help you find the right window solution to brighten up your build.

36" Window (Single Pane)

Install a 36×36-in vinyl window (single-hung or slider) with drip cap and interior trim ring.

Starting at: $765 + tax
SKU: WINDOW-36

36" Window with Security Bars

Install a 36×36-in slider window and weld an exterior steel mesh security screen; drip cap included.

Starting at: $1,080 + tax
SKU: WINDOW-36-SECURITY

48" Sliding Window

Install a 48×48-in horizontal vinyl slider window flush with container ribs and fully caulked.

Starting at: $970 + tax
SKU: WINDOW-48-SLIDER

48" Single-Hung Window

Install a 48×48-in vinyl single-hung window with flashing and interior casing.

Starting at: $970 + tax
SKU: WINDOW-48-SINGLE

Shipping Container Framing & Custom Builds

Framing is the foundation of any great shipping container modification. Whether you’re planning interior walls, insulation, or electrical upgrades, our container framing solutions provide the structure you need to customize your space with confidence. From simple builds to full container conversions, we’ll help you get started with a strong, reliable frame that brings your vision to life.

Interior 2x4 Framing – 10ft Container (No Plywood)

Frame the interior of a 10-ft container with 2×4 studs, 24 in OC; no sheathing or insulation.

Starting at: $705 + tax
SKU: FRAME-ONLY-10

Interior 2x4 Framing – 20ft Container (No Plywood)

Frame the interior of a 20-ft container with 2×4 studs, 24 in OC; ready for finish layers.

Starting at: $1,210 + tax
SKU: FRAME-ONLY-20

Interior 2x4 Framing – 40ft Container (No Plywood)

Frame the interior of a 40-ft container with 2×4 studs, 24 in OC; provides plumb surface.

Starting at: $2,110 + tax
SKU: FRAME-ONLY-40

Interior 2x4 Framing + Plywood – 10ft Container

Frame and sheath a 10-ft container with ½-in CCX plywood fastened to 2×4 studs.

Starting at: $1,795 + tax
SKU: FRAME-PLY-10

Interior 2x4 Framing + Plywood – 20ft Container

Frame and sheath a 20-ft container with ½-in CCX plywood; base trim around openings.

Starting at: $3,440 + tax
SKU: FRAME-PLY-20

Interior 2x4 Framing + Plywood – 40ft Container

Frame and sheath a 40-ft container using ½-in CCX plywood and construction adhesive.

Starting at: $5,625 + tax
SKU: FRAME-PLY-40

Interior Partition Wall – Solid

Build a non-load-bearing 2×4 partition wall faced with ½-in plywood; no door.

Starting at: $780 + tax
SKU: FRAME-PART-BLANK

Interior Partition Wall – With Door

Build a plywood-sheeted partition wall and set a pre-hung interior man door with casing.

Starting at: $1,250 + tax
SKU: FRAME-PART-DOOR

Wood Framing for End Wall

Construct a wood-framed end wall clad in T-111 siding and set a half-lite exterior door.

Starting at: $1,795 + tax
SKU: FRAME-WOOD-END

Steel Framing for End Wall

Fabricate a steel end wall, prime, and paint to match; door not included.

Starting at: $1,875 + tax
SKU: FRAME-STEEL-END

Shipping Container Insulation for Comfort & Climate Control

Insulation is a key part of any shipping container modification, helping control temperature, reduce condensation, and improve comfort. Whether you’re converting your container into a home, office, or studio, we offer container insulation solutions to fit your project.

Spray Foam Insulation – 10ft

Apply 1 in closed-cell spray foam to walls and ceiling of a 10-ft container for ~R-6.

Starting at: $1,565 + tax
SKU: INS-SPRAY-10

Spray Foam Insulation – 20ft

Apply 1 in closed-cell spray foam to walls and ceiling of a 20-ft container for ~R-6.

Starting at: $2,830 + tax
SKU: INS-SPRAY-20

Spray Foam Insulation – 40ft

Apply 1 in closed-cell spray foam insulation to a 40-ft container’s interior surfaces.

Starting at: $5,235 + tax
SKU: INS-SPRAY-40

Fiberglass Insulation – 10ft

Install R-15 fiberglass batts in the framed walls and ceiling of a 10-ft container (does not include framing).

Starting at: $940 + tax
SKU: INS-FIBER-10

Fiberglass Insulation – 20ft

Install R-15 fiberglass batts in the framed walls and ceiling of a 20-ft container (does not include framing).

Starting at: $1,720 + tax
SKU: INS-FIBER-20

Fiberglass Insulation – 40ft

Install R-15 fiberglass batts throughout the framed interior of a 40-ft container (does not include framing).

Starting at: $2,655 + tax
SKU: INS-FIBER-40

Combo Insulation Package – 10ft

Spray 1 in foam then add R-13 batts in a 10-ft container, yielding ~R-20 insulation (does not include framing).

Starting at: $2,500 + tax
SKU: INS-COMBO-10

Combo Insulation Package – 20ft

Spray 1 in foam then add R-13 batts in a 20-ft container, yielding ~R-20 insulation (does not include framing).

Starting at: $4,545 + tax
SKU: INS-COMBO-20

Combo Insulation Package – 40ft

Combine 1 in spray foam with R-15 batts in a 40-ft container, yielding ~R-20 insulation (does not include framing).

Starting at: $7,890 + tax
SKU: INS-COMBO-40

Cut & Fabrication for Custom Shipping Container Modifications

Precision cutting and fabrication are the first steps in bringing your shipping container modification to life. From door and window openings to full structural changes, our expert team ensures clean, accurate cuts to match your design and layout.

Cutting Openings (Per Linear Foot)

Plasma-cut an opening in the container wall; per-linear-foot price includes edge prime.

Starting at: $70 + tax
SKU: CUT-OPEN-LF

Cut Container in Half

Cut a 20-ft container in half, grind and prime edges, and prep fork pockets.

Starting at: $345 + tax
SKU: CUT-BOX-IN-HALF

Painting for Custom Shipping Container Modifications

A fresh coat of paint is the finishing touch on any great shipping container modification. Whether you’re going for durability, branding, or a clean modern look, we offer professional container painting in a variety of colors and finishes to match your vision.

Exterior Paint – 20ft Container

Spray one coat of alkyd enamel on exterior walls of a 20-ft container; roof skim-coat blended.

Starting at: $705 + tax
SKU: PAINT-EXT-20

Exterior Paint – 40ft Container

Spray one coat of alkyd enamel on exterior walls of a 40-ft container; masking included.

Starting at: $1,250 + tax
SKU: PAINT-EXT-40

Interior Paint – 20ft Container

Roll and spray low-sheen latex on interior walls/ceiling of an un-sheeted 20-ft container.

Starting at: $705 + tax
SKU: PAINT-INT-20

Interior Paint – 40ft Container

Apply low-sheen latex to interior of an un-sheeted 40-ft container; prime and finish.

Starting at: $1,250 + tax
SKU: PAINT-INT-40

Electrical Upgrades for Shipping Container Modifications

Adding electrical wiring is a key step in most shipping container modifications, whether you’re building an office, studio, or living space. From basic lighting and outlets to full electrical packages, we’ll help power your container safely and efficiently.

Quick Connect Plug (Power Inlet)

Install an exterior 30‑amp quick-connect inlet with one interior duplex outlet.

Starting at: $195 + tax
SKU: ELEC-QUICK-CONNECT

Standard 120V Wall Outlet

Install one additional surface-mount 120 V duplex outlet on existing circuit.

Starting at: $80 + tax
SKU: ELEC-OUTLET-120

Interior LED Light Fixture

Mount an extra 4‑ft strip light on the ceiling tied into existing circuit.

Starting at: $170 + tax
SKU: ELEC-LIGHT-INT

Exterior LED Light Fixture

Mount a weather-rated LED wall pack on container exterior and connect to lighting circuit.

Starting at: $280 + tax
SKU: ELEC-LIGHT-EXT

Basic Electrical Package – 20ft

Wire a 20‑ft container with 1 4-ft strip light, 2 outlets, a switch, and quick‑connect inlet.

Starting at: $735 + tax
SKU: ELEC-BASIC-20

Basic Electrical Package – 40ft

Wire a 40‑ft container with 2 strip lights, 4 outlets, a switch, and quick‑connect inlet.

Starting at: $970 + tax
SKU: ELEC-BASIC-40

100 Amp Electrical Panel Package

Install 100-amp breaker panel PLUS 2 overhead lights, 4 wall outlets, and 1 dedicated 20A plug-in (complete interior office wiring).

Starting at: $2,655 + tax
SKU: ELEC-100A-PACKAGE

HVAC Solutions for Shipping Container Modifications

Climate control is essential for comfortable, usable spaces—and that’s why HVAC is a smart addition to your shipping container modification. From simple A/C units to full heating and cooling systems, we offer solutions to keep your container comfortable year-round.

10,000 BTU Through-the-Wall AC Unit

Install a 10,000 BTU through-the-wall heat-and-cool unit in a window-style framed opening and weld a protective steel cage outside. Requires a 100-amp service panel so that it can run on its own 20-amp circuit.

Starting at: $1,720 + tax
SKU: HVAC-TTW-10K

12,000 BTU Mini Split System

Mount a 12 k BTU ductless heat‑pump system complete with line‑set and condenser bracket. Requires a 100-amp service panel so that it can run on its own 20-amp circuit.

Starting at: $3,360 + tax
SKU: HVAC-MINISPLIT-12K

Flooring Options for Shipping Container Modifications

The right flooring adds comfort, durability, and style to your shipping container modification. Whether you’re building a home, office, or retail space, we offer a range of flooring options to match your vision and stand up to daily use

Vinyl Flooring – 20ft Container

Install commercial-grade luxury vinyl plank flooring over a 20-ft container floor.

Starting at: $1,640 + tax
SKU: FLOOR-VINYL-20

Vinyl Flooring – 40ft Container

Install luxury vinyl plank flooring across a 40-ft container floor with trims.

Starting at: $2,970 + tax
SKU: FLOOR-VINYL-40

Ventilation for Shipping Container Modifications

Proper airflow is essential for any shipping container modification. Adding vents helps reduce heat, moisture, and condensation—improving air quality and protecting your container’s interior for the long haul.

Passive Vent Kit

Passive & Turbo Vents rely on natural convection and wind-driven airflow to keep your container ventilated. Installed on the upper and lower container walls, they facilitate continuous air exchange without electricity.

Key Features:

Prevent Condensation: Stops moisture buildup, mold, mildew, and corrosion.
Temperature Regulation: Replaces hot, stale air with cooler fresh air.
Reduce Odors: Keeps air fresh and comfortable.

Supply a 6×9-in powder-coated wall vent with screen and mounting hardware for customer install.

Starting at: $115 + tax
SKU: VENT-PASSIVE-KIT

Passive Vent Installation

Installing passive vents is simple and effective. Place vents on the upper and lower walls of the container for optimal natural airflow.

Cut, mount, and seal a 6×9-in powder-coated wall vent in the container wall.

Starting at: $155 + tax
SKU: VENT-PASSIVE-INST

Solar Roof Vent Kit

Solar Roof Fans and Electric Vents are powered to actively circulate air inside your container. Ideal when natural ventilation is limited, they maintain consistent airflow, regulate temperature, and reduce odors.

Advantages:

Consistent airflow and temperature control.
Improved comfort in enclosed containers.
Suitable for modified containers like container offices or homes.

Supply a self-powered solar roof vent/fan kit with flashing for customer installation.

Starting at: $390 + tax
SKU: VENT-SOLAR-ROOF-KIT

Solar Roof Vent Installation

Installing solar or electric vents ensures maximum airflow and climate control. Proper placement and electrical setup are crucial for performance.

Cut roof opening, mount solar vent/fan, and seal fasteners for powered ventilation.

Starting at: $470 + tax
SKU: VENT-SOLAR-ROOF-INST

Security Features for Shipping Container Modifications

Keep your container and its contents safe with custom security upgrades built into your shipping container modification. From lock boxes and steel bars to tamper-resistant hardware, we offer solutions to protect what matters most.

Lock Box Kit (Bolt-On)

Provide a bolt-on tamper-proof steel lock-box that shields the padlock shackle.

Starting at: $110 + tax
SKU: LOCK-BOX-KIT

Lock Box with Installation

Weld or bolt the tamper-proof lock-box to container doors and prime welds.

Starting at: $150 + tax
SKU: LOCK-BOX-INST

Shelving Solutions for Shipping Container Modifications

Maximize your storage space with custom shelving options designed for your shipping container modification. Whether you’re organizing tools, inventory, or personal items, we offer durable shelving setups to keep everything accessible and secure.

Shelf Bracket Set (2-Pack)

Provide two powder-coated shelf brackets that hang from interior D-rings; lumber not included.

Starting at: $170 + tax
SKU: SHELF-BRKT-2PK

10ft Shelf Kit (Brackets + Lumber)

Provide a complete 10-ft interior shelf package: two powder-coated brackets that hang from the container’s D-rings plus six pre-cut 2 × 10 boards.

Starting at: $315 + tax
SKU: SHELF-BRKT-LUMBER10

Pipe Rack Kit (2-Level, 2-Pack)

Provide two heavy-duty brackets that create an overhead pipe rack up to 500 lb.

Starting at: $170 + tax
SKU: PIPE-RACK-2PK

Our Simple Process

Our 4-Step Process is Simple and Straightforward.

Choose a
Container

Get a
Quote

Schedule
Delivery

Enjoy
Storage

Shipping Container Modification Reviews

We focus on being local, professional, and kind. If at any point you have questions or concerns, a local manager is standing by and ready to help within 1 business day.

These guys are the best! I appreciated the care the driver took in delivering my container. I will definitely rent from them again and refer to others.

So great to work with! They were quick to respond to every question and the container worked perfectly for our move. Highly recommended!

Really good customer service and I am so happy with my container! I would definitely recommend them to others.

Great company! Excellent containers. This is an awesome local family business with ownership that can be trusted! Thank you!!

Container Moification Catalog

Everything You Need To Know About Modifying a Container

Our Container Modification Catalog is your complete guide to customizing a shipping container. From doors and windows to insulation, electrical, and more—you’ll find everything you need to design a functional, personalized space.

Custom Shipping Container Modifications

In this video, we take you behind the scenes to show how a standard container is transformed step-by-step—from precision cutting and framing to insulation, doors, windows, flooring, and finishing touches. Whether we’re building an office, studio, or tiny home, you’ll see our expert team bring custom shipping container modifications to life.

How to Properly Use Shipping Container Insulation for Winter Storage

Shipping Container Insulation Guide for Safe Winter Storage When the colder months arrive, many people turn to shipping containers as a dependable storage solution. Built

More from the Blog

Explore our Learning Center for expert advice on shipping container modifications, portable storage, moving solutions, and container delivery. With easy-to-browse articles, how-to videos, product comparisons, and FAQs, it’s your go-to resource for ideas, answers, and inspiration. Whether you’re planning a custom build or comparing options, start here to discover what’s possible.

How to Properly Use Shipping Container Insulation for Winter Storage

Shipping container flooring modification

Should I Insulate My Shipping Container Flooring?

Frequently Asked Questions

Got questions about shipping container modifications? You’re in the right place. Whether you’re customizing a container for storage, building a mobile office, or adding doors, windows, or insulation, our expert team is here to help. Below, you’ll find answers to the most frequently asked questions about modifying shipping containers for residential, commercial, or construction use. Learn what’s possible, how much it costs, and how to get the most out of your modified container.

What types of modifications can be made to shipping containers?

Shipping containers can be modified for various purposes, including structural changes (like adding doors and windows), utility installations (such as plumbing and electrical systems), interior customization (like partitions and furnishings), and exterior enhancements (such as siding and weatherproof coatings).

Are modified containers suitable for living spaces?

Yes, modified containers can be designed as livable spaces by incorporating insulation, proper ventilation, electrical and plumbing systems, and comfortable interior layouts. Many people use them as tiny homes, vacation cabins, or guest houses.

How do I ensure my modified container meets building codes?

To ensure compliance with local building codes, it’s essential to consult with local authorities or a professional architect or contractor familiar with container modifications. They can guide you on permits, zoning regulations, and safety standards.

What are the benefits of using modified containers for storage?

Modified containers provide secure, weather-resistant storage solutions that can be easily transported and placed in various locations. They are durable, cost-effective, and customizable to fit specific storage needs, making them ideal for residential, commercial, and industrial applications.

Can I modify the container myself or should I hire professionals?

While some modifications can be done as DIY projects, it’s often best to hire professionals for complex changes, especially those involving structural alterations, electrical work, and plumbing, to ensure safety and quality.

What are the costs associated with modifying a shipping container?

Costs can vary widely based on the type of modifications, materials used, and labor required. Simple modifications may start around a few thousand dollars, while extensive customizations can run into tens of thousands. It’s best to create a detailed budget based on your specific needs.

How long does it take to modify a shipping container?

The timeline for modifying a shipping container depends on the complexity of the project. Simple modifications may take a few weeks, while more extensive customizations can take several months. It’s important to discuss timelines with your contractor to set realistic expectations.

Are modified containers environmentally friendly?

Yes, modified containers are considered environmentally friendly as they repurpose shipping containers that would otherwise go unused or be discarded. By transforming them into functional spaces, you help reduce waste and promote sustainability in construction, especially when combined with eco-friendly materials and practices.

Get a Container Conversion that is Customized Just for You.

With a name like “Simple Box” we don’t want our own focus on simplicity to limit your creativity. We have also completed modification work for:

Best Shipping Container Modifications

INTERIOR

Shipping Container with Electricity

FROM $750
Add Interior LED lights, exterior lights, quick- connect plug, duplex outlets, 100-amp panel and more.

Insulation

FROM $1950
2×4 framing with plywood sheeting or drywall and spray-foam or fiberglass insulation.

Framing

FROM $1950
2×4 framing with plywood sheeting or drywall and spray-foam or fiberglass insulation.

Shelving & Brackets

Options are limitless! We’ve done enough projects to know what we do best and when to hand-off.

Shipping Container Doors

Roll-Up Door

FROM $1850
6-10 foot doors may be installed on the side wall, smaller sizes also available for the end wall.

Pedestrian Door

FROM $1550
Insulated steel entry door available in slab or half-lite.

Sliding & Glass Door

FROM $1400
Residential grade sliding glass door can be installed on a side wall with an overhead drip cap.

Swing Door

Swing doors in shipping containers provide easy access and secure closure for loading and unloading goods.

EXTERIOR

Custom Paint

FROM $650
Industrial Alkyd Enamel can be color matched (you provide Sherwin Williams color code).

Windows

FROM $550
Standard residential vinyl or security windows installed on side or end wall with drip cap.

Shipping Container Heat & AC

FROM $2000
Choose from solar vents or passive vents, all the way up to a full mini-split HVAC system.

Shipping Container Solar Fans

Harnesses solar power, reducing energy costs and environmental impact.

Shipping Container Home, Office, & More

With a name like “Simple Box,” we focus on doing a few things really, really well.

Looking for Container House Prices or Shipping Container Home Plans?

We try to incorporate the motto “Keep It Simple” into all that we do. That philosophy carries over to our container modification department as well.

Our highly-experienced mod team has a good feel for the work we do best (windows, doors, and insulation). And we partner with others who can do the more detailed finish work of a Tiny Home or House made out of a Shipping Container.

Although there are a world of possibilities for what you could convert your container into, we focus on doing a few types of modifications very well:

Let’s Find The Best

Shipping Container Modifications

Shipping Container Modifications for Offices, Homes & More

Container Door Options

Shipping Container Window Options

Shipping Container Framing & Custom Builds

Shipping Container Insulation for Comfort & Climate Control

Cut & Fabrication for Custom Shipping Container Modifications

Painting for Custom Shipping Container Modifications

Electrical Upgrades for Shipping Container Modifications

HVAC Solutions for Shipping Container Modifications

Flooring Options for Shipping Container Modifications

Ventilation for Shipping Container Modifications

Security Features for Shipping Container Modifications

Shelving Solutions for Shipping Container Modifications

Our Simple Process

Choose a Container

Get a Quote

Schedule Delivery

Enjoy Storage

Shipping Container Modification Reviews

We’ll treat you like we’d want to be treated.

Get Container Modification Prices

SERVICES

YOUR INFO

Container Moification Catalog

Everything You Need To Know About Modifying a Container

Custom Shipping Container Modifications

More from the Blog

Frequently Asked Questions

Get a Container Conversion that is Customized Just for You.

Best Shipping Container Modifications

INTERIOR

Shipping Container with Electricity

Insulation

Framing

Shelving & Brackets

Shipping Container Doors

Roll-Up Door

Pedestrian Door

Sliding & Glass Door

Swing Door

EXTERIOR

Custom Paint

Windows

Shipping Container Heat & AC

Shipping Container Solar Fans

Shipping Container Home, Office, & More

Storage Solutions

Location Resources

Company Info

CHOOSE YOUR OWN CONTAINER AT GET SIMPLE BOX

Shipping Container Modifications
for Offices, Homes & More

Shipping Container
Window Options

Choose a
Container

Get a
Quote

Schedule
Delivery

Enjoy
Storage