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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.

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Simple Solutions

Burlington, WA Simple Box Office

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.

Shipping Container Modifications - Door Options for Easy Access & Functionality

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.

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

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

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

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

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

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

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

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

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Shipping Container Window with Security Mesh Container Modification Get Simple Box 3

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.

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

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

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

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

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

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

Shipping Container Modification Interior Framing Insulation and Sheeting Get Simple Box

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.

Everything About Shipping Container Framing & Sheeting

Framing and sheeting are essential for turning a shipping container into a functional space. Done properly, they help ensure
structural integrity, insulation, and a polished finish—whether the container will be used as a home, office, or storage unit.

Get Framing & Sheeting Prices

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

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

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

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

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

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

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

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

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

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

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

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

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

Shipping Container Modification Interior Framing Insulation and Sheeting Get Simple Box

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.

Everything About Shipping Container Insulation

Shipping container insulation is especially important when a container is converted into a livable or working space.
The right insulation helps control temperature, reduce moisture and noise, and protect the container structure over time.

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

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

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

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

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

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

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

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

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 by Get Simple Box

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.

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

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

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

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

Modified Shipping Container Get Simple Box

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.

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

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

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

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

Shipping Container Modification add single circuit Electrical lights outlets Get Simple Box

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.

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

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

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

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

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

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

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

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

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

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

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

Modified 40ft shipping container with a pedestrian door and a mini-split hvac.

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.

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

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

Interior flooring of a new 20-foot shipping container

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

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

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

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

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

Shipping Container Wall Vents large vents

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 & 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

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 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

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

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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.

Sam H.
Sam H.
Desert Hot Springs, CA
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.
Joseph R.
Joseph R.
Palm Springs, CA
So great to work with! They were quick to respond to every question and the container worked perfectly for our move. Highly recommended!
Mary F.
Mary F.
Indio, CA
Really good customer service and I am so happy with my container! I would definitely recommend them to others.
Deb B.
Deb B.
Palm Desert, CA
Great company! Excellent containers. This is an awesome local family business with ownership that can be trusted! Thank you!!
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We’ll treat you like we’d want to be treated.

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. 

Get Container Modification Prices

Container modification catalog showing framing, insulation, and electrical options

Container Modification 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.

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.

Frequently Asked Questions

Two Get Simple Box team members talking in a container yard at sunset

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.

We can customize shipping containers with features like windows, doors, roll-up doors, lighting, insulation, and heating/air conditioning. Popular modifications include converting containers into offices or mobile workspaces.

The most highly requested modifications include adding heavy-duty roll-up doors for easy access, installing man doors, spray-foam insulation, and running basic electrical packages for lighting and outlets.

Yes! Get Simple Box® offers a variety of customization options, including adding doors, windows, insulation, HVAC, and more. Pricing for modifications varies based on the complexity of the changes.

Yes, shipping containers can be modified for use as offices, workshops, or even residential spaces. However, some city codes may require permits or other requirements as they are designed to be portable structures.

Short Answer: Yes—containers are commonly converted into offices, workshops, and mobile workspaces. Full Answer: Containers make excellent offices because they’re durable, secure, and portable.

Short Answer: Yes—roll-up doors are a popular modification for easy access. Full Answer: Roll-up doors are commonly added to containers used for workshops, equipment storage, or job sites.

Yes, adding a roll-up door to the long side of a container is one of our most popular modifications, allowing you to easily access items without digging from the front to the back.

Short Answer: Yes—man doors and windows can be added in many configurations. Full Answer: Man doors and windows can be added to containers to improve access, lighting, and ventilation.

Absolutely. We can cut and frame standard personnel man-doors and install secure, lockable windows to let in natural light for mobile offices or workshops.

Short Answer: Yes—insulation is available and helps with temperature control and condensation. Full Answer: Containers can be insulated to improve comfort and reduce condensation.

Yes, installing spray foam or fiberglass panel insulation is the best way to regulate temperature and drastically reduce the chances of internal condensation.

Short Answer: Yes—electrical packages are available for modified containers. Full Answer: Electrical upgrades can include interior lighting, outlets, breaker panels, and exterior hookups.

Yes, we can install a comprehensive electrical package complete with a breaker box, LED overhead lighting, and wall outlets to power your tools or office equipment.

Short Answer: Yes—HVAC systems can be added for offices and workspaces. Full Answer: Heating and air conditioning systems can be installed in containers designed for office or workspace use.

Yes! For fully functioning mobile offices or temperature-sensitive storage, we can install through-wall AC units or mini-split systems.

Short Answer: Yes—shelving and pipe racks are popular add-ons. Full Answer: Interior shelving, pipe racks, and storage systems help organize tools, materials, and inventory.

Yes, we can weld or bolt heavy-duty, multi-tier shelving units inside the container, which is extremely popular for construction crews and retail inventory.

Short Answer: Yes—custom paint is available. Full Answer: Containers can be painted to match branding, blend into surroundings, or improve appearance.

Yes, we can grind down surface rust, prime, and apply custom exterior paint to make your container match your corporate colors or blend seamlessly into your property.

Short Answer: Sometimes—stacking depends on the type of modification. Full Answer: Stacking modified containers depends on the modifications installed. Structural changes may affect stacking capability.

It depends on the extent of the modifications. If large sections of the load-bearing corrugated walls were removed for roll-up doors, stacking heavy units on top may not be safe.

Short Answer: Sometimes—plumbing is possible for certain projects. Full Answer: Plumbing can be added for specialty projects like restrooms, wash stations, or concession setups.

Yes, it is possible for advanced builds like mobile restrooms, though it requires specific planning for water intake lines and black-water holding tanks or sewer hookups.

Short Answer: Yes—but living spaces require more planning and permits. Full Answer: Containers can be converted into living spaces, but residential use typically requires significant modifications, insulation, utilities, and permits.

Short Answer: Timing varies based on the scope of work. Full Answer: Modification timelines depend on complexity. Simple upgrades may take a few weeks, while full office builds take longer.

Short Answer: Costs vary widely based on the type and complexity of modifications. Full Answer: Simple upgrades like lockboxes are relatively affordable, while office builds with insulation, electrical, and HVAC cost more.

Short Answer: Yes—for many office and workspace projects. Full Answer: Turnkey solutions allow you to receive a container that’s ready to use upon delivery.

Short Answer: Yes—containers are strong, but structural limits still apply. Full Answer: While containers are very durable, cutting openings must be done thoughtfully to maintain strength.

The main limitation is that the corrugated steel walls act as the load-bearing structure. Removing too much of the wall for doors or windows without adding proper steel framing will compromise the roof’s integrity.

Short Answer: Yes—additional security options can be added if desired. Full Answer: Some customers choose to add cameras, alarms, or motion lights for added security.

Yes, with the addition of custom ventilation, moisture-resistant flooring, and specialized lighting packages, a container can easily be adapted for agricultural or grow-room use.

Yes, we can install the electrical packages and breaker panels required to connect the container directly to an external solar array or roof-mounted panels.

The standard marine-grade plywood floors can be sealed with epoxy, covered with durable vinyl planks, or coated in non-slip commercial treatments depending on your needs.

Absolutely. By installing a fold-up awning window, serving counters, electrical outlets, and easy-clean flooring, containers make incredible, secure pop-up concession stands.

We ensure proper airflow by installing louvered vents, framing in sliding windows, or installing full HVAC and exhaust fan systems to keep the air fresh.

Yes, for specialized commercial or agricultural projects, plumbing lines, shower stalls, and restroom partitions can be built into a modified container.

They are significantly more cost-effective per square foot. Furthermore, because they are built off-site and delivered complete, you avoid the massive labor costs and site disruptions associated with traditional construction.

It is faster, cheaper, avoids complex foundation work, and most importantly, the structure remains entirely portable so you can move your office or workshop to a new property in the future.

Yes. While they are legally considered “portable structures,” using them as permanent occupied offices or living spaces may trigger local city zoning rules, building codes, or HOA restrictions.

As long as any cuts made into the corrugated walls are properly reinforced with tubular steel framing, the container retains its legendary durability, weather resistance, and structural strength.