What You Will Find
We offer the largest selection of shipping container accessories available online. Our inventory includes roll-up doors in widths from 4ft to 12ft, fire-rated man doors in multiple width options, heavy-duty lock boxes for padlock protection, windows with weatherproof seals for natural light, complete office kits with insulation and full electrical packages, and ventilation systems designed for standard and high cube containers. Every accessory ships with all required installation hardware and detailed instructions, and our sales team provides guidance for every order.
Why Choose Container One
- 30+ Years of Industry Experience: Trusted supplier with over three decades in the shipping container industry.
- 70,000+ Satisfied Customers: A proven track record of reliability and customer satisfaction.
- ISO-Compatible Accessories: All products are tested to fit standard ISO shipping containers, including new, used, wind & water tight, and high cube units.
- Nationwide Shipping Network: Products ship from 300+ locations across the United States, enabling faster delivery and reduced freight costs.
- Transparent Pricing: All-inclusive pricing with no hidden fees.
- 24/7 Customer Support: Knowledgeable team available anytime to assist with product selection and orders.
Who Needs Shipping Container Accessories
Storage users who need faster access than heavy cargo doors provide rely on roll-up doors and lock boxes to protect tools, equipment, and valuable inventory. Office and workspace converters use complete office kits, insulation, man doors, windows, climate control, and electrical packages, to turn a 20ft or 40ft container into a functional workspace. Security-focused buyers storing vehicles or high-value goods add lock boxes and reinforced doors to eliminate padlock tampering risks. DIY builders creating container homes, retail pop-ups, workshops, or agricultural storage use our full range of windows, doors, ventilation, and electrical accessories to build exactly what they need.
Compatibility and Sizing
All our accessories are sized for standard ISO shipping containers. Roll-up doors are available in widths from 4ft to 12ft. If replacing existing cargo doors entirely, you need a 7ft wide roll-up door plus header plates to cap the opening. For side wall installation, a 6ft wide door is standard. Man doors stand 6ft 8in tall and are available in widths of 3ft, 3.5ft, 4ft, and 6ft. Contact our sales team before ordering if you are unsure which accessory fits your specific container.
Frequently Asked Questions About Shipping Container Accessories
1. What accessories do I need to convert a shipping container into an office?
A complete office conversion requires insulation, climate control, entry access, natural light, and electrical power. Our office kit includes insulation, two windows, a man door, a heat pump with AC and security cage, and a full electrical package with LED lights, plugs, switches, breakers, and a 125-AMP breaker box. Kits are available for both 20ft and 40ft containers with detailed installation instructions. A licensed electrician is required to connect the breaker box to your property’s power source.
2. What size roll-up door do I need for my shipping container?
Roll-up doors are available in sizes ranging from 4ft by 6.75ft up to 12ft by 8ft and fit both standard and high cube containers. If replacing existing cargo doors, you need a 7ft wide door plus header plates to seal the opening against weather. For side wall installation on a 20ft or 40ft container, a 6ft wide door is the standard choice. For container garages housing vehicles, ATVs, or lawn equipment, 8ft to 12ft wide doors provide the clearance needed. Every roll-up door kit includes the door curtain, frame, threshold plate, guide rails, torsion spring bar, and a 10-gauge exterior slide lock.
3. Can I install shipping container accessories myself?
Yes, some shipping container accessories can be installed yourself, but installation difficulty varies by accessory. Lock boxes bolt directly onto the container doors with basic hand tools — no welding required. Roll-up doors and man doors require cutting into the container’s corrugated steel walls and welding the frame in place. If you are comfortable with metal cutting and welding, installation is achievable using the included hardware. For most buyers, hiring a local metal fabricator is the more practical option. Experienced installers complete most man door installations in approximately 45 minutes.
4. How do shipping container lock boxes work?
A lock box is a steel enclosure welded or bolted onto the container’s cargo doors, surrounding your padlock and blocking access to the shackle. This design prevents forced entry with bolt cutters. We offer Standard and Bulldog size lock boxes starting at $65. Lock boxes are one of the easiest and most cost-effective security upgrades for any container, and they work with any standard padlock.
5. Are shipping container accessories weatherproof?
Yes, all of our accessories are weatherproof and built to withstand the same harsh conditions as the containers themselves. This includes salt spray, extreme temperatures, heavy rain, and UV exposure. Roll-up doors are made from galvanized or powder-coated steel. Windows feature double-pane or tempered glass with weatherproof seals. Man doors are 3-hour fire-rated with full insulation and weather stripping. Lock boxes are solid steel plate construction. Proper installation is critical — any penetration in the container wall must be correctly sealed, and Container One provides installation guidance to ensure a weathertight result.
6. What is the difference between a man door and a roll-up door?
Man doors are hinged personnel entry doors, 6ft 8in tall and available in widths of 3ft, 3.5ft, 4ft, and 6ft. Part of the Weld-N-Go product line, they arrive with a pre-assembled steel frame and are ideal for offices and workspaces requiring frequent walk-in access. Roll-up doors use a rolling steel curtain mechanism and are designed for vehicle access, moving large equipment, or situations requiring a fully open wall. Roll-up doors also consume less interior headroom than standard swing-out cargo doors. Many buyers install both — a man door for daily entry and a roll-up door for loading.
7. Do Container One accessories fit containers from other suppliers?
Yes, our accessories fit containers from other suppliers as long as they meet the ISO dimensions. ISO-standard shipping containers have identical dimensions and corrugated steel walls regardless of manufacturer. Standard containers measure 8ft wide and either 8.5ft or 9.5ft tall. Whether your container came from Container One or another supplier, our accessories will fit correctly as long as your container meets standard ISO dimensions. Contact our sales team if you have a modified or non-standard container, and we will confirm compatibility before you order.
8. What ventilation options are available for shipping containers?
We offer various ventilation options to prevent condensation, reduce heat buildup, and maintain air quality. Louvered steel vents provide passive airflow, while roof vents allow upward ventilation, both installed flush with the container wall without compromising its weatherproofing. For office conversions or climate-controlled spaces, our office kit includes a heat pump with AC that offers heating, cooling, and air circulation. Ventilation is especially critical in humid climates or for containers storing sensitive materials like electronics, documents, or agricultural products.
