Shipping Container Roofs
Rust-proof, water-proof, and a whole lot cooler inside.
- 50 Year Warranty
- Made in America
- Ships to your door
Click to Watch the System Overview (5:15)
50 Years
Warranty coverage
Container roofs pond, rust, and bake.
The problem
Container roofs dent the first time anything lands on them, and every dent becomes a pond. Standing water finds the rust, rust becomes pinholes, and your "weatherproof" steel box drips on inventory, tools, or people. Bare steel also turns the interior into an oven all summer.
The Crazy Seal fix
Crazy Seal neutralizes surface rust, seals pinholes and seams, and covers the whole roof in a seamless waterproof membrane that fills the low spots standing water exploits. The reflective white finish knocks interior temperatures down dramatically — the biggest livability upgrade a container can get.
Crazy Seal is perfect for:
- Dented roofs with ponding water and rust pinholes
- Container homes, offices, and job-site storage
- Cooler interiors under a highly reflective membrane
- Single boxes or whole container yards, sealed in stages
What is Crazy Seal?
A fluid-applied, seamless roofing system that permanently seals flat and low-slope roofs — the only membrane on the market strengthened with polyethylene fibers, like rebar in concrete.
- 3-part system: problem areas sealed first, then one seamless membrane
- Simple enough for just about anyone to install
- Backed by our 50 year warranty
- A support team that answers the phone
50 Year Warranty
Do It Yourself
Made in America
Guarantee
Unmatched Quality
Thousands of Real Projects Completed With Kits Like These
Not stock photos — documented customer installs, in their own words and pictures.
Why Crazy Seal?
Forged from thousands of flat roof installs. See why fiber-infused silicone succeeds where cheap coatings fail.
21½ Reasons Why — Full Overview (10:24)
Why is Crazy Seal More Expensive?
See the Seamless Membrane in Action
Drag the bar to see every penetration sealed and every inch covered by one custom-fit membrane.
BEFOREAFTER
BEFOREAFTER
BEFOREAFTER
BEFOREAFTERStraight From the Roof
David Vincent from Key Largo, FL
“THANK YOU for a great and reassuring experience! I have already referred this system to 3 family and friends. I'm looking forward to a very long, assured feeling of protection from water intrusion.”
Philip Posey from Tuscumbia, AL
“We could not be more pleased with the Crazy Seal product. We are expecting to have many years of enjoyment from our sunroom now that we do not have to worry about leaks.”
Douglas Evans from Overton, NV
“After viewing the DIY videos 4 times, I followed the instructions to the letter. The product went on easily.”
Dennis Van Dusseldorp
“Great product, went on like advertised and ended up with a great looking roof that will last a long time.”
Talk to a Specialist About Your Shipping Container Roof
Tell us about your project and we'll build the perfect kit with you — no pressure, no obligation.
- Backed by our 50 year warranty — do it once, do it right
- Kits ship straight to your door. Free shipping over $500
- Prefer to talk it through? Call us M-F 9AM-6PM EST
Get a kit built for your roof — takes about a minute.
(800) 963-0131