Sized to Your Exact Roof
Build Your Kit in 60 Seconds
Answer a few questions and get a complete kit with live pricing — everything your roof needs in one box, nothing it doesn't.
Kit Builder
Answer a few questions — we'll build your custom kit instantly.
Answer the questions above and your kit appears here with live pricing.
In-Stock & Ready to Ship
Shipped straight to your door from our USA facility.
Free Shipping Over $500
Most kits ship free — no surprise freight charges.
50 Year Warranty
The strongest warranty in the roofing industry.
Split Into 4 Payments
Orders of $100–$1,000 can be split with Affirm at checkout.
RV Roofing Kits
Complete kits sized for your RV — everything you need to seal your roof for good.
RV Roofing Kit
Our most popular kit. Double-layer seamless protection sized to your RV roof.
or 4 payments with Affirm
Direct-to-Deck RV Roofing Kit
For RV roofs stripped to the wood deck — seal directly over the decking.
or 4 payments with Affirm
Crazy Good RV Repair Kit
Small repairs, resealing fixtures, or adding accessories to your RV roof.
or 4 payments with Affirm
Flat Roof Kits
Seamless roofing kits for residential and light commercial flat roofs.
Seamless Roofing Kit (Double Layer)
Our flagship double-layer system with Crazy Cloth reinforcement.
or 4 payments with Affirm
Direct-to-Deck Kit
Seal directly over plywood or OSB decking — no underlayment needed.
or 4 payments with Affirm
Crazy Good Repair Kit
Patch leaks, seal penetrations, or add a fixture to any Crazy Seal roof.
or 4 payments with Affirm
Commercial Kits
Pre-built kits for large commercial flat roofs, from 500 to 3,000 square feet.
500 SQ FT Commercial Kit
This kit is designed for commercial projects up to 500 square feet. With this kit, your base layer will be gray and your final finish will…
or 4 payments with Affirm
1,000 SQ FT Commercial Kit
This kit is designed for commercial projects up to 1,000 square feet. With this kit, your base layer will be gray and your final finish…
or 4 payments with Affirm
1,500 SQ FT Commercial Kit
This kit is designed for commercial projects up to 1,500 square feet. With this kit, your base layer will be gray and your final finish…
or 4 payments with Affirm
2,000 SQ FT Commercial Kit
This kit is designed for commercial projects up to 2,000 square feet. With this kit, your base layer will be gray and your final finish…
or 4 payments with Affirm
2,500 SQ FT Commercial Kit
This kit is designed for commercial projects up to 2,500 square feet. With this kit, your base layer will be gray and your final finish…
or 4 payments with Affirm
3,000 SQ FT Commercial Kit
This kit is designed for commercial projects up to 3,000 square feet. With this kit, your base layer will be gray and your final finish…
or 4 payments with Affirm
Thousands of Real Projects Completed
RV owners, homeowners, and facility managers across the country have sealed their roofs for good with these exact kits.
“The support videos are outstanding. Product support and customer service is fantastic. And the product application was very easy. I've already recommended this to some of my camping friends.”
Steven Tuttle
“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.”
David Vincent from Key Largo, FL
“Very satisfied. Best product ever! Would recommend it to anyone looking to be "Once & Done"”
Robert Davies
Individual Products
Every component of the Crazy Seal System, available individually.
Crazy Seal
The fiber-infused silicone membrane at the heart of the system.
Crazy Patch
Fiber-infused silicone mastic for sealing penetrations and patching leaks.
Crazy Caulk
Fiber-infused silicone sealant for seams and attachment points.
Crazy Cloth
The roofing fabric layer — sandwiched between coats for reinforced strength.
Crazy Tape
Adhesive-backed repair tape that the Crazy Seal System bonds directly to.
Industrial Crazy Tape
Heavy-duty 50 ft roll for industrial-scale seam repairs.
Crazy Clean
Concentrated, eco-safe cleaner that preps your roof for adhesion.
Crazy Seal Tote
A large industrial tote filled with Crazy Seal — for big commercial jobs.
See It On Roofs Like Yours
Or Browse by Application
Real Numbers
Example Projects & What They Cost
These examples will provide a precise idea on cost based on the application.
24' RV Over Existing Membrane
RV Roofing Kit — 100 - 200 SQ FT Kit
Double layer system
37' RV Over Existing Membrane
RV Roofing Kit — 200 - 300 SQ FT Kit
Double layer system
45' RV Over Existing Membrane
RV Roofing Kit — 300 - 400 SQ FT Kit
Double layer system
10' x 28' Over Existing Metal
Seamless Roofing Kit (Double Layer) — 200-300 SQ FT Kit
Double layer system
18' Direct To Deck
Direct-to-Deck Kit — 75-150 SQ FT Kit
Direct to deck system
36' Direct To Deck
Direct-to-Deck Kit — 225-300 SQ FT Kit
Direct to deck system
Get Started Today
Ready to Do It Once and Do It Right?
Talk to a Crazy Seal specialist and we'll build the perfect kit for your roof together — then ship it straight to your door.
Prefer to do it yourself? Build your kit or shop the catalog.