Expanding Spray-On Waterproof Roof Coating
Fast Application
Self-Healing
Impact Resistant
Up to 50-Year Warranty
![X-Hero-Mobile-02](https://expandothane.com/wp-content/uploads/2022/09/X-Hero-Mobile-02.png)
Expanding Spray-On Waterproof Roof Coating
Fast Application
Self-Healing
Impact Resistant
Up to 50-Year Warranty
![Expandothane_Logo_Final_Color Logo](https://expandothane.com/wp-content/uploads/2022/08/Expandothane_Logo_Final_Color.png)
Traditional roofing sealants take days of difficult work to apply and leave too much room for error. Expandothane™ offers a better way. Proven to withstand UV damage, hail, and extreme weather, the Expandothane Roofing System uses a high-pressure spray-on application for fast, easy and long-term waterproofing.
![X-icons-02 Hail Icon](https://expandothane.com/wp-content/uploads/2022/08/X-icons-02.png)
Hail Resistant
![X-icons-01 UV Icon](https://expandothane.com/wp-content/uploads/2022/08/X-icons-01.png)
UV Protection
![X-icons-03 Waterproof Icon](https://expandothane.com/wp-content/uploads/2022/08/X-icons-03.png)
Water-Proof
Fast Application
Complete your job in a single application using a high-pressure spray that dries in seconds.
![Image-w-arrows-01 Man spraying on roof](https://expandothane.com/wp-content/uploads/2022/08/Image-w-arrows-01.png)
![Image-w-arrows-01 Man spraying on roof](https://expandothane.com/wp-content/uploads/2022/08/Image-w-arrows-01.png)
Fast Application
Complete your job in a single application using a high-pressure spray that dries in seconds.
![Image-w-arrows-04 Gun](https://expandothane.com/wp-content/uploads/2022/09/Image-w-arrows-04.png)
Hail-Proof
Proven to withstand hail and extreme weather with no signs of breaking, cracking or leaks.
![Image-w-arrows-04 Gun](https://expandothane.com/wp-content/uploads/2022/09/Image-w-arrows-04.png)
Hail-proof
Proven to withstand hail and extreme weather with no signs of breaking, cracking or leaks.
Up to 50-years of warranty
Expandothane has zero water content and a failure-free track record since it was introduced in 2004.
![Image-w-arrows-03 Roof with sealant](https://expandothane.com/wp-content/uploads/2022/08/Image-w-arrows-03.png)
![Image-w-arrows-03 Roof with sealant](https://expandothane.com/wp-content/uploads/2022/08/Image-w-arrows-03.png)
lasts up to 50-years of warranty
Expandothane has zero water content and a failure-free track record since it was introduced in 2004.
Save Time, Hassle and Money With the Ultimate Waterproof Barrier
This amazing formula contains micro blowing agents that create a tough yet flexible waterproof barrier to completely eliminate leaks. Unlike standard polyurea, this VOC-free plural component hybrid expands up to seven times its volume to span gaps and fill any holes.
![Roofer icon](https://expandothane.com/wp-content/uploads/2022/08/Roofer-300x300.png)
Become a Certified Contractor
![Roofer icon](https://expandothane.com/wp-content/uploads/2022/08/Roofer-300x300.png)