Patch & Repair Kit


Need to make a quick repair to a leaky roof as soon as possible?

Now you can, with all the benefits of Ecodur+ Roof Coating — thanks to Castagra’s Patch & Repair Kit!

Now available in convenient 1lb and 10lb sizes!

Our portable Patch & Repair Kits are easy to use and incredibly versatile. Simply follow the mixing instructions carefully and use the Kit for a cost-effective way to patch, repair, and waterproof almost any roof substrate.

Since it’s Ecodur+, you get the same maximum adhesion and durability — up to triple the adhesion of conventional roof coatings — as well as lifetime repairability for easy maintenance. Plus, it’s VOC- and BPA-free, waterproof, bleed blocking, odorless, fast curing, and sustainable!


Quick & easy roof repair

  • Simple brush or roller application

  • NO maximum mil thickness!

  • Even works over old, cracked coatings

  • Paintable within 12 hours

  • Fully cured in 24 to 36 hours (fewer on hot days)

" As a commercial contractor, I really liked the ease of application and [Ecodur’s] toughness as a roof coating and repair system. It cures quickly so you don't have to worry about rain coming after your work. "

Keith K.

Patch & Repair Kit Videos

Castagra’s National Training Manager Jef McCurdy demonstrates the power and versatility of the Patch & Repair Kit!

Patch & Repair Kit Documents

Patch & Repair Kit Flyer

Patch & Repair Kit – Part A SDS

Patch & Repair Kit – Part B SDS

Ecodur+ Product Data Sheet

Recent Case Studies

See how Castagra's Ecodur Roof Coating excels in repairing, restoring, and helping to extend the lives of roofs by decades — on a wide range of substrates!

Central Roof NB3

Storage Unit Roof Repair

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Ecodur roof coating


Do you have a failing roof that needs rejuvenation without disrupting the people below?


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