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Job of the Month

Submit your before, during and after pictures for your chance to be chosen as Fortress 10 Job of the Month. The winner will receive a $50 Visa gift card and be placed on all of our social media outlets. Please send pictures to and provide your name, address and a picture of you and the RV. Good Luck!!


Fortress 10 is designed for one application, no need to put down a base coat or a Part A or Mastic. No caulk or fabric is needed for recaulking or repairing. In other words, it’s One and Done. The Fortress 10 kit is designed to do up to a 45ft RV when applying at 1/8” thickness. Each kit comes with everything you need to complete the job. 


A unique thixotropic mastic sealant formulated with Kevlar fibers. Excellent adhesion and flexibility. Apply by brush or trowel. Use for roof repairs. Seal around roof penetrations.


Fortress 10 is designed for EPDM, PVC, TPO, Fiberglass or metal roofs. No special prep work is needed, just clean the area with the roof cleaner that is provided in each kit.


Basic Use 

A unique thixotropic trowellable or brushable waterborne fibrated acrylic compound exhibiting excellent adhesion. It dries to form a flexible and waterproof membrane ideal for flashing, seaming and filling cracks.



  • Excellent adhesion
  • UV Resistant
  • Easily applied
  • Flexible when cured
  • High strength



Limited Material Warranty: Since Fortress 10 does not control the application of its products, or the condition of the surfaces to which they are applied; Fortress 10’s liability will under no circumstances exceed replacement of the product proven defective. Fortress 10 limited material warranty is available when all materials are used in strict accordance with all of Fortress 10’s requirements and recommendations. Fortress 10’s sole responsibility under this limited material warranty is for defective material and Fortress 10’s only obligation shall be to either replace or refund the purchase price of the materials or part thereof proven to be defective. No statement by anyone may supersede this limited material warranty, except when done in writing by Fortress 10’s Technical Service Office in Clermont, Florida.


Free shipping in the U.S. except Hawaii and Alaska.


Fortress10 Complete Repair Kit

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