PROFLEX™ CISM – KIT crack repair kit is a 40 mil composite underlayment consisting of a rubberized membrane laminated to a high strength reinforcing fabric on the face and a siliconized release sheet on the adhesive side. The CISM-KIT is conveniently packaged with a 18” x 50’ roll (75sq.ft.) and one quart of PR11 interior primer.



Features and Benefits

  • Superior Protection from Oil and Water based stains
  • Penetrates most tile and stone surfaces
  • Leaves a natural looking finish
  • Will not gloss or enhance surface
  • For interior and exterior use
  • Controls Efflorescence


  • Preparation: Clean area with PROFLEX TILE & GROUT CLEANER and dry area prior to application. Due to variations between surfaces, PROFLEX recommends doing sample applications prior to full installation. Some shading of surface may occur. It is the responsibility of the user to determine the suitability of the product for its intended use.
  • Application: DO NOT DILUTE OR THIN PRODUCT FOR ANY REASON. Apply PROFLEX POROUS SEALER evenly to sur-face using a clean towel, paint roller or brush. Allow 3-5 minutes for product to work into surface. Wipe up excess prod-uct with a clean towel. Process should be repeated 2 hours after first application, and for best results, a third application is recommended. Allow 24-72 hours after final application to fully cure. If excess amount has dried and formed a residue, it may be removed by re-applying product and immediately wiping off while surface is wet.

Data Sheets

Requires Adobe Reader Data Sheet / Application Guidelines

Requires Adobe Reader Material Safety Data Sheet

WARRANTY: Due to the nature of product use, PROFLEX will only warrant the product to be free from manufacturing defects to only the purchase price of the product. No warranties or liability will be assumed for damages of any kind. The suitability of the product for an application is solely up to the user.