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What causes Bubbles in epoxy floors: Three possible reasons

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Are you interested in learning more about epoxy floors? By clicking on the link you can access our FREE 4-page troubleshooting guide http://learncoatings.com/sign-up-to-my-newsletter/

This presentation explores a common problem that may occur during epoxy floor installation. Bubbles may emerge on the floor screed leading to little holes on the surface. We are pointing our various procedures that will help eliminate these bubbles. Such procedures include properly preparing the substrate, using the correct tools and application procedures, as well as choosing a good quality product.

Published in: Engineering, Business, Technology
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What causes Bubbles in epoxy floors: Three possible reasons

  1. 1. What causes Bubbles and Pinholes in Epoxy Floors ?
  2. 2. Epoxy and Polyurethane floor covering screeds are capable of producing beautiful and durable results
  3. 3. And yet….
  4. 4. Some times we get these awful looking bubbles and pinholes emerging in the surface….
  5. 5. Bubbles are formed while the screed is still wet and is being applied. Bubbles appear when there is gas trapped inside the screed
  6. 6. What causes these pinholes and how can we prevent them from appearing?
  7. 7. Here are the main reasons:
  8. 8. 1. poor quality (porous) substrate
  9. 9. Beware of: - Rough concrete - Sandy cement surfaces - Foamy (or light) cement mortars - Existing holes in the substrate - Moisture or dampness on the substrate 1. Porous Substrate
  10. 10. 1. Porous Substrate A surface needs to be properly sealed and primed. When you are ready to apply the floor screed all pores need to have been adequately sealed.
  11. 11. Fill all cracks, holes and dents with suitable epoxy filling grout 1. Porous Substrate
  12. 12. 2. application of the screed
  13. 13. Application Work only with trained personnel. Use spiked rollers in order to eliminate gas that may be present in the floor screed.
  14. 14. Use spiked shoes to be able to easily access all areas of the floor that is under installation Make sure the entire surface is well lit so that all problems are visible Pay special attention to corners, edges, and near walls. This is where most problems with bubbles occur Application
  15. 15. 3. product issues
  16. 16. Be careful when mixing the various components. Use an electric mixer with an adjustable speed (no more than 300rpm). High-powered high-speed mixers that have been designed for other uses (like mixing cement or plasters) may generate new bubbles Product Issues
  17. 17. Beware of products containing high amounts of solvent Resinous products generate gases and bubbles during the manufacturing and formulation process Product Issues
  18. 18. Concluding the three main reasons are: 1. Issues with substrate 2. Incorrect application 3. Product Issues
  19. 19. Thank you for watching! Are you interested in learning more about epoxy floors? By clicking on the link you can access our FREE 4-page troubleshooting guide Learncoatings.com
  20. 20. If you enjoyed this presentation please take a moment and like, share or comment. This helps us spread the word!

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