Our Certifications

Here at Knowles, we take pride in our commitment to maintaining the highest standards of quality in our products and services. As a result we have earned a wide range of certifications and accolades.

  1. ACI Nozzleman Certifications
  2. Two Professional Engineers on our staff
  3. Lead Paint Abatement Certifications
  4. ABAA Air Barrier Association of America
  5. SIKA Certified Contractors
  6. NACE Certified Staff
  7. Selby/U-Crete Certified Installers
  8. Silikal Resin Systems Certified Installers
  9. Jahn Mortar’s Certified Installers
  10. Watson Bowman Certified Installers

Our services include, but are not limited to:

  • Concrete Repair
  • Masonry Restoration
  • Coatings / Linings
  • Shotcrete / Gunite
  • Pressure Grouting
  • Resinous Flooring
  • Waterproofing
  • Concrete Construction
  • Air Barriers

Areas we serve include, but are not limited to:

  • Maine
  • New Hampshire
  • Vermont
  • Massachusetts
  • Connecticut
  • Rhode Island
  • New England