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 Frequently Asked Questions


1. What type of pipes can epoxy be used on?

2. Can CuraFlo®’s epoxy pipe lining be used on drain lines or sewer lines?
3. If I have badly corroded galvanized pipes, will it clean out all the corroded debris?
4. Is there a maximum water temperature that can be used with epoxy?
5. How long will the epoxy lining last?
6. How does the epoxy coat the interior of the pipes?
7. How will I know the epoxy will not clog any section of my plumbing system?
8. Will the coating reduce my pipe size and impact my water flow?
9. Is the CuraFlo system safe?
10. Will lining pipes with CuraPoxy® expose water to Bisphenol-A (BPA)?
11. What certifications and standards does CuraFlo hold?
12. Is epoxy pipe lining a proven solution?
13. How much does it cost?
14. What if there isn’t a CuraFlo dealer in my area?


1.What type of pipes can epoxy be used on?
 Epoxy can be used on any metal pipe from ½” – 36” and concrete pipe from 3” – 36”.  Typically, these are domestic supply pipes, fire suppression systems or water mains that feed homes and buildings
  
2.Can CuraFlo®’s epoxy pipe lining be used on drain lines or sewer lines?
 No, drain and wastewater pipes have properties that make them unsuitable for the epoxy lining process.
  
3.If I have badly corroded galvanized pipes, will it clean out all the corroded debris?
 Typically we are able to remove very severe corrosion from the interior of galvanized pipes.  However there may be cases in which we need to remove severely corroded sections and install new piping prior to epoxy lining.
  
4.Is there a maximum water temperature that can be used with epoxy?
 CuraFlo manufactures its own epoxy which has been certified for use in hot water pipes with temperatures up to 180° F.
  
5.How long will the epoxy lining last?
 Epoxy pipe lining has a design life of 40-60 years. Since epoxy lining prevents the number one cause of pipe failure – corrosion – epoxy lined pipes can be expected to outlast metal plumbing systems.
  
6.How does the epoxy coat the interior of the pipes?
 The CuraFlo Engineered Flow Lining System® uses a proven and certified  process for promoting the flow of liquid epoxy through pipe segments.  Epoxy is applied via compressed air which creates a vortex that draws epoxy from the entrance to exit point ensuring that the pipe interior is uniformly coated with our proprietary epoxy. The CuraFlo Spincast System™ uses a computer controlled dispenser to apply epoxy to the interior of large diameter pipes.  After the epoxy has been applied via the Spincast application, our technicians inspect the pipe interior using a closed circuit television.
  
7.How will I know the epoxy will not clog any section of my plumbing system?
 CuraFlo’s Engineered Flow Lining System process uses a closed end air loop system that prevents the epoxy coating from “slumping.” After the lining process is completed in a piping segment, air pressure is maintained to keep the epoxy coating uniform while it cures. After curing is complete, our technicians then perform water flow tests to confirm water pressure has been completely restored.
  
8.Will the coating reduce my pipe size and impact my water flow?
 The epoxy coating minimally reduces the pipe’s interior volume, but this reduction is negligible and will not negatively impact your water flow. In fact, the coating creates a smooth, glass-like surface that reduces friction and enhances water flow. 
  
9.Is the CuraFlo system safe?
 Yes.  CuraFlo meets stringent safety standards and has a long history of safe and effective use.  CuraFlo’s epoxy, CuraPoxy, has been certified to meet the Federal government standard for safe drinking water, ANSI/NSF Standard 61, and is approved for use in pipes where the water temperature can reach up to 180° F. 
  
10.Will lining my pipes with CuraPoxy® expose water to Bisphenol-A (BPA)?
 No. Our CuraPoxy epoxies are different than the polycarbonate plastics used in water bottles. Under the right conditions, polycarbonate plastics can degrade to produce BPA, CuraPoxy epoxies cannot. Click here to read or download a technical bulletin on BPA (.pdf, 111 KB) written by Dr. David J. Dunn, CuraFlo's Vice President of Research and Development.
  
11. What certifications and standards does CuraFlo hold?
 CuraFlo is recognized by the International Code Council’s ICC with a listing of PMG #1057.  This listing states that the CuraFlo Engineered Flow Lining System and its patent-pending epoxies meet the requirements of the country's leading plumbing and mechanical codes and applicable standards.  Additionally, the ICC-ES PMG listing recognizes the CuraFlo Engineered Flow Lining System’s compliance with the following standards:
  • LC1008, Listing Criteria for Internal Epoxy Barrier Pipe Coating Material for Water Supply System
  • IAPMO IGC 189, Internal Pipe Epoxy Barrier Coating Material for Application in Pressurized (Closed) Water Piping System
  • ASTM D 4541, Standard Test Method for Pull-off Strength of Coatings Using Portable Adhesion Testers
  • NSF 61, Section 5, Drinking Water System Components – Health Effects
  • AWWA C210, Liquid-Epoxy Coating System for the Interior and Exterior of Steel Water Pipe Lines.

For more information on CuraFlo's process and product certifications, click here.

  
12. Is epoxy pipe lining a proven solution?
 

Yes!  In fact, epoxy pipe lining has been used to rehabilitate water pipes for more than 40 years:

  • Japan and the UK pioneered epoxy pipe lining for restoring drinking water pipes in the 1970s.
  • In 1991, the US Army published a Public Works Technical Bulletin stating that epoxy lining of metal pipes was an effective method for enhancing corrosion protection.
  • In 1997, the US Navy published a report based on their successful experimentation with the development and use of epoxy linings to restore water pipe systems on aircraft carriers between 1983 and 1993.
  • The American Water Works Association Research Foundation (AWWARF) conducted studies that confirmed epoxy pipe lining is effective in the rehabilitation of water mains.
13. How much does it cost?
 Each project is unique and is quoted based on a variety of factors, including the number of plumbing fixtures, the plumbing layout and design, and the type of pipe material. In most cases, CuraFlo’s epoxy pipe lining solution is competitive with or significantly less costly than alternative pipe repair methods. Epoxy pipe lining eliminates the added cost of ripping out and replacing walls, ceilings, floors or landscaping.
  
14. What if there isn’t a CuraFlo dealer in my area?
 CuraFlo has a corporate crew that can be utilized for large commercial jobs, i.e, multi-tenant buildings. Contact us to learn more about CuraFlo service in your area.

     
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