November 2022 Vol. 77 No. 11

Tech Tips

Tech Tips: Proper Wet-Out of Small Diameter CIPP

By NASSCO Member James Kicklighter, Technical Services Manager, MaxLiner

(UC) — There was a time in pipeline rehabilitation when most cured-in-place pipe (CIPP) liners were wet-out at a facility and delivered to the contractor on-site. These wet-out facilities were responsible for ensuring that impregnation standards were met. But as smaller diameter lateral and in-house lining has grown in popularity, most contractors and installers are wetting out in the field, and the responsibility to control quality and adhere to the appropriate standards falls squarely on their shoulders.

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