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Cured-In-Place Advantages Proven Through Years of Use The strength, life expectancy, chemical resistance, increased flow, fast and non-disruptive installation, and economic advantages of cured-in-place pipe have been proven through many years of use in millions of feet of pipe throughout the world.  |
| National Liner is a pipeline reconstruction system |
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| National Liner is a pipeline reconstruction system, which consists of a non-woven, needled, polyester felt, which is saturated with a setting resin, inserted into an existing pipeline, and cured. This creates a new pipe, which has a design life of at least 50 years. The softliner is normally inserted into a pipeline from one existing manhole to another. As a result, no excavation is required, and the installation is fast and risk-free. Once National Liner is inverted and/or winched into place, it is expanded to press tightly against the interior of the host pipe. |
 Vandenburg Air Base |
Once in place, the liner is heated to activate the thermosetting resins, and causes the liner to cure into a new, structural pipe inside the original pipeline. The wall thickness and other design characteristics of National Liner may be changed to meet your exact requirements. During the installation process, resin from the National Liner felt is forced into cracks, joints, and other irregularities of the host pipe. This creates a mechanical lock between the host pipe and the National Liner, and holds them in place. |
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| National Liner - Providing the Best in Service |
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| From San Francisco to Tijuana, from wet out to reinstatement, from round to ovoid, the professionals at National Liner West continue to provide our customers with the very best in CIPP rehabilitation.
Our materials are ordered specifically for each new job to meet all requirements. |
 Downtown San Francisco |
 Tijuana Mexico |
 Constitution Blvd. |
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 Inversion Entering Manhole |
Repairs to pipelines of any material are possible. The new liner is structural and allows lines considered to have no structural strength to be lined. Jointless construction locks out roots and groundwater. |
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