But any insulation is only as good as the professional that installs it.

That's why National Fiber fields a dedicated team of Sales and Technical professionals to train and service independent installers within a 300 mile radius of Belchertown, MA (near Springfield). Combined with our installer training center at our headquarters, we provide unparalleled service and support to installers and their customers in our region.

• Thirty years of experience.
• The finest materials.
• Trained, dedicated installers.

That's the story of National Fiber's Cel-Pak cellulose insulation.

Questions? Contact us!

To learn more about cellulose insulation, check out our Myths & Misconceptions page, as well as our Insulation Comparison Chart.

• Cel-Pak vs. Glass Fiber Brochure (PDF)
  
• Cel-Pak vs. Foam Brochure (PDF)
  
• Cel-Pak Spec Sheet (PDF)
• Cel-Pak MSDS (Material Safety Data Sheet) (PDF)

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