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Nail Base Insulation: Cornell Corp.

Ventilated ThermaCal® non-structural nail base insulation installed over heavy timber, plywood, and metal decking in accordance with asphalt shingle manufacturers' warranties. Insulation screws and fasteners are available.

Nail Base Insulation Characteristics
  • Economical and efficient
  • Rabbetted edges or tongue-and-groove foam
  • Various thicknesses for R values up to 32
  • Economical, two-layer applications available
  • Wood block spacers for many directions of air flow
  • Non-ventilated ThermaCal® available for other roofing material
   
     
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