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DW CDR Vent 05-photo
DW CDR Vent photoresized


CDR VENT is a drainage and ventilation mat designed to eliminate moisture and moisture vapor in roofing and siding applications. It is useful in cedar shingle/shake roofing and siding where a clean airspace is desired for ventilation and drainage.


  • Roofing applications including cedar shingles and shakes
  • Zinc roofing applications
  • Siding applications
  • Other roofing applications


  • Drainage of excess moisture and ventilation in one product
  • Lightweight and easy to handle
  • Simple installation with mechanical staple hammer
  • Polymer core resistant to most known corrosive chemicals, including solvents
  • Wide rolls for fewer seams
  • Core absorbs and releases no moisture
  • Provides no source for the promotion of MOLD, MILDEW or BACTERIA


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