WeatherPRO® Technology

WeatherPRO® Technology was designed with the harsh North American climates in mind, allowing high airflow while providing excellent defense against weather infiltration.


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Duraflo Full Line Catalogue

Canplas, manufacturer of Duraflo ventilation products, has over 50 years of plastics manufacturing experience.

This expertise allows Duraflo to continue as the innovation leader in roof ventilation. Throughout our history Duraflo has listened to you, the customer, to create solutions to meet your building needs. In developing and maintaining an open dialogue with both our internal and external partners, we have created a wide variety of unique products second to none in the marketplace.


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Ventilation calculator

Get the number of roof vents required for your selected product.

About Us

Duraflo We Know Ventilation - FR

Quick Facts

  • Duraflo’s first product was the Square Top 6050 roof vent, released in 1992
  • Duraflo offers 7 different roof venting product categories
  • We only use virgin polypropylene resin in the manufacture of our vents
  • All Duraflo products are designed, manufactured and tested in North America
  • Duraflo has an online calculator to determine the correct amount of ventilation for your home