Ventilation calculator

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

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

Contact Us

Canplas Industries Ltd.
500 Veterans Drive, Box 1800
Barrie, Ontario, Canada L4M 4V3

Tel: (705) 726-3361
Fax: (705) 726-2186
Toll Free: 1-800-461-1771
Customer Support: 1-800-461-5300
Customer Support Fax: 1-888-432-2201