do I need attic ventilation

Q & A - My Roofing Contractor Says Vents Aren't Needed If...

April 18, 2013 at 12:00 a.m.

Sabrina from Valinda, California asked, "My roofer said that vents are not needed if the roofing material is 5 pounds per square or less. Do you agree?" Well, Sabrina, I think he meant to say 5 pounds a square foot which would be 500 pounds per square. It doesn’t matter what ...