Question: I read your article in today's Chicago Tribune about vents. I contacted Cor-a-Vent with my question, and the representative failed to answer my question. Scenario: I replaced my roof last ...

QUESTION: I know I have to add some ventilation to my attic, but I don’t know quite how much. What’s the formula for ventilating the attic; that is, how much vent space is needed? ANSWER: The standard ...

Q. We’ve received two bids to re-do our roof and add much needed ventilation to our attic, which is not ventilated at all. One roofer told us that ridge vents are required by code and that he would ...