Matthew Osinski sheds light on the complexities of carrying out vertical ventilation on traditional metal roofs and today's advanced metal roofing systems.

Q. In some of your articles on ice dams/roofs, you mention ridge vents. Our experience with ridge vents has been that openings are blocked by any significant snowfall. Without ventilation all heat ...

Installed along the roof peak, ridge vents are probably the most important ones in any “passive’’ (non-electric) roof-ventilation system.

We are shopping for a new roof for our house and have sought bids from various roofing companies. We want to get it done this summer. Most of the estimators mention the option of a ridge vent insta… ...

Q: I recently had a new roof installed, and the roofers included a ridge vent at the peak of the roof. Now I understand a ridge vent should not have been installed because I already had the flat ...

Ten years ago we replaced the original roof with a new roof. At the suggestion of the professional roofer, we created a ridge vent, added soffit vents between each rafter, and left in the two eave ...

Ever heard of a box roof vent? You've probably seen one even if you didn't know its name. Here's what it is, how it works. and when you need one.