What's on your roof?
A reference for roof penetrations, vents, and intake — what something's called, what it does, and what class of thing can replace it. Not a place to buy anything.
Search a name
Know a name, need to know what it is?
Search by what's stamped on it, what a contractor called it, or a nickname you heard. Search covers every alias, not just the official name.
Browse categoriesNot sure what to search for?
Browse penetrations, vents, and intake components by category to see what's out there.
Coming soon
Identify by photo
Not built yet. The plan is to let you upload or take a photo of something on your roof and get back likely matches.
Sizing your attic ventilation?
Use the ventilation calculator to work out required net free area from a roof report or a direct measurement, and see what quantity of vent it takes to cover it.