Things On Top Of Roofs

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Things on top of roofs. For residences it s usually just a c. These vents are static vents that are placed over holes in the roof close to the roof ridge. What are those things on the roof. Unlike box vents which are square off ridge vents are usually much longer and thinner.

Assuming you mean big commercial or apartment buildings they might be air conditioning units electrical boxes water tanks or the tops of elevator shafts. A horizontal timber or metal resting at the peak of the roof. The rafters and trusses are connected to the ridge board for a cohesive framework. The pipes are probably venting the toilets.

Bigger ones might be venting kitchen fans. They let moisture and hot air exit the attic but they aren t nearly as effective as other types of roof vents and homes generally need to have several of these units for the best results. Snow cleats snow stops snow breaks snow blocks snow catchers guttar guards.