Soffits have an important job on the outside of a house. They protect the underside of the eaves from moisture and rot. Moisture can cause big problems, not only to the eaves, but also to the attic. ... Finally, soffits help keep unwanted intruders like insects, pests and birds out of the attic, too.

How can I vent my roof without soffits?

To ventilate your attic without soffits you can use gable vents, eyebrow vents, a venting drip edge, a shingle-over intake vent, wind turbines, or power vents. All are good alternatives if you cannot install soffit vents; however, a very important factor for good ventilation is good insulation.

Do all houses have soffit vents?

Almost all homes are fitted with some kind of roof vents at the peak of the roofline, be it individual roof vents, hip roof ventilation, and many homes have gable vents as well. ... Cooler fresh air is drawn up through the soffit at the base of your roof and hot and humid air is expelled through the roof vents at the top.