The TRI-BUILT® 1170 Power Plus Roof Vent has a Thermostat Humidistat. It has a heavy-duty, rust-resistant steel dome and requires 720 sq. inches of intake vents. Thermal overload protection.

TRI-BUILT® provides quality residential and commercial building materials that deliver professional results. By focusing on the professional contractor, TRI-BUILT® has become a recognized and trusted leader in the construction industry. From roofing and siding materials, windows, coatings, and more, TRI-BUILT® is a name you can trust at a competitive price.