Lomanco Vent Tools

Lomanco Vent Tools gives contractors, installers, and homeowners quick access to practical roof ventilation tools from Lomanco.

Use the app to calculate balanced attic ventilation, estimate soffit panel needs, check roof pitch, identify the correct Whirlybird® base pitch, and access Lomanco product information from one convenient place.

Lomanco Vent Tools includes:

• Vent Calculator
Calculate how many Lomanco intake and exhaust vents are needed for a properly balanced attic ventilation system.

• Soffit Panel Tool
Estimate soffit panel requirements and help diagnose inadequate intake ventilation.

• Whirlybird® Pitch Tool
Measure roof pitch, determine the correct Whirlybird® base number, and save/share a photo with roof pitch information.

• Vent Resources
Access Lomanco product information, ventilation resources, support links, and related tools.

Whether you are planning a roof ventilation job, checking an existing installation, or working in the field, Lomanco Vent Tools helps keep the information you need close at hand.