Soffit, Vent & Weep Hole Insect Screen is used for screening attic soffit vents, foundation vents and brick weep holes against insects, rodents and wind-blown embers while keeping ventilation open. ICC-ES is the reference cited for it on drawings, datasheets and purchase orders.
What ICC-ES Means for Soffit, Vent & Weep Hole Insect Screen
The dimensions in the table below are supplied to suit ICC-ES. Where the standard sets requirements for the finished appliance, device or system, compliance testing of that assembly stays with its manufacturer; we supply the metal mesh part to the drawing and can provide material certificates and dimensional reports with the shipment.
Soffit, Vent & Weep Hole Insect Screen Dimensions
| Mesh count | Wire diameter (mm) | Aperture (mm) | Micron rating (u00b5m) | Open area (%) | Material |
|---|---|---|---|---|---|
| 16-Mesh | 0.280 | 1.308 | 1308 | 67.0 | Aluminum |
| 18-Mesh | 0.280 | 1.131 | 1131 | 64.0 | SS304 |
| 1/8 in ember mesh | 0.500 | 3.175 | 3175 | 74.0 | SS304 (WUI ember-resistant) |
Specifying Soffit, Vent & Weep Hole Insect Screen Beyond the Standard
- Opening: 16–18 mesh for insects; 1/8 in (3.2 mm) for ember resistance per local code.
- Free area: Increase the vent size to compensate for the screen's reduced open area.
- Material: SS304 in coastal or ember zones; aluminum indoors.
When Soffit, Vent & Weep Hole Insect Screen Is Not the Right Choice
Not a rodent barrier for large openings without heavier welded mesh.
