Mesh Screen For Attic Vent

Vent designs that incorporate plastic components would not comply with the noncombustible wire mesh screen language in chapter 7a.

Mesh screen for attic vent.

Hardware cloth also comes in 1 2 inch mesh but that is too large for barring rodents. Fiberglass vent mesh is designed to prevent insects from entering the vents in your garage or attic. 1 8 mesh is also allowed. Alternatively cover all existing vent openings with 1 8 inch or 1 16 inch wire mesh.

The mesh is fine enough to keep out larger insects but strong enough to withstand damage from birds and squirrels. Use manufacured and ca approved vents see below to retrofit existing attic soffit basement foundation and gable vents where possible. Before you begin the project determine if you can fix the screen by removing the vent from the outside or if you must. Most building codes stipulate a minimum mesh size of 1 8 inch to minimize plugging of vent holes and reduction in air movement.

3 pcs stainless steel wire mesh screen 30 x 21cm 1mm hole 20 mesh easy to cut air vent mesh hard and heat resisting screen mesh window screen mesh by szonee cdn 19 99. 304 stainless steel mesh screen type mesh 20 wire 11 4 x 23 6 29cm x 60cm woven vent mesh metal wire mesh for air ventilation door shower drain and cabinet 1pcs 4 7 out of 5 stars 51 13 99 13. Most vents incorporate a screen at the inlet. Smaller mesh screen is easier to plug up whether by air borne debris or as shown in the photograph below being painted over during routine painting.

Common 1 4 screens are ineffective and should be replaced or retrofitted. Mesh for attic vents is available at home improvement and hardware stores. The vent mesh features a protective finish that prevents corrosion and strengthens the weave. Kwikmesh 12 in x 20 ft gable vent screen item 213013 model km1220.

This will keep out pests without restricting airflow through the vent holes. Buy hardware cloth with 1 8 inch or 1 4 inch openings.