Description
Our product is produced from top-quality industry materials such as ASTM A-653 Galvanized Steel and ASTM A-792 Galvalume. The design of the product allows for high air flow while restricting direct heat/flame penetration. It is guarded by 1/8” or 1/16” Galv Steel Mesh and Intumescent Tape. It is tested and certified by a Fire Department approved lab for standards of ASTM E2886. Other styles and materials such as Stainless Steel, Copper and Aluminum are available upon request.
Frequently Asked Questions
How does an MGV Soffit Vent ventilate the eave in a fire-prone area?
MGV Soffit Vents use a patented design that incorporates chevron-shaped louver blades, dual mesh screen filtration, and intumescent tape. This allows air to flow freely while keeping out any embers and flames.
Which ASTM standard applies to Fire Resistant Multi-Guard Soffit Vents (MGV)?
ASTM A653 applies to the galvanized steel used to make the product.
Can Fire Resistant Multi-Guard Soffit Vents (MGV) be used for intake as well as exhaust?
MGV Soffit Vents are used to provide intake air at the roof edge as part of a balanced attic or roof-ventilation system. They are not used for exhaust purposes.
Which of the metals offered for Fire Resistant Multi-Guard Soffit Vents (MGV) should I choose?
For all MGV products, galvanized steel is the WUI Listed choice and is the recommended go-to material. Bonderized steel, stainless steel and copper are also available options by request; please note that these are custom requests which are not covered under Cal Fire's Building Materials Listing.
Which metals do you make Fire Resistant Multi-Guard Soffit Vents (MGV) in?
Fire Resistant Multi-Guard Soffit Vents (MGV) are made from galvanized steel, Zincalume (Galvalume), stainless steel, copper, or aluminum.
Which mesh options are available for Fire Resistant Multi-Guard Soffit Vents (MGV)?
Available mesh configurations include 1/8 and 1/16. Mesh selection affects the product configuration and ventilation performance.


