Stealth Vent Soffits, Vertical Siding & Gutters: .046 Thickness in soffi t and vertical siding. Virtually maintenance-free, Never needs painting. Beautiful look, non-chalking. Seamless gutters. Oversized gutters and downspouts optional. Many beautiful colors available. Stealth Vent Soffit System maximizes airfl ow and conceals vents from visibility to retain the natural beauty of your home.