A soffit is the horizontal or sloping underside of an overhanging part of a building, such as the section beneath a roof's eaves or a balcony. It protects the structure by covering exposed materials, helping to keep out pests and moisture while also providing a finished appearance. Soffits may also feature ventilation openings to help circulate air in attics or roof spaces, reducing heat and moisture buildup. They are often made of wood, vinyl, or aluminum and are both functional and decorative.

“soffit”的英语定义和含义

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