Irma is of Germanic origin, and it is used mainly in the English, French, German, Indian, Italian, and Spanish languages. The name is derived from the short form of German names with the first element irmin (meaning 'whole, immense, universal') or ermen and starting with 'Irm-', such as Irmingard.
Wood framing, or light frame construction, is the assembly of dimensional lumber or engineered wood lumber that is regularly spaced and fastened together with nails to create floor, wall and roof assemblies. Wood is the most common material used within the construction industry today.
Wood trusses are engineered. frames of lumber joined. together in triangular shapes. by galvanized steel connector. plates, referred to commonly. as truss plates. with wood trusses and increas-. ingly, wood floor trusses are. being used in residential and. commercial applications.