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.
Framing and Joist Span. The frame of a deck is its primary support structure, consisting of posts, beams and joists. Follow these deck framing guidelines before installing Lumberock. All joists must be level and structurally sound for new and existing deck frames.