Lightweight construction refers to the substructure built before creating ceilings and walls. It is commonly known as 'Keiten' (軽天) or LGS (Light Gauge Steel), which is an abbreviation for Light Gauge Steel.
Lightweight construction is superior to wood in terms of cost, ease of construction, and fire resistance. Its materials and methods are widely adopted in homes, stores, and facilities, making it a fundamental construction method for interior work.
The two main types of studs used for wall construction are C-shaped studs and square-shaped (角スタッド) studs. C-shaped studs require additional components like spacers and sway braces (フレ止め), while square-shaped studs, being 'ro-shaped' (ロの字型), do not require sway braces, offering faster and potentially cheaper installation.
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