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Prefabricated Metal Site Office Cabins: Sizing (10x10 to 40x10 ft), PUF Insulation & Layout Guide

Rawji Exports (kumar) Aug 18, 2026

Fast-track infrastructure projects, highway EPC corridors, solar farms, and industrial construction sites require instant, relocatable on-site office spaces. Prefabricated Metal Site Office Cabins provide a turnkey, thermally insulated, and crane-liftable solution deployable in under 48 hours.

In this guide, Rawji Exports (kumar) details modular dimensions, high-density PUF insulation thermodynamics, structural steel chassis specifications, and turnkey electrical provisions.

1. Standard Dimensions & Occupancy Matrix

Size ($L \times W \times H$) Area Occupancy Layout Features
10 × 10 × 8.5 ft 100 sq ft 1 - 2 Persons Single room, 1 door, 2 windows, split AC point. Ideal for gate offices and toll booths.
20 × 10 × 8.5 ft 200 sq ft 4 - 6 Engineers Open workspace for 4 workstations + 1 Project Manager desk.
30 × 10 × 8.5 ft 300 sq ft 8 - 12 Persons Divided cabin: Executive Director room + 6-desk open hall + attached washroom.
40 × 10 × 8.5 ft 400 sq ft 14 - 18 Persons Conference room (8 seats) + 2 private executive cabins + staff hall + pantry.

2. Thermal Insulation Engineering (PUF vs EPS)

In scorching summer temperatures exceeding 45°C across India, high-density Polyurethane Foam (PUF, 40 kg/m³) provides superior thermal insulation ($U$-value < 0.40 W/m²K), reducing AC electrical loads by over 40% compared to uninsulated steel containers.

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