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Composite Construction

Simplex Steel Building

Single-story steel-composite homes built for speed and durability — a practical, cost-effective choice for families across Bangladesh.

Bongshai Housing offers cost-effective, single-story simplex steel-composite homes designed for durability and rapid deployment across Bangladesh. Our turnkey prefab solutions provide a modern, earthquake-resistant alternative to traditional construction.

By Bongshai Housing Engineering Team | Expert EPC Contractors | Last Updated:
Bongshai Housing Model No-BH-SB-301
Simplex Prefab ✨ Premium

Model No-BH-SB-301

📐 1200 sqft
🛏️ 4 Beds
🚿 3 Baths
🛋️ Drawing
🍳 Kitchen
🪴 Veranda
🏡 Porch
Structure: Steel framing, concrete flooring & solid concrete block wall.
Fully Completed Package ৳ 32,00,000 BDT
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Bongshai Housing Model No-BH-SB-302
Simplex Prefab ⚡ Fast Assembly

Model No-BH-SB-302

📐 400-1200 sqft
🛏️ 2-4 Beds
🚿 1-3 Baths
🛋️ Living
🍳 Kitchen
🪴 Balcony
🏡 Porch
Structure: Light steel structure, RC precast panels & concrete flooring.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-303
Simplex Prefab 🌟 Best Value

Model No-BH-SB-303

📐 600-1200 sqft
🛏️ 2-4 Beds
🚿 2-3 Baths
🛋️ Drawing
🍳 Kitchen
🍽️ Dining
🪴 Veranda
Structure: Heavy gauge steel frame with insulated precast RC wall panels.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-304
Simplex Prefab 🏡 Accessible Living

Model No-BH-SB-304

📐 750-1200 sqft
🛏️ 3-4 Beds
🚿 2-3 Baths
🛋️ Living
🍳 Kitchen
🪴 Veranda
🏡 Porch
Structure: Single-level steel-composite framing with barrier-free floor slab.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-305
Simplex Prefab 🛡️ High Durability

Model No-BH-SB-305

📐 400-1050 sqft
🛏️ 2-4 Beds
🚿 1-3 Baths
🛋️ Living
🍳 Kitchen
🪴 Balcony
🏡 Porch
Structure: SS400 steel framing with weather-shield RC exterior walls.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-306
Simplex Prefab 🏆 Modern Design

Model No-BH-SB-306

📐 900-1200 sqft
🛏️ 3-4 Beds
🚿 2-3 Baths
🛋️ Drawing
🍳 Kitchen
🍽️ Dining
🪴 Veranda
Structure: Composite steel columns, solid concrete flooring & insulated walls.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-307
Simplex Prefab 🌿 Compact Family

Model No-BH-SB-307

📐 400-900 sqft
🛏️ 2-3 Beds
🚿 1-2 Baths
🛋️ Living
🍳 Open Kitchen
🪴 Veranda
🏡 Porch
Structure: Engineered steel chassis with rapid-installation concrete wall system.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-308
Simplex Prefab 💼 Multi-Utility

Model No-BH-SB-308

📐 600-1200 sqft
🛏️ 2-4 Rooms
🚿 2 Baths
🛋️ Open Hall
🍳 Pantry
🪴 Veranda
🏡 Porch
Structure: Dual-purpose steel-RC structure suitable for residential or commercial use.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-309
Simplex Prefab 💎 Modern Facade

Model No-BH-SB-309

📐 750-1200 sqft
🛏️ 3-4 Beds
🚿 2-3 Baths
🛋️ Large Living
🍳 Kitchen
🪴 Veranda
🏡 Porch
Structure: Contemporary steel structural grid with low-maintenance architectural panels.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-310
Simplex Prefab ⚡ Fast Occupancy

Model No-BH-SB-310

📐 400-1050 sqft
🛏️ 2-4 Beds
🚿 1-3 Baths
🛋️ Living
🍳 Kitchen
🪴 Balcony
🏡 Porch
Structure: Precision-engineered prefab steel frame with modular precast wall panels.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-311
Simplex Prefab 🛡️ Climate Resilient

Model No-BH-SB-311

📐 600-1200 sqft
🛏️ 2-4 Beds
🚿 2-3 Baths
🛋️ Living & Dining
🍳 Kitchen
🪴 Veranda
🏡 Porch
Structure: Seismic and wind-load reinforced steel structure with thermal RC envelope.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Bongshai Housing Model No-BH-SB-312
Simplex Prefab 💰 Cost Effective

Model No-BH-SB-312

📐 400-1200 sqft
🛏️ 2-4 Beds
🚿 1-3 Baths
🛋️ Drawing
🍳 Kitchen
🪴 Veranda
🏡 Porch
Structure: Optimized lightweight steel frame with 2.5'' precast RC concrete panels.
Turnkey Construction ৳ 2,500-2,750 / sqft
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Our Technology

What are the Advantages of Steel-RC Building?

Why steel-composite construction is the smart choice for single-story family homes.

  • ✔️ Cost-effective and Eco-friendly
  • ✔️ High strength, inflexibility and high load bearing capacity
  • ✔️ Pre-fabricated, easy to install and dismantle
  • ✔️ Lightness, easy to transport and re-located
  • ✔️ Low maintenance cost
  • ✔️ Using several times and recycling
  • ✔️ Increase area efficiency by 10%--20%
  • ✔️ Environment friendly
  • ✔️ Weather-resistant with proper coating and maintenance
  • ✔️ Engineered for strong seismic performance
  • ✔️ Engineered for high wind-load resistance
  • ✔️ Energy saving with good thermal insulation system
  • ✔️ 50~60 years’ life span
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