Guangdong LiYou Steel Structure Engineering Co., Ltd.        +8619147784007     liyousteelstructure@outlook.com
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20x40 Metal Building​

 
 
20×40 metal building (800 sq ft) is a cost-effective, customizable solution for garages, workshops, storage, and small businesses. Liyou Steel offers high-quality prefabricated steel buildings with quick assembly, durability, and budget-friendly pricing.
 
Availability:
Quantity:
  • Steel

  • Online technical support

  • Steel Frame Warehouse

  • Guangdong, China

  • Industrial Area

  • 3 years

  • total solution for projects

  • LYB-001

  • Steel Frame Warehouse

  • Industrial

  • CE Certification

  • Industrial Commercial

  • C.Z Shape Steel Channel

  • Sliding Door

  • Customized Color

  • Sandwich Panel Optional

  • Aluminum Alloy Sliding Window

  • SAP2000/AutoCAD /PKPM /3D3S/TEKLA

  • Hot Dip Galvanized

  • 25-60 days

  • Single item

  • 1X1X1 cm

  • 1.000 kg

Why Choose a 20×40 Metal Building?

✅ Affordable – Lower cost than wood/concrete construction
✅ Quick Installation – Pre-engineered kits assemble in days
✅ Durable – Galvanized steel resists rust, fire, and pests
✅ Customizable – Choose doors, windows, insulation & more
✅ Multi-Purpose – Ideal for:

  • Car/truck garages

  • Home workshops

  • Storage sheds

  • Small retail spaces

  • Agricultural equipment shelters


2025 Pricing for a 20×40 Metal Building

Package Type Price Range What’s Included?
Basic Shell $9,600–$14,400 Primary frame, roof & wall panels, trim
Standard $12,800–$19,200 + Insulation, 1-2 doors, windows
Turnkey $18,000–$28,000+ Full build-out (electrical, flooring, etc.)

(Prices vary by location, customization, and foundation type.)


Standard Features

✔ Steel Frame: High-strength Q235B/Q355B steel
✔ Roof Pitch: 1:12 or 2:12 (customizable)
✔ Wall Height: 10’–16’ (adjustable)
✔ Wind/Snow Rating: Up to 130 mph winds & 30 PSF snow load
✔ Door Options: Roll-up, sliding, or overhead (8’–12’ wide)


Customization Options

  • Insulation (Fiberglass or foam board)

  • Windows & Skylights

  • Reinforced Flooring (Concrete or gravel)

  • Mezzanine Storage (For extra space)

  • Exterior Finishes (Colors, textures)


Construction Timeline

  1. Design & Permits: 2–3 weeks

  2. Manufacturing: 3–5 weeks

  3. Delivery & Assembly: 1–2 weeks

(Total project time: 6–10 weeks)


Why Buy from Liyou Steel?

✔ Factory-Direct Pricing – No middlemen = better value
✔ 25+ Years of Experience – Reliable engineering
✔ Global Shipping – USA, Canada, Australia, Africa, etc.
✔ Free Design Support – Optimize for your needs


Get a Free 20×40 Quote!

Need a different size? We also offer:

  • 30×50 Metal Buildings

  • 40×60 Steel Workshops

  • Custom Dimensions

Build strong, save money, and get more space with Liyou Steel! ️


PRODUCT SPECIFICATIONS


No
Components
Specification
Embedded Parts
1
Anchor Bolt
M24
2
High Strength Bolt
M20,10.9S
3
Common Bolt
M16
4
Galvanized Bolt
M12
5
Shear Nail
M16
6
Tir rod
∅32*2.5
Main Steel Structure Parts
1
Steel Column (Q355B)
H550*300*10*16
2
Wind Column (Q355B)
H400*220*6*10
3
Roof Frame Beam (Q355B)
H900~500*220*10*12 H500~650*220*8*12
4
Crane Beam (Q355B)
H650*320/240*10*16/14
5
Tie Bar(Q235B)
∅168*4.0
6
Horizontal Brace (Q235B)
∅168*4.0
7
Column Brace (Q235B)
∅25
8
Angle Brace (Q235B)
L63*5.0
9
Roof Purlin (Galvanized)
Z280*80*20*2.5
10
Wall Purlin (Galvanized)
C250*75*20*2.5
11
Connecting Plate
6mm-30mm
Other Steel Structure Parts
1
Roof Panel
50mm Rock wool Sandwich panel
2
Wall Panel
50mm Rock wool Sandwich panel
3
Gutter
2mm Galvanized Steel Plate
4
Down Pipe
PVC160 (Including parts)
5
Trimming
Color steel 0.5mm Gavanized steel panel

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