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L'OBJET SINGULIER STEEL STRUCTURE Co., Ltd. is a company specialized in designing, developing, manufacturing, installing, selling steel structures and undertaking various kinds of steel structures.Our main product ranges have H beam, C and Z shape steel purlins, color steel panels, sandwich panels, steel pipe and so on.

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Steel Design Sectional Garage Door In Door

  • Sectional Doors Raynor Garage Doors

    Thermal Sectional Garage Doors With 2" garage door sections, Raynor TC200 is constructed of rugged galvanized steel inside and out. And, its two sided steel design features a laminated core of CFC free expanded polystyrene insulation for an R value of 10.25.Read More

  • Sectional Steel Doors Garage Doors from Overhead Door

    Insulated Sectional Steel Doors The insulated sectional steel door model 418 is a high quality, heavy duty door that provides protection against hot and cold environments.Read More

  • Sectional Steel Doors 426 · Sectional Steel Doors 420 · Sectional Steel Doors 432
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    Steel sectional garage doors are cost effective, so it’s a popular choice for most small and medium sized businesses. These doors are made up of multiple sections of panels connected to a track that helps it move smoothly. One of the best benefits of the sectional overhead doors is the different kinds of insulation options that fit your specific needs.Read More

  • Commercial Sectional Steel Garage Doors

    Sectional Steel Doors. Wayne Dalton’s full lineup of commercial sectional doors is unparalleled in the industry. With everything from striking aluminum full view doors for restaurant and auto dealership applications to the durable and thermally efficient Thermospan ® doors to high strength warehouse doors at excellent values,Read More

  • Clopay® Unveils New Pedestrian Pass Door Design for

    The 32” x 80” pass door has an aluminum frame construction with a shiplap design to provide a durable, weather resistant seal. A continuous boxed channel bottom rail strengthens the door against wind and horizontal deflection, and a rain cap stops water from accumulating around the opening.Read More

  • Steel Sectional Garage Doors – Lux Garage Doors

    Steel Sectional Garage Doors Lux Garage Doors offers a variety of durable steel garage doors with a broad range of design, insulation, and price options. Steel garage doors offer beauty and low maintenance at an affordable price.Read More

  • Sectional Garage Doors Buy garage door prices, garage

    The Sectional garage door offers the greatest degree of aesthetic adaptability. It comprises a number of large sections or panels that come in a wide range of designs and colors. Sectional Garage Doors are most commonly made from pressed steel, but can be manufactured from Read More

  • Sectional Garage Door manufacturers Made in China

    China Sectional Garage Door manufacturers Select 2019 high quality Sectional Garage Door products in best price from certified Chinese Industrial Door manufacturers, Steel wood Door suppliers, wholesalers and factory on Made in China, page 5Read More

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  • Traditional Steel Garage Doors Overhead Door

    Our steel garage door Model 184 is constructed of heavy duty steel and features a long panel design with a wood grain embossment to enhance the appearance of your door. The polystyrene insulation provides a 7.4 R value for enhanced thermal efficiency of your garage space.Read More

  • Sectional Steel Garage DoorCountry Door Systems

    Residential Garage Doors; Residential Garage Door Openers; Garage Door Repair; Central Vacuum Systems. Element Central Vacuum Power Units in Janesville WI; Green Building and Element Central Vacuums; Commercial. Commercial Overhead Garage Doors & Openers; Sectional Doors; Rolling Counter Shutters; Rolling Fire Doors; Rolling Service DoorsRead More

  • Commercial Doors for Businesses Sectional Steel Doors

    Solidly constructed for reliable performance, the insulated sectional steel back door is perfect for commercial and industrial applications. The Overhead Door Company™ Insulated Sectional Steel Back Doors have an inner and outer layer of galvanized steel for maximum durability.Read More

  • Steel Garage Doors doorzonesa

    Aluminium garage doors have a smooth finish extruded horizontal slat. These doors provide exceptional strength and rigidity.Read More

  • Sectional Steel Door Model 2411 Wayne Dalton Windsor

    Wayne Dalton’s Sectional Steel Door Model 2411 is a strong and visually appealing sectional steel door for moderate commercial applications at a very competitive price. Featuring a stucco finish and ribbed panels, the Model 2411 will complement the exterior of your building as it is also available in a variety of sizes to fit most door openings.Read More

  • Athena Martin Garage Doors

    2.05 WeathersealA 1″ (25) [3” (76)] weather seal shall be factory installed to the bottom door section, held in place by a full door width reinforcing steel galvanized angle. 2.06 Steel Door Section AssemblyExterior surface; [ribbed][short, raised panel(s)][long, raised panel(s)] [flush] [grooved short, raised panel(s)]. End and center stiles shall have rolled edges for reinforcement and safety.Read More

  • Manufacturer Raynor Garage Doors Manufacturers and

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  • Sectional garage door All architecture and design

    Sectional garage door. private garages up to 3000 mm wide High quality with a warranty of up to 10 years (Made in Germany) Smooth running and stable, with double skinned, galvanized steel sections TüV tested burglar resistance (without optional Read More

  • Sectional Garage Doors Steel Line

    Sectional Garage Doors. Heavy Duty Bottom Rail – Every Steel Line sectional garage door is fitted with a sturdy heavy duty bottom rail to increase strength in the lower part of the garage door. A tough and durable weather seal is added to the bottom rail for extra protection from the elements.Read More

  • Manufacturer Amarr Garage Doors Manufacturers and

    Amarr® Garage Doors Amarr® 3552 Sectional Aluminum Doors DescriptionThe Amarr 3552 aluminum door creates a clean style that is perfect for automotive showrooms and repair centers, service stations, car washes, fire houses, restaurants, and sports complexes.Read More

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  • Single Panel vs. Sectional Garage Doors The Spruce

    Cost. Single panel garage doors tend to be considerably cheaper than a sectional door made from the same materials. When you need to replace a garage door torsion spring or cables, the price will also be lower. Because they’re easier to install and have fewer moving parts, you can save a bundle over sectional garage doors with single panels.Read More

  • Design 301 Sectional Overhead Steel Garage Doors, 84" or

    These doors are available in our 2 inch, steel backed, insulated door. The sculpted edge detail on our trim and our window construction set us apart from the competition. Windows can be added to all of our doors to allow light to enter the garage and add to the aesthetic appeal of any home.Read More

  • Garage Door Replacement Panels

    Sectional Garage Door Replacement. Garage Door Control Panel Replacement. Garage Door Windows Square Design w/Cross. 4.0 out of 5 stars 3. $38.45 $ 38. 45. FREE Shipping. 32 Pieces for Double Car Steel Garage DoorBlack. 4.8 out of 5 stars 2,630. $34.90 $ 34. 90. $4.91 coupon applied.Read More

  • Garage door Wikipedia

    A garage door is a large door on a garage that opens either manually or by an electric motor (a garage door opener).Garage doors are frequently large enough to accommodate automobiles and other vehicles. Small garage doors may be made in a single panel that tilts up and back across the garage Read More

Steel Structure Drawing

Steel Structure Material

Item Name Materials Characteristics Material Grade Surface Treatment
Steel Column H shape,Box,Steel Pipe,Hot tolled sheet Q235B,Q345B Paint or Hot dip Galvanized
Steel beam H shape,Box,Steel Pipe,Hot tolled sheet Q235B,Q345B Paint or Hot dip Galvanized
Steel Bracing Steel Rod,Steel Pipe,Angle Steel Q235B,Q345B Paint or Hot dip Galvanized
Steel Purlin C or Z purlins(Thickness1.8mm~3.0mm) Q235B,Q345B Hot dip Galvanized
External Wall panels,Roof panels Single colorful corrugate steel sheet,sandwich panels with EPS,Rock wool,PU. Galvanized Steel+Painting Alu-zin 150g,Fluorocarbon pain
Steel buildings Door Slidding or Rolling door Steel or Aluminum sheet Paint or Hot dip galvanized
Steel buildings Windows Aluminum alloy-Glass,Aluminum alloy-shutter T=1.0-2.0mm Alloy
Skylighting panels FRP T=1.5mm-1.8mm Coefficient of thermal expansion:2.2x10-5/cm Light Tranmitar 85%
Ventilator Turbine ventilator on a ridge Steel,Stainless steel ,PC Paint or Hot dip Galvanized
Gutter Galvanized steel plate,Stainless steel plate T=2.0mm Hot dip galvanized
Downpipe PVC pipe,color steelpipe Y=0.5mm Dia110mm paint
Hight Bolt Ordinary ,High strength 10.9S,4.8S Hot dip galvanized,Steel
Ground bolts Steel RodM24,M27,M30,M33,M39,M42 10.9S Steel

Steel Structure Material





Column and Beam

Q345 or Q235 H section steel ( painted or galvanized)


Wall&Roof Purlin

C or Z section steel, size from c120~C320, z100~Z200(galvanized)


Wall&Roof Panel 

colorful corrugated steel sheet or sandwich panels (eps, rockwool, fiber glass, pu etc.)



steel angle, steel pipe, steel round bar.



sliding sandwich panel door or rolling metal door



pvc or aluminum alloy windows



anchor bolt, high strengthen bolt, normal Bolt, skylight Belts, ventilators, gutter, down pipe, etc.

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Fill in this form or click the service online, all questions will be answered.