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D-109, Vivek Vihar, Phase-1, Vivek Vihar, Delhi - 110095, India

Mobile : +91-9810263392, +91-9810380604

Phone : +91-11-22151344, +91-11-22163898

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Pre-Engineered Buildings

Pre-Engineered Steel Buildings are the fastest systems of modern day construction, an amalgamation of speed, functionality and durability. These are known for their unique designs, self-adhesive nature and thermal insulation properties.

Rainbow Buildings provide end-to-end PEB solution from structural design to installation. We design, fabricate and deliver world class buildings on time and within budget. We define quality and commitment to excellence. As a leading provider of Pre-Fabricated Metal Buildings, We take pride in offering the best residential and commercial construction options in India.

Whether you are in the market for a simple, low complexity building or a large complicated structure, Rainbow has the staff, the expertise, manufacturing facilities and most importantly the drive and commitment to deliver. Our Pre- Engineered Steel systems make the erection process simple and faster, giving you flexibility paired with aesthetic appeal.

Applications of Pre-Engineered buildings are numerous, described in few words, Pre-Engineered Buildings are ideal for any non-residential low-rise building. Pre-Engineered Building system can meet the demands of greater expense with the use of interior columns. Tapered column rigid frames are combined with interior pipe column and bypass sidewall girts. Large manufacturing warehouses and commercial operation rely upon this system where economy is of the utmost importance.

We offer Rainbow structures in a wide variety of frames to accommodate our customers' requirements. These are typically suitable for area greater than 10,000 sqft. One can choose from the following standard frame types.

Primary Framing System

Primary framing consists of all structural elements which transfer load to the foundation and comprise of:
  • Rigid Frames
  • End Wall Frames
  • Wind Bracing
  • Crane Brackets

Rigid Frames
Rigid Frames are unit structural skeletal members bearing the load of entire building. They're I-section members (web and flange) interconnected with affiliation bolts.Horizontal structure member's area unit referred to as Rafters. These steel structures area unit rigid and light - weight are made in numerous sizes and forms. This can be additionally referred to as primary framing system. The first framing system is basic demand of all Pre-Engineered Buildings in step with its dimension, the first framing system is that the same on each side of the central ridge line. The first framing system is additional advanced with asymmetrical options beside some advanced arrangements additionally. These framing systems area unit factory-made as per shopper demand. These primary members are out there in customary ready-made shapes or as channels additionally for the difficult primary framing system. Alternative members of a primary framing system are finish wall frames, Crane Brackets and Wind Bracing in an exceedingly Pre-Engineered Building, a side from the first framing system, secondary framing system, sheeting, These add ons are crane beam, canopies, trusses, fascias, Roof extension and mezzanine floors.

End Wall Frames
End wall frames measure one in every essential structural elements of primary framing system, a crucial member of Pre-Engineered Buildings. Intermediate column of finish wall frame distribute the load of building equally A primary framing system is that the main member of a Pre-Engineered Building. typically, one a {part of} a primary framing system is comparable to the opposite part on either facet of the ridge line. The structural systems as well as the first framing system vary in type and size in accordance with the preferences of the shoppers. End wall Frames will be designed in 2 varieties, expandable rigid frame or post finish beam rely on consumer demand for future enlargement.

Wind Bracing
Wind Bracings square measure cross primary supporting members that transfer the loading or unstable forces equally on columns and support all the structural units of a Pre-Engineered Building. These days steel building has replaced the significant typical structural materials and concrete structure. The steel buildings became extensively common solely because of their sturdiness, ability and lightness. Wind bracing, a necessary part of a primary framing system offers vertical strength to the building for holding up the complete pre-engineered structure. Wind bracing options intersected brackets gift within and roof walls in one or multiple inlets, which depend on the span and total weight of the building. Wind bracing, an essential element of a primary framing system, along with the other structural elements of a primary framing system, is manufactured as sturdy and light weight personalized components in accordance with the customer’s preference and purpose.

Crane Brackets
Some of the essential structural items needed in an exceedingly primary framing system square measure the Crane brackets. the Crane brackets square measure the same old effective members holding up the cranes beams. the Crane brackets in an exceedingly primary framing system carry the load of the Crane joists or crane beams and square measure hooked up to the columns. the Crane brackets joined to the vertical columns substitute the employment of AN overhead crane brackets. the Crane brackets square measure the foremost reasonable parts for supporting the Crane joists on the vertical columns. the Crane brackets may be singly employed in inlets. The columns holding the Crane brackets ought to be robust enough and also the house overhead the Crane bracket ought to lack all obstacles. Crane brackets square measure fastened with robust connecting and fixing bolts. the Crane brackets square measure the pre-engineered components of a building to be used with robust beams. Crane brackets is put in and adjusted handily on columns.

Secondary members include purlins (framing members that span parallel to the building eave, & support the roof or wall sheeting) cladding (zinc-coated pre-painted galvalume (PPGL) sheets available in a range of superior and aesthetic colors) and wind bracing.

* Purlins
* Cladding
* Bracing

Our accessories provide value addition to your building. Available options are roof-mounted ventilators, louvers, different types of insulation, cage ladder for roof access, FRP or PC sheets for natural light to pass through

* Louvers
* Insulation
* Ventilators


  • Clear Span

  • Double Bay, Single Ridge

  • Triple Bay, Single Ridge

  • Four Bays, Single Ridge

  • Multi-Gable

  • Single Slope