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Aluminium for Construction and Architecture

Window sections, curtain wall profiles, structural framing, ACP cladding, and facade glass, manufactured or processed at Karnataka Metal Company's own plants and supplied from a single source in Bangalore.

Own extrusion plant
4,800 TPA
Own Extrusion Plant
Full 6000 series alloys
7 Alloys
Full 6000 Series
Integrated glass and aluminium supplier
Glass + Aluminium
Integrated Supplier
Years in aluminium
50+ Years
In Aluminium Since 1974
Construction aluminium profiles including window sections, angles, channels, and tubes by Karnataka Metal Company

Karnataka Metal Company manufactures construction aluminium at its Dabaspet plant and supplies processed glass from Nelamangala, providing aluminium extrusions and glass for building projects from a single source.

Construction Aluminium Products and Applications

Karnataka Metal Company supplies construction aluminium across five building applications, all manufactured or stocked at its Bangalore facilities.

Aluminium window and door sections for residential and commercial construction

Windows and Doors

Standard aluminium sections for sliding windows, casement windows, and swing doors in 6063-T6 alloy. Ready stock at A.M Road, Bangalore.

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Aluminium curtain wall mullion and transom profiles for commercial building facades

Curtain Walls and Glazed Facades

Custom-extruded mullion and transom profiles for stick and unitised curtain wall systems in 6063 alloy, with integrated glass supply from the same source.

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ACP aluminium composite panels for building facade cladding

ACP Cladding and Exterior Facades

Aludecor ACP panels in 300+ colours across all four fire grades (NFR, FR, A2, AG+). Authorised distributor since 2008 with ready stock in Bangalore.

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Aluminium angles, channels, and tubes for structural framing in construction

Structural and Industrial Framing

Aluminium angles and channels, tubes, and formwork profiles for load-bearing frames, trusses, support structures, and building construction. Mostly supplied in 6005 and 6061 alloys, and in 6082 where higher strength is required.

Aluminium tubes and profiles for railings and interior partitions

Railings, Partitions and Interiors

Round and square aluminium tubes for handrails and balustrades, channels for glass partitions, and custom profiles for interior architectural elements.

Construction Aluminium Specifications

Alloys for Construction
Karnataka Metal Company extrudes construction aluminium profiles in the full 6000 series. The alloy choice depends on the strength and corrosion requirements of each building application. For a detailed comparison, read the guide on 6063 vs 6061 aluminium.
AlloyStrength ClassConstruction Use
6063Medium-LowWindows, doors, curtain walls, architectural trim
6060Medium-LowWindows, doors, interior partitions
6061MediumFacade brackets, cleats, and formwork profiles
6005MediumFacade brackets, cleats, formwork profiles, structural framing
6082Medium-HighHeavy structural sections, industrial framing, trusses
All alloys are available in T4, T5, T6, and T66 tempers. For details on how temper affects performance, see the guide on aluminium tempers.
Aluminium billets marked by alloy at the Karnataka Metal Company extrusion plant
Surface Finishes for Construction
FinishSpecificationsBest For
Powder CoatedJotun and Interpon approved, 60-80 microns, 10-30 year warrantyExterior facades, windows, curtain walls
Anodised8 colours, glossy and matt, lifelong durabilityExterior-grade profiles, architectural trim
Mill FinishNatural aluminium surfaceInterior use, concealed structural members
In-house shot blasting (SS316 shots, 8 tonnes/day, profiles any length) is available for surface preparation before finishing. Mechanical finishes including hair line brush finish and matte buffing are also available.
BIS Standards for Construction Aluminium
StandardScope
IS 1948:2024Aluminium doors, windows, and ventilators
IS 733:1983Wrought aluminium sections for general engineering
BIS QCO 2023Mandatory BIS Standard Mark on all aluminium extrusion products (effective April 2025)
Need help selecting the right alloy, temper, or finish for your construction project? Contact us at +91 80 2670 9928 or email sales@karnatakametal.com.

Architectural Aluminium Across Building Types

Aluminium curtain wall and ACP cladding on a commercial IT park building

Commercial and IT Parks

Curtain wall facades, ACP cladding, and structural glazing for office complexes, IT parks, and commercial buildings across Bangalore and South India.

Aluminium window sections and balcony railings on a residential tower

Residential Towers and Villas

Aluminium window and door sections, balcony railings, and double glazed glass for apartment towers, gated communities, and independent villas.

Aluminium facade on a university or institutional building

Institutional and Public Buildings

Structural aluminium framing, fire-rated ACP panels, and laminated glass for universities, hospitals, government buildings, and convention centres.

Aluminium shopfront and signage on a retail building

Retail and Hospitality

Shopfront framing, aluminium partitions, and signage ACP panels for shopping malls, hotels, showrooms, and restaurants.

Structural aluminium profiles on an industrial building

Industrial and Infrastructure

Heavy-duty structural profiles in 6082 alloy for industrial sheds, warehouses, and infrastructure projects. Solar panel frames and bus body sections for transport.

Projects and Social Proof

Our Clients

By the Numbers

3 Facilities
Extrusion, Glass and Finishing
Pan-India
Delivery Across India
Glass + Aluminium
Single-Source Building Supply
In-House Quality Lab
Every Batch Tested Before Dispatch

Why Choose Karnataka Metal Company for Construction Aluminium

Own Extrusion Plant

Construction aluminium profiles extruded at our own 50,000 sq ft plant at Dabaspet, Bangalore, with 4,800 TPA capacity. We control alloy, temper, and dimensional accuracy from billet to finished profile.

Integrated Glass and Aluminium

The only integrated glass and aluminium company in South India. Source aluminium profiles, toughened glass, DGU, and ACP cladding from a single supplier for your construction project.

Full 6000 Series Alloys

Seven alloys (6063, 6060, 6061, 6005, 6082, 6351, 6101B) in T4, T5, T6, and T66 tempers. From window-grade 6063 to heavy structural 6082, every construction requirement is covered.

Surface Finishing, Single Point of Contact

Shot blasting (any length) in-house at Dabaspet; powder coating (Jotun and Interpon, 10-30 year warranty) and anodising (8 colours) outsourced but fully managed. Extrusion to finished product from one source.

In-House Quality Lab

Alloy composition is verified with a German spectrometer at the billet-casting stage, and every extrusion batch undergoes dimensional testing with Japanese measurement instruments at our in-house laboratory before dispatch.

BIS/ISI and ISO Certified

Profiles extruded to BIS/ISI standards, audited by TUV under ISO 9001:2015. Every profile carries a BIS Standard Mark per the Quality Control Order effective April 2025.

Get in Touch

Share your project drawings and aluminium requirements. Whether you are an architect, builder, contractor, or fabricator, contact us for technical guidance and pricing on construction aluminium.

Aluminium billets racked for extrusion at the Karnataka Metal Company plant, Dabaspet, Bangalore
Retail Outlet16 and 17, A.M Road, Kalasipalya Extension, Bangalore 560002
Extrusion PlantDabaspet (Sompura Industrial Area), Bangalore
Glass PlantNelamangala, Bangalore
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Common Questions

Frequently Asked Questions About Construction Aluminium

What aluminium products does Karnataka Metal Company supply for construction? +
Karnataka Metal Company supplies aluminium sections for windows and doors, custom aluminium profiles for curtain walls and facades, aluminium angles, channels and tubes for structural framing, and ACP cladding panels from Aludecor. All products are manufactured or stocked at Bangalore plants.
Which aluminium alloy is best for windows and doors? +
6063-T6 is the standard alloy for aluminium windows and doors. It offers good corrosion resistance, surface finish, and sufficient strength for window and door applications. For high-strength applications such as facade brackets and cleats, 6005 or 6061 is used.
Does Karnataka Metal Company extrude curtain wall profiles? +
Yes. The Dabaspet plant extrudes custom mullion, transom, pressure plate, and cover cap profiles for stick and unitised curtain wall systems in 6063 alloy. Facade glass (toughened, laminated, DGU) is supplied from the Nelamangala glass plant.
What surface finishes are available for construction aluminium? +
Powder coating (Jotun and Interpon approved, 10-30 year warranty), anodising (8 colours, glossy and matt), and mill finish. Shot blasting is in-house at Dabaspet; anodising and powder coating are outsourced but fully managed by Karnataka Metal Company. Shot blasting for surface preparation is available for profiles of any length.
Can you supply both aluminium and glass for a building project? +
Yes. Karnataka Metal Company is the only integrated glass and aluminium company in South India. Aluminium extrusions are produced at Dabaspet, and toughened glass (25,000 sqm/month), DGU (12,500 sqm/month), and laminated glass are processed at Nelamangala. Both are coordinated as a single order.
What BIS standards apply to construction aluminium in India? +
IS 1948:2024 covers aluminium doors, windows, and ventilators. IS 733:1983 covers wrought aluminium sections. The BIS Quality Control Order (QCO 2023), effective April 2025, mandates the BIS Standard Mark on all aluminium extrusion products sold in India.
Does Karnataka Metal Company supply construction aluminium outside Bangalore? +
Yes. Karnataka Metal Company delivers across India. For large projects, direct dispatch from the Dabaspet plant is available.