Saint-Gobain India Private Limited - Insulation Business

What Saint-Gobain India Private Limited - Insulation Business does

Saint-Gobain India Private Limited - Insulation Business manufactures and distributes mineral wool insulation products in India under two primary brands, Rockinsul (stone wool, made from melted volcanic rock, operating up to 750°C for high-temperature industrial use) and Twigainsul (glass wool from recycled-content glass, operating up to 230°C for general-purpose thermal and acoustic applications). The business operates four manufacturing plants located in Hyderabad, Silvassa, Mumbai/Ambernath, and Delhi/Sikandrabad, supported by 11 regional sales offices across four geographic zones (North, East, West, South) and a dealer network exceeding 100 partners, distributing through both direct enterprise sales and channel partners. Its product range covers stone wool slabs, mattresses, pipe sections, lamella bats, building rolls, and loose wool, alongside glass wool rolls, boards, pipe insulation, flexible ducts, acoustic boards, the Climaver self-supporting HVAC duct system, the Ecoinsul formaldehyde-free green-binder line, and specialty products such as the Cryolene LNG cryogenic insulation range and Mineral Fiber Marine Board for naval applications.

The unit serves six core end-segments: industrial (high-temperature process plants, power, petrochemical, cement, fertilizers, sugar, distillery, paper), commercial buildings (offices, hotels, hospitals, malls, schools), residential (BEE Eco Niwas RETV-compliant homes), HVAC (pre-insulated ducting, chilled water piping), pre-engineered and metal buildings, and mobility (road, rail, metro coach interiors and engine encapsulation). Customers are reached through quote-based direct sales for enterprise and project accounts, supported by on-site technical assistance, customization for specific performance and size, and a Techcalc calculation tool, while smaller residential and PEB volume flows through the dealer network. The business holds an extensive certification stack spanning BIS (IS 8183, IS 9842), ASTM (C 547, C 592, C 612), BS 476, EN 13501, FM Approval, UL 723, EUCEB biosolubility, GRIHA, IGBC, GreenPro, Singapore Green Building Council, and SIRIM, which functions as a procurement gate-keeper for fire-rated and green-certified projects.

Saint-Gobain India - Insulation Business was consolidated in its current form through the 2022 acquisition of Rockwool India Pvt. Ltd. and the 2023 acquisition of U.P. Twiga Fiberglass Pvt. Ltd., bringing both legacy Indian mineral wool producers under the Saint-Gobain Group umbrella and leveraging the group's global Isover brand (operating since 1937) for technology and reputational transfer. As a wholly-owned subsidiary of the diversified Saint-Gobain Group (operating in 80 countries with over 360 years of history), the unit has access to group-level R&D, international distribution, and cross-border technical resources, while operating exclusively in the Indian domestic market through its plant, sales-office, and dealer footprint.

Name

Saint-Gobain India Private Limited - Insulation Business

Legal name

Saint-Gobain India Pvt. Ltd. – Insulation Business

Website

https://insulation-india.saint-gobain.com

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

101–250 employees

Short description

Saint-Gobain India Private Limited - Insulation Business manufactures and distributes mineral wool insulation (stone wool and glass wool) across India via 4 plants, 11 regional sales offices, and 100+ dealers, serving industrial, commercial, residential, HVAC, PEB, and mobility customers.

Ownership category

akta.pro rank

Product category

Building Insulation Materials

NAICS

Mineral Wool Manufacturing (327993), Roofing, Siding, and Insulation Material Merchant Wholesalers (42333)

SIC

Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290), Wholesale-Lumber & Other Construction Materials (5030)

akta.pro primary industry

Mineral Wool (Rock/Slag Wool) Insulation (IMADAGAB)

Keywords

• Mineral wool insulation
• Stone wool products
• Glass wool insulation
• Thermal insulation materials
• Fire protection insulation

Headquarters

HQ city

Mumbai

HQ country

India

HQ region

Asia

Offices14 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Mineral Wool Insulation Products: Manufacture and sale of stone wool (Rockinsul) and glass wool (Twigainsul) insulation products including rolls, boards, pipe sections, acoustic boards, LRB mattresses, and specialty products for industrial, commercial, residential, and mobility applications. Revenue generated through direct sales and dealer network distribution across India.
2. Technical Services and Customization: Technical assistance, customisation for specific performance and size requirements, on-site support and supervision, and calculation tools such as Techcalc. Provides engineering support to customers for insulation specification and optimization.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels4 records

Core offering

Saint-Gobain India – Insulation Business manufactures and sells mineral wool insulation products under the Rockinsul (stone wool/rock wool) and Twigainsul (glass wool/fiberglass) brands. Products include rolls, boards, pipe sections, LRB mattresses, RB slabs, acoustic boards, flexible ducts, marine boards, Climaver duct boards, and specialty loose wool for industrial, commercial, residential, HVAC, and mobility applications. The company also provides technical assistance, customization, on-site supervision, and the Techcalc calculation tool to support customers.

Product overview

Saint-Gobain India – Insulation Business offers a comprehensive portfolio of mineral wool insulation solutions under two primary brands: Twigainsul (glass wool) and Rockinsul (stone wool/rock wool). The Twigainsul brand includes Glass Wool Roll, Glass Wool Board, Eco Insul, Pipe Insulation, Flexible Duct, Acoustic Board, Mineral Fiber Marine Board (MFMB), and Climaver Duct Board products. The Rockinsul brand encompasses LRB Mattress, RB Slab, Pipe Section, Tuffinsul Slab, Tuffinsul Lamella Bat, Building Roll, and Loose Wool products. Together, these products address thermal insulation, acoustic comfort, and fire protection across industrial, commercial, residential, HVAC, and mobility/marine applications. The company operates four manufacturing facilities in Hyderabad, Silvassa, Mumbai, and Delhi, with a combined legacy of over 40 years through Rockwool India (established 1987) and U.P. Twiga Fiberglass (established 1979).

Differentiator

Problem solved

Functional benefit

Brands

• Rockinsul: Stone wool (rock wool) insulation brand made from melted volcanic rock such as basalt, operating at service temperatures up to 750°C for high temperature industrial applications.
• Twigainsul
• Climaver
• Isover
• Tuffinsul

Products and services

• Twigainsul Glass Wool Roll Long, resilient and flexible glass wool blankets, plain or with factory-applied facings (FSK, Aluglass, polypropylene), used for thermal and acoustic insulation in roofs, ceilings, walls, HVAC ducts, and industrial systems. Available in density 10-48 kg/m³, thickness 25-130 mm, and length 7.5-30 m.
• Twigainsul Glass Wool Board Rigid and semi-rigid glass wool product available in multiple densities (32-120 kg/m³) and facings (FSK, R3035HD, Aluglass, polypropylene, tissue, glass cloth), used for thermal and acoustic insulation in walls, ceilings, HVAC ducts, and industrial equipment. Thickness 15-100 mm.
• Ecoinsul (Glass Wool Roll and Board) Glass wool roll and board with green binder, formaldehyde-free, soft to touch, and odourless, designed for environmentally conscious applications in residential and commercial buildings.
• Twigainsul Glass Wool Pipe Insulation Pre-formed pipe sections and lamella mats made of glass fiber wedges laminated with aluminum foil, used for chilled water and hot water line insulation in HVAC applications.
• Twigainsul Flexible Duct Flexible duct insulation with glass wool core, available in insulated and uninsulated forms, used for HVAC connections with grills and metal ducts.
• Twigainsul Acoustic Board Rigid resin-bonded glass wool board with textile facings (FSK, BGC), designed for acoustic-sensitive areas in buildings, HVAC, industry/OEM, and mobility applications. NRC of 0.65 with 25 mm thickness, Reaction to Fire 'A1' non-combustible.
• Mineral Fiber Marine Board (MFMB) Rigid glass wool board designed for ship building applications to thermally separate compartments (bulkhead, deckhead, duct insulation), meeting Naval Engineering Standard 802 Part 1, NCD 1427 Issue 1, with Class 1 surface spread of flame, smoke index <10, toxicity index <5, oxygen index >65.
• Climaver Duct Board High-density rigid glass wool slab converted into self-supporting ducts for HVAC systems, offering 15% lower energy consumption and 5x faster installation than metal ducts. Density 70-80 kg/m³ (120 at profiled edges), 25 mm thickness, Fire rating Euroclass B-s1, d0, Class D air tightness per EN 1507.
• Rockinsul LRB Mattress Low resin-bonded stone wool mattress with galvanised wire mesh or steel mesh reinforcement, designed for high-temperature industrial applications (up to 650°C) including boilers, vessels, furnaces, tanks, and large piping systems.
• Rockinsul RB Slab Rigid and semi-rigid stone wool slab with density 40-180 kg/m³, available plain or with factory applied facings (FSK, Aluglass, BGT/Black Glass Fabric). Used for metal buildings, RCC underdeck, overdeck, masonry walls, drywall, façade, furnaces, tanks, boilers, and acoustic enclosures.
• Rockinsul Stone Wool Pipe Section Pre-formed stone wool pipe sections with density 100-160 kg/m³, thickness 25-100 mm, diameter 15-600 mm (NB), and length 1.2-1.25 m. Available unfaced/plain or with aluminium facing (FSK). Designed for steam and process pipelines in industrial applications.
• Tuffinsul Slab Stone wool rigid slab with superior rigidity and high compressive strength, designed for overdeck applications, floor insulation, and sandwich panels in building construction.
• Tuffinsul Lamella Bat Stone wool rigid bat with density 80-150 kg/m³, used as the core of fire-rated sandwich panels and fire doors in building applications.
• Rockinsul Building Roll Flexible stone wool blanket (resin bonded) available with or without facings, used for metal building roofs/walls, RCC underdeck, drywall, and masonry wall insulation.
• Rockinsul Loose Wool Unbonded stone wool fibers for in-fill applications in industrial settings such as ovens, tile manufacturing, brake pads, casting risers, valve insulation, and complex/irregular shapes.
• Cryolene LNG Insulation Special insulation range for LNG storage at cryogenic temperatures as low as -160°C. Operating temperatures from -170°C to +120°C. Features high tensile strength with reinforced facing, excellent fire resistance with optimized binder content, and extended lengths up to 40 m reducing joints and heat leakages.

Quantifiable outcome

• Energy savings of 17% to 35% with roof insulation in residential buildings
• +10 more outcomes

Named customers4 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Scale indicators7 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• BASF SE: Global chemical major producing Neopor, Styropor, and other insulation raw materials. While primarily a chemical/foam supplier rather than finished insulation, BASF is an adjacent competitor in building envelope insulation solutions and a key input provider for the broader insulation ecosystem.
• Owens Corning: Large US-based building materials manufacturer with a significant insulation business (including mineral wool and fiberglass). A broad incumbent offering overlapping thermal/acoustic insulation products as part of a wider roofing and composites portfolio.
• Kingspan Group: Global building envelope leader offering insulated panels and rigid insulation. Overlaps in PEB/metal building and high-performance wall insulation segments, though positioned more on the panel/rigid board side versus Saint-Gobain's mineral wool focus.

Regional players

• Lloyd Insulations India: Indian rock wool and mineral fiber insulation manufacturer and one of the few remaining domestic competitors in India's stone wool segment. Most directly comparable regional peer serving industrial and commercial applications within India.

Direct peers

• Rockwool A/S: The global leader in stone wool insulation headquartered in Denmark. Direct peer - the company inherited the Rockwool India business (formerly Rockwool India Pvt. Ltd., acquired 2022), making Rockwool A/S the most direct global comparable in stone wool manufacturing, technology, and product portfolio.
• Johns Manville: Berkshire Hathaway-owned manufacturer of mineral wool insulation and engineered building products. Directly comparable in glass wool and stone wool product lines serving industrial, commercial, and HVAC segments.
• Knauf Insulation: Major global manufacturer of mineral wool (glass wool and rock wool) insulation and one of Saint-Gobain's largest direct competitors worldwide. Comparable across product range, application segments, and distribution model.

Emerging players

• Thermobreak Insulation: Manufacturer of flexible elastomeric foam and HVAC/tubing insulation with presence in the Indian and Asia-Pacific markets. Comparable in HVAC and chilled-water pipe insulation segments.
• Armacell: Global specialist in flexible elastomeric foams and engineered insulation for industrial, HVAC, and mobility applications. Overlaps in HVAC pipe insulation and OEM/mobility segments where Saint-Gobain's glass wool competes.

Others

• UP Twiga Fiberglass (predecessor): Listed here as a 'previously known as' predecessor entity; now fully integrated into the Saint-Gobain India Insulation Business following the 2023 acquisition. Included as a structural reference rather than an active competitor - the acquisition eliminated a major pre-existing Indian glass wool competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/saint-gobain-india-insulation

Compliance24 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Saint-Gobain India Private Limited - Insulation Business