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Unlisted shares are illiquid and carry higher risk than listed securities. Prices are indicative, not live. Read the risk disclosure.

Valuation
Financials (FY2025)
Investment Thesis
India's only domestic glass wool insulation manufacturer (est. 1976, Sikandrabad UP + Ambernath Maharashtra), operating under the Twigainsul brand with 18,000 MT annual capacity. Previously NRI-promoted with a Saint-Gobain technology license since 2005. Acquired by French multinational Saint-Gobain (Paris-listed) in April 2023 for ~₹400 Cr — a strategic acquisition confirming India's glass wool market potential. Revenue ₹228 Cr FY2025. CRISIL A/Stable pre-acquisition. Now a private subsidiary of Saint-Gobain — no longer publicly investable as a standalone entity.
Pros
Cons
Business Segments
Glass wool insulation manufacturing — India's only domestic glass wool producer (Twigainsul brand)
Products: glass wool rolls/slabs, pipe sections, flexible ducts, thermal/acoustic insulation
Manufacturing: Sikandrabad, Uttar Pradesh (18,000 MT/year capacity) + Ambernath, Maharashtra
Revenue Model
UP Twiga Fiberglass generates revenue primarily through manufacturing and selling fiberglass insulation products to the construction, industrial, and infrastructure sectors. Being a technology licensee of Saint-Gobain ISOVER, it benefits from established product formulations while serving the Indian market.
Detailed Analysis
Industry Tailwinds
Growing demand for composite materials in wind energy (turbine blades)
Infrastructure construction driving demand for fiberglass pipes and tanks
Electrical insulation demand from expanding power transmission networks
Lightweighting trend in automotive and transportation sectors
Industry Headwinds
Recent Developments
Comparable Companies
SAINT-GOBAIN
Frequently Asked Questions
About UP Twiga Fiberglass
UP Twiga Fiberglass Limited is a Uttar Pradesh-based manufacturer of fiberglass products, incorporated in 1985. Listed on BSE with ISIN INE836C01016, the company manufactures glass fiber and fiberglass composite products used across construction, industrial, electrical insulation, and other applications. Fiberglass (glass fiber reinforced polymer) products have applications across a wide range of industries — from construction and automotive to electrical insulation and wind energy. UP Twiga operates in this composite materials segment from its base in Uttar Pradesh. The company's products may include glass wool, glass fabric, fiberglass pipes and tanks, and other composite structures. The company is a joint venture entity with the Twiga brand name suggesting a possible East African or international partnership history. With over three decades of manufacturing operations, UP Twiga has served the industrial and construction sectors in North India. The growing demand for composite materials across India's infrastructure and wind energy sectors provides potential tailwinds for fiberglass manufacturers.
Key Milestones
1976 — Incorporated (22 May); promoted by NRI group with PICUP and UPSIDC (UP State Government joint sector)
1994–95 — Government stake diluted; restructured to NRI private control
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You enquire
Takes 2 minutes
We source & quote
Typically within 1 business day
You accept the allocation
Quote valid for 3 days
You transfer the funds
Pay within 2 days of accepting
Shares reach your demat
Usually credited within 2–3 business days
Unlisted shares are illiquid and carry higher risk. Pricing is indicative, not live, and these are private off-market transactions with no exchange settlement guarantee. Read the full risk disclosure.
Raw material (silica, chemicals) price volatility
Competition from large organized fiberglass manufacturers
Limited publicly available operational details
Limited publicly available financial information
Source: Media Reports / Public Records
Small-cap with limited trading volumes
Source: Media Reports / Public Records
Limited operational transparency
Source: Media Reports / Public Records
Business model relies on technology license from Saint-Gobain ISOVER; any change in the licensing agreement could materially impact operations and product competitiveness
Faces competition from other insulation manufacturers in India including listed players like Owens Corning India and unorganized sector participants
As an unlisted company, shares have limited liquidity and price discovery, with trades occurring only in informal unlisted markets
2005 — Entered Saint-Gobain (Isover division) technology licensing agreement for glass wool manufacturing
2022 — CRISIL A/Stable reaffirmed; revenue ₹183 Cr; capacity 18,000 MT/year at two plants
22 February 2023 — Saint-Gobain announces acquisition of UP Twiga Fiberglass for ~₹400 Cr (INR 4 billion)
30 April 2023 — Acquisition completed; company becomes Saint-Gobain subsidiary; converted to private limited
Post-2023 — Products marketed as Twigainsul under Saint-Gobain India Insulation brand
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