India’s Largest Glass Wool Insulation Systems Manufacturer | Wedge India
Wedge India is proud to be India’s largest manufacturer of high-performance Glass Wool Insulation systems, trusted across residential, commercial, and industrial sectors. Our advanced insulation solutions are engineered for superior thermal resistance, acoustic control, and fire safety, meeting global standards and India-specific compliance codes.
As a leading insulation expert, we offer a wide range of glass wool rolls, slabs, and custom panels designed for HVAC, roofing, ducting, wall cavities, and industrial equipment. Our fully integrated manufacturing and supply chain ensures quality, speed, and scale, making us the preferred choice for contractors, architects, and infrastructure developers nationwide.
At Wedge India, we're not just selling insulation—we’re building a cooler, quieter, safer, and more energy-efficient India.
Features, Advantages & Benefits of Glass Wool Insulation
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Our glass wool insulation is made from molten glass fibers, making it lightweight, flexible, and easy to install. This not only simplifies the installation process but also saves time and labor costs on site.
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It offers high thermal resistance (up to R-30), providing excellent temperature regulation across all seasons. This results in reduced HVAC load and significant energy savings on air conditioning and heating.
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With a Noise Reduction Coefficient (NRC) greater than 0.9, it delivers exceptional sound absorption—ensuring acoustic comfort in homes, offices, studios, and schools.
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Being fire retardant and tested to Class 1/Class 0 standards, it fully meets modern fire safety codes, offering enhanced protection for buildings and occupants.
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Our insulation is also moisture and fungus resistant, making it ideal for humid environments where it retains its integrity and requires minimal maintenance over time.
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Finally, it is eco-friendly and recyclable, supporting a low carbon footprint and making it a smart choice for green buildings and sustainable construction projects seeking LEED or GRIHA certifications.
Glass Wool, Fiberglass Duct Insulation
Glass Wool Duct is rigid board insulation material manufactured from resin bonded inorganic glass fibers. The exterior surface of the board is a factory-applied reinforced aluminium foil-air barrier and water vapour retarder. Duct system components such as tees, offsets, elbows and transitions may be fabricated from flat duct board. Fibrous glass duct boards are fabricated into ducts to make a fibrous glass duct system.
Features and Benefits
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Fire Protection
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High Thermal and acoustic insulation
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Faster installation and Easy to install
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Lower installed cost
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Flexibility of site fabrication and assembly
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Precision of factory made ducts
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Improved performance and energy savings
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Excellent aesthetics with cleaner look
Application Guidelines
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The duct should be covered with two coats of cold applied bitumen or any other equivalent approved product after cleaning the surface & sealing all joints against leakages.
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The insulation of specific R-value and thickness should then be cut to appropriate length and stuck to the duct while the adhesive is still wet.
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All longitudinal joints and circular overlaps should be sealed with aluminium foil tape (50mm width) to make the installation leak proof.
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For large ducts, where adhesive pins have been used, speed washers / clips should be covered completely with Aluminium foil- tape to have an air-tight finish.
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The insulation should then be secured over the duct using mechanically fastened nylon/steel straps (12mm/50mm) at appropriate intervals (max 1.2m).
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For ducts having width greater than 0.6m, heavy duty self- pins are to be applied to the duct at appropriate intervals (max 300mm)
FAQs – Glass Wool Insulation
Q1: Why choose Wedge India for glass wool insulation?
A: Wedge India is the largest domestic manufacturer with ISO-certified plants, nationwide logistics, and tailor-made insulation solutions trusted by India’s top builders.
Q2: What are the standard sizes and densities available?
A: We offer rolls and boards in standard and custom thicknesses (12 mm to 100 mm) with densities ranging from 16 to 48 kg/m³.
Q3: Is your glass wool compliant with fire safety norms?
A: Yes. Our products comply with IS, ASTM, and EN standards for fire retardancy and thermal performance.
Q4: Can glass wool be used in coastal or humid regions?
A: Absolutely. Our products are moisture-resistant and fungus-proof, ideal for challenging environments like coastal or tropical zones.
Q5: Do you offer OEM or bulk supply for projects?
A: Yes. We support bulk procurement, OEM labeling, and custom cut-to-size services for EPC contractors, HVAC installers, and prefab manufacturers.