HSI | High Strength Insulation Boards

Wedge HSI 1200

HSI 1200 grade boards are Calcium Silicate based Refractory Insulation Boards made of high quality refractory mineral fibers and calcium silicate bonded with high temperature clays. These insulation boards possess unique combination of properties for various industrial applications in furnace backup insulation, high temperature gasketing & seals.

Wedge HSI 1100

HSI 1100 grade are calcium silicate & wollastonite fibres based boards ideal protection against electrical arcs, used for burner, boiler and dryer gaskets. These boards are made of high quality wollastonite fibres and calcium silicate bonded with high temperature clays. These insulation boards possess unique combination of properties for various industrial applications in furnace backup insulation, high temperature gasketing & seals.


Wedge HSI 1000

are calcium silicate & wollastonite fibres based boards ideal for high temperature backup insulation, fire protection, fire doors, electrical home appliances, electrical arcs, furnace backup insulation, high temperature gasketing, duct fire protection, pipe insulation, fire & insulation seals, high temperature electrical insulation, etc.

Features & Benefits

• Very Strong Boards with high compressive strength

• High temperature resistance from 1000°C upto 1200°C

• Low Thermal Conductivity at high temperatures

• High Electrical Resistance at high temperature

• High fire resistance and heat shield properties

• Easy to cut and punch

• Available in moulded pipe section for pipe insulation


• Ladle & Tundish Insulation

• Lime Kiln and Cement Kiln Insulation

• High temperature insulation Gaskets

• Boiler & Furnace Insulation

• Oil & Gas Burners Insulation

• Furnace, Dryer, and Oven Insulation

• High temperature Pipe Insulation

• Refractory insulation expansion joints

• Metal clad Gaskets fillers

• Gaskets for centrifugal casting

• Glass rollers as washers on mandrel

• Stainless Steel Plant Rollers Insulation

• Electrical & home appliances insulation gaskets

• Fire Resistant Doors, Lifts, Safes, Cupboards

+91 (0)124 4089664

info @wedge-india.com

+91 97175 06848‬


Wedge India

14th Floor, 03-120, SVO, Behind Global Business Park

Near Guru Dronacharya Metro, MG Road,

DLF Phase1, Gurgaon - 122002

Tel: +91 124 408 9664

Building Materials & Agri Products

Level 4 Augusta Point, DLF Phase 5,

Gurgaon,Haryana - 122002 India

Insulation Customer Service

806A - Galleria Tower, Galleria Market

DLF Phase 4, Gurgaon - 122009

EPC / Projects Services

B-3/17 LGF, Safdarjung Enclave

New Delhi - 110029

Mumbai: 504, Kbond, Twin Complex-I, 

Fire Bridgade Road, Marol, Andheri, 

Mumbai - 400059, India

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71-75 Shelton Street, Covent Garden

London - WC2H 9JQ, England, UK

Tel: +44 20 3575 1161

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No 40 Shangsi Road, Shangjie District, Zhengzhou City,

Henan Province, 450041, China

Tel: +852 8191 1772

Czech Republic

EPC Furnaces

Realistic: Závodu míru 4, 

360 17 Karlovy Vary, 

Czech Republic

Industrial Furnaces

Engineering | Design | Manufacturing

Supporting "Make in India" with more economic and energy efficient Furnace manufacturing technology.

North Africa

Annaba: Cite Des 72 Logements,

Colline Rose Bâtiment 01, Annaba - 23000, Algeria

Algiers: Villa 17, Coop El Moustakbel BeauLieu,

Oued Smar - Alger, Algeria

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