Overview
Every furnace relining in the Kanpur foundry belt, every sugar-mill boiler repair in Hardoi and Sitapur and every kiln in the Unnao–Kanpur brick and ceramic belt consumes fire bricks, insulating bricks, castable and mortar. Wedge Industries Limited supplies these as an order-linked repair pack with the calcium silicate and ceramic fibre it already sells, so the plant gets the whole lining from one supplier.
Dense fireclay and high-alumina bricks form the hot face; insulating fire bricks and calcium silicate the back-up; castables and mortars the joints, burner blocks and repairs. Standard grades ship from Indian makers; special grades are imported through the Wedge group.
Refractory brick and castable specifications
| Property | Value |
|---|---|
| Dense fire bricks | Fireclay / high-alumina / silica / magnesia / chrome grades; Al₂O₃ 30 / 45 / 60 / 75 / 90 %+ |
| Maximum service temperature | 1300°C – 1800°C grade dependent |
| Bulk density | 1700 – 3000 kg/m³ |
| Compressive strength | 20 – 150 MPa |
| Standard size | 230 × 115 × 75 mm ISO; arch, key, wedge and custom shapes |
| Insulating fire bricks | Lightweight insulating bricks and shapes for back-up linings (grade data on TDS) |
| Castables and mortars | Conventional and low-cement castables, air-setting and heat-setting mortars matched to the brick grade; shelf life controlled |
| Related lining materials | Calcium silicate board, ceramic fibre blanket/board/paper, microporous back-up |
Full technical data sheet, standards compliance and test certificates are supplied with the quotation.
Refractory pricing
Bricks are priced per piece or per tonne by grade; castables and mortars per bag. Send the furnace or boiler drawing, the grade in use and the quantity for a delivered price to Kanpur, Unnao, Hardoi, Barabanki, Lucknow or Agra. Supply is order-linked — Wedge does not hold speculative refractory stock in the region.
Applications in Lucknow and the region
- Induction and cupola furnace linings and repairs in Kanpur foundries
- Sugar-mill boiler furnaces, ash hoppers and burner blocks in Hardoi and Sitapur
- Brick kilns, ceramic and glass kilns in the Kanpur–Unnao belt
- Incinerators, heat-treatment and forging furnaces
- Aluminium melting and holding furnaces
Installation and specification notes
Bricks are laid with the matched mortar at the joint width the design specifies; castables are mixed and vibrated or gunned by the refractory contractor; insulating bricks and calcium silicate go behind the hot face. Wedge supplies materials and can refer supervised relining contractors; castable shelf life is checked before dispatch.
Supply and delivery across the Lucknow – Kanpur – Agra belt
Wedge Industries Limited is building a regional sales, estimating and stock base for Lucknow, Hardoi, Sandila, Kanpur, Unnao, Barabanki and Agra. Refractory repair materials are supplied order-linked from the works and partner makers; no speculative regional stock. Bulk panels and large board orders can be dispatched direct from the manufacturing works to site where that is cheaper; consolidated deliveries run on fixed days to Lucknow, Kanpur, Unnao and Barabanki.
Typical buyers in this region: sugar mills in Hardoi and Sitapur, food and consumer-goods plants in Sandila and Barabanki, tanneries and process units in Unnao, foundries and engineering works in Kanpur, cold stores in the potato belt (Hardoi, Kanpur, Unnao, Farrukhabad, Agra), and MEP, fire and interior contractors on Lucknow hospital, hotel, school and office projects.
Why buy from Wedge Industries Limited
- Manufacturing and finishing in Faridabad (Delhi NCR), with group operations in the UK, Spain and China and exports to 45+ countries.
- One supplier for insulation, passive fire protection, acoustics, boards and refractory repair materials — fewer vendors on the site.
- Technical data sheet, test certificates and a material test certificate issued with every order on request.
- Installation and application support through supervised partner crews for jackets, firestop, acoustic and enclosure work.
- GST invoice, regional delivery and a named estimator for the Lucknow region.
Frequently asked questions
Which brick grade for a sugar-mill boiler furnace?
Fireclay or 45–60 % alumina bricks with matching mortar are usual for boiler furnaces and ash hoppers; send the operating temperature and the existing brick reference and we confirm the grade.
Do you supply castable with the bricks?
Yes. Castables and mortars matched to the brick grade are supplied with every brick and calcium silicate order.
What is an insulating fire brick?
A lightweight, porous brick used behind the dense hot-face brick to cut heat loss and shell temperature; it sits alongside calcium silicate and ceramic fibre in the lining.
Do you deliver to Kanpur foundries?
Yes. Order-linked supply is delivered to Kanpur, Unnao and the wider belt; bulk orders ship direct from the maker to the plant.
Can Wedge supply the whole furnace lining?
Yes — hot-face bricks, castables, insulating bricks, calcium silicate back-up and ceramic fibre from one supplier, with technical data for each layer.
Related products and pages
- Fire clay bricks
- Insulation Bricks
- Calcium Silicate Board — Lucknow
- Ceramic Fibre Board & Modules — Lucknow
- All Wedge Lucknow Products
- Full product catalogue
Get a quotation for Refractory Fire Bricks, Insulating Bricks, Castables & Mortars in Lucknow, Hardoi, Sandila, Kanpur, Unnao, Barabanki and Agra
Send the quantity, sizes and delivery site and Wedge Industries Limited will quote within 24 hours with a GST invoice and regional delivery.
