For RCC slabs in Noida and Delhi NCR construction, the quick answer is: MS (mild steel) welded mesh is the standard reinforcement, specified by spacing (typically 75-200 mm), wire diameter (2-8 mm) and sheet size, and laid with proper laps. It gives precise, factory-welded grids that save labour versus hand-tied rebar. This guide from Garg Industrial Mesh, Sector 9 Noida, explains the specs.
Why use welded mesh for concrete slabs?
Welded mesh gives a precise, uniform grid of factory-welded intersections - stronger and more consistent than hand-tied rebar for the same steel area, and far faster to lay. For slabs, beams, precast elements, road reinforcement and retaining walls, MS welded mesh is the workhorse reinforcement in Indian construction.
MS welded mesh specs for RCC slabs
| Slab type | Spacing | Wire diameter | Sheet size | Indicative price |
|---|---|---|---|---|
| Light slab (residential) | 100-150 mm | 2-4 mm | 4x8 ft / rolls | Rs40-55/sqft |
| Standard slab | 100 mm | 4-6 mm | 4x8 ft | Rs45-60/sqft |
| Heavy slab / beam | 75-100 mm | 6-8 mm | 4x8 ft | Rs55-75/sqft |
| Road / pavement | 100-200 mm | 4-6 mm | rolls | Rs45-60/sqft |
How to choose the spacing
Spacing (the gap between wires) decides how many wires per metre - tighter spacing gives more steel area and crack control. For residential slabs, 100-150 mm spacing is common. For heavier or wider slabs, tighten to 75-100 mm. Wider spacing (150-200 mm) suits pavements and light-duty slabs.
How to choose the wire diameter
Wire diameter sets the steel area per wire. Light residential slabs use 2-4 mm wire; standard slabs 4-6 mm; heavy slabs and beams 6-8 mm. Undersized wire cracks under load; oversized wire wastes money. Match the wire to the span and the expected load - your structural drawing specifies this.
Sheet sizes and laps
MS welded mesh comes in 4x8 ft sheets or rolls (commonly 2 m wide). Lay sheets with a lap of at least 1.5x the spacing at joints, and tie laps securely. The mesh sits on cover blocks to maintain concrete cover. For slabs, the mesh is placed near the top to control shrinkage cracking and near the bottom for flexure as specified by the engineer.
MS vs GI vs SS for slab reinforcement
For slab reinforcement, MS is the standard - it is embedded in concrete where it does not rust, and its raw strength is ideal. GI and SS are not needed inside concrete; they add cost without benefit. Save GI and SS for exposed or outdoor mesh, not for embedded reinforcement.
How to order welded mesh for slabs in Noida
Garg Industrial Mesh, Sector 9 Noida, stocks MS welded mesh in common spacings and wire diameters, in sheets and rolls, cut to your slab size. Share your structural spec (spacing, wire diameter, area) and we will quote with GST billing - call or WhatsApp 9910238277.