SW11-F

Heritage slim-steel grid windowKenyan box & cross

Steel windows · Slim steel frame with glazing-bar grid; fixed + casement

Indicative starting price for the smallest standard size, excluding VAT and installation. Confirmed after site measurement.

Standard sizes

900×1200, 900×2100, 1200×1200, 1200×1500, 1500×1500, 1800×1500, 1800×1800, 2400×1800, 2400×2100, 3000×2100 (10 options)

Material & construction

Frame: Window frame section 32 mild steel; sashes: T-bar 25x25x3; grille: Flat bar 25x5 (kenyan box & cross) welded to frame. Glazing: 5 mm clear (Select) / 6.38 mm laminated or slim double glazing (Modern).

Specification

Heritage slim-steel grid window – Slim steel frame with glazing-bar grid; fixed + casement. Frame size = opening − 10 mm. Sash clearance 2–3 mm. Grille openings ≤ 125 mm. Tolerances: size ±2 mm, diagonals ≤ 2 mm. Coating per tier (see Tier Guide).

Hardware & consumables

Hinges, cockspur handles, peg stays, glazing clips. Glazing putty or glazing silicone, setting blocks, glazing clips. Welding consumables (MIG wire ER70S-6 0.8–1.0 mm + CO₂/Ar gas, or E6013 electrodes 2.5/3.2 mm); grinding & flap discs (80/120 grit); cutting discs; degreaser/thinner; primer and finish coats per tier; hole caps/end plugs for hollow sections; masonry lugs (25 × 3 flat, fish-tailed) or M10 sleeve/chemical anchors; cement-sand mortar or sealant for building-in; packers.