ROOF & WALL PANELS :
The pre-painted roof and wall panels shall be of 26 gauge / 24 gauge steel roll-formed sheets.
2 The steel shall have a minimum yield strength of 29kN/cm and shall conform to ASTM 653.

Zinc coating on steel is achieved by continuous hot-dip galvanization that equals or exceeds ASTM A 527 standard.

Exterior surface shall be precision polyester coated type top finish with dry film thickness of 25 (+ 5 microns). The reverse side shall be of grey/ white colour with 5 microns of dry film thickness.
North West profile sheets are available in 3 different profile sections and a variety of colour options to choose from.

SANDWICH / COMPOSITE PANEL :
Polyurethane injected composite panels available in various thickness and density.

‘Z’ & ‘C’ PROFILE PURLINS & GIRTS
Purlins / Girts are made of galvanized steel conforming to ASTM A 653 Grade 50.

Zinc coating on steel is achieved through a process of continuous hot dip galvanizing that equals 275 gsm class G90. 2 It has a minimum yield strength Fy of 345N/mm.