Providing & Fixing of SONEX Hi- Rib roofing/wall cladding system made out of Galvanised steel/ Galvalume Aluminium, permanently colour coated, profiled sheet with hi – Rib depth of 30 mm at minimum 200 mm pitch distance over purlins and fixed with self drilling galvanised fasteners. SONEX Hi – Rib Sheet comes with profiled width of 1070 mm & cover width of 1000 mm.
Profiled sheet shall be roll formed out of desired material (viz. galvanised steel, galvalume or aluminium) of desired thickness & paint finish.
The sheet shall be fixed over the purlins with hexagonal head self – drilling fasteners including Neoprene / EPDM washers on each crust of sheet. The fasteners are fixed mechanically using electric tools through crests & trough crests & troughs.

Base Material Options:

Galvalume:Galvalume high tensile cold rolled steel as per AS 1397, coating class AZ 150 (min. 150 gms/m 2 Zinc – aluminium alloy coating mass, total of both sides), 550 MPa/300 MPa yield strength. The alloy coating comprises of 55% Aluminium, 43.5 % Zinc &1.5 % Silicon. Available in bare finish & colour coated finish, with sheet thickness between 0.47mm to 0.60 mm.

Galvanised Steel :Galvanised cold rolled Steel as per IS:277 & IS:513(min. 175gms/m2 zinc coating mass total of both sides, 240 MPayield strength. Available in bare finish & colour coasted finish with sheet thickness between 0.50mm to 0.80mm.
Aluminium:- Aluminium Alloy AA 3105

Paint Coating Options:

Galvalume : Superpolyester XRW, Silicion modified Polyester or fluropolymer 20 microns top coat over primer (finished side), neutral back coat of 5 microns over primer (back side) .

Galvanised Steel: Polyester top coat of 20 microns, over primer of 5 microns (finished side), with back coat (back side).

...With excellent surface finish.