BVM PREFAB Rib is our range of rib Roofing and Cladding products. BVM PREFAB Rib is durable, strong and thermal efficient. It comes in wide variety of colours, finish and material. It looks attractive and gives high aesthetic look to the building along with maintaining its strength.
- High material strength for roofing and wall applications
- Accurate thickness, width & length helps in better installations
- Anti-capillary groove ensures leak-proof roof
- Excellent thermal insulation
- Wider valley ensures higher water discharge during heavy rains
- Cost efficient due to Continuous length profile
MATERIAL / TECHNICAL SPECIFICATION
Pre-Painted Galvanized Steel Sheets (GI-Base)
| Zinc coating | Primer Service coat |
Painting thickness (top) |
Painting thickness (bottom) |
Surface paint reflection |
Conforms to |
|---|---|---|---|---|---|
| Z120 GSM | 5 microns epoxy/PU on both sides | 20 microns min. | 5-7 microns min. | Semi Gloss/Matt finish | ASTM A653, A755, JIS G3302, G3312 IS277, 513, 14246, AS1397 |
Pre-Painted Alu-Zinc Steel Sheets (Galvalume*)
(55% Aluminium 45% Zinc Alloy)
| Alu-Zinc Coating | Primer service coat | Painting thickness (top) |
Painting thickness (bottom) |
Surface paint reflection |
Conforms to |
|---|---|---|---|---|---|
| AZ 150 (Optimal AZ70) GSM | 5 microns epoxy/PU on both sides | 20 microns min. | 5-7 microns min. | Semigloss / Matt finish | ASTM A792, A755, JIS G3321,G3322,AS1397 |
Non-color Alu-Zinc Steel Sheets (Bare Galvalume*)
(55% Aluminium 45% Zinc Alloy)
| Alu-Zinc Coating | Conforms to | Yield Strength |
|---|---|---|
| AZ 150 (Optimal AZ70)GSM | ASTM A792, JIS G 3321, AS1397 | 260-550MPa |
MATERIAL DRAWING
Hi Rib 203
MATERIAL DIMENSION
Total Coating Thickness (TCT)
Range: 0.35mm to 0.80mm
| Profile | Effective Width (EW) | Pitch (P) | Depth (D) | Sheet Width (EW) |
|---|---|---|---|---|
| Trapezoidal Roofing | 1015mm ( +/- 5) | 203mm ( +/-1) | 29mm ( +/-2) | 1071mm ( +/- 5) |
Tolerance+/-10mm * Galvalume - Generic Name