Specifications
| Pre-Painted Galvalume Sheets | |||
| Coating Mass: | Galvalume | 70AZ/150AZ/200AZ | |
| Galvanized | 90 gsm /120 gsm | ||
| Yield Strength: | Galvalume | 550 Mpa/ 350 Mpa | |
| Galvanized | 240 Mpa/ 350 Mpa | ||
| Sheet Thickness: | 0.30/0.35/0.40/0.45/0.47/0.50/0.55/0.60 | ||
| Colours: | Sky Blue/Off White/Mist Green/Brick Red (regular moving colours) | ||
| Paint Finish: | Glossy/Matte | ||
| Painting Thickness (Top) | 18 - 22 microns | ||
| Painting Thickness (Bottom) | 5 - 7 microns | ||
| Width: | 1.06mm /1.085mm | ||
| Pitch crest to crest: | 200mm/250mm | ||
| Max Length: | 15 mtrs. | ||
Paint Properties Comparision
| Properties | SUPER/HIGH Durable Polyester | RMP | SMP | PVDF | PVC |
|---|---|---|---|---|---|
| Flexibility | Good | Fair | Poor | Good | Excellent |
| UV Resistance | Good | Poor | Fair | Excellent | Good |
| Gloss Retension | Excellent | Good | Good | Poor | Fair |
| Chalking Resistance | Good | Poor | Fair | Excellent | Fair |
| Costs | Marginal | Lowest | High | Very High | High |
| Durability Yrs | 10 | 8 | 10 | 15 | |
| SST Hrs | 1000 | 750 | 750 | 1000 | 1000 |
| Consumption per lit. | Colour Specific | ||||
| Foam Adhesion | Colour Specific | ||||
Comparison
| Types of products | PVDF | SDP | SMP | RMP |
|---|---|---|---|---|
| Description | Highest UV resistance coating based on a mixture of PVDF and Acrylic resins. ( Applicable in adverse climatic condition like High rise building, Malls,Facades) | This product gives best possible UV resistance of polyester based coatings ( Applicable in Roofing, façade cladding of residential) | Silicon Modified polyester based coatings for elevated temperature areas |
A wide & varied range of products based on polyester resins |
| Corrosively Environment | C3 Category | C2 Category | C2 Category | C1 Category |
| End Use | Especially suitable for facades in residential areas. | Roofing & Siding | Roofing & Cladding | Facades, Roofing& Ceilings |
| Resin System | PVDF & Acrylic Resin (70:30) | Super Durable Resin | Silicon Modified Resin | Modified Polyester Resin |
| Pigments | High Performance Inorganic Pigments | High Performance Pigments | Regular Organic and Inorganic Pigments | Regular Organic and Inorganic Pigments |
| Shades | Restricted Colours | Restricted Colours | All Shades | All Shades |
| Recommended DFT | 18-20µ | 18-20 µ | 14-20 µ | 14-20 µ |
| Gloss* @ 60 (%) | 10-35 | 10-80 | 10-80 | 10-80 |
| QUV* @ASTM G154 | 4000Hrs | 1500Hrs | 1000Hrs | 1000Hrs |
| SST** @ASTM B117 | 1500 Hrs | 1000Hrs | 1000Hrs | 1000Hrs |
| Humidity | 2000 Hrs | 1000 Hrs | 1000 Hrs | 1000 Hrs |
| Hardness | Soft film with low scratch resistance | Good Scratch resistance | Very Good scratch resistance | Excellent scratch resistance |
| Flexibility | Flexible Top Coats | Medium Flexible | Semi Hard Topcoats | Average Flexibility |
| Chemical Resistance | Excellent | Excellent | Good | Average |
| Warranty | 10-12 years warranty based on shade & territory | 8-12 years warranty based on shade & territory | 5-10 years warranty based on shade & territory | No Warranty |
Crimp Sheets
Easy to install, crimped curved sheets provide versatility and creativity that bring new and refreshing design to industrial and domestic buildings. The combination curves and contours in concave and convex shapes with flats and angles can be used to add an aesthetic appeal to the building.
Tile Profile Sheet
Alfa offers a traditional and popular Mangalore Tiled shape profile. Elegant-looking clay-tiled profile sheets are available in a variety of colors, adds beauty to your roof. Tile Roof Sheet offered comes in precision designed and construction finish to perfectly match up with the different roofing requirements. Further, the superior construction values of these sheets also make them provide for excellent resistance from corrosion as well as deliver optimum sound insulation and fire retardant support as demanded by the customer’s insulated panel.
Advantages
- Excellent design & secure fastening systems ensure the security and weather-light performance of coated steel roofing during extreme weather. Coated steel sheets are resistant to fire.
- Excellent thermal properties that keep the building cooler in summer and warmer in winter
- Prevents noise and provides a quite roofing system, particularly when used in combination with appropriate insulation systems.