A specialized 3-layer roofing product line with both sides of the product being corrugated iron. With 11 waves for civil works.
The top of TONMAT-APEC products uses galvanized aluminum alloy/galvanized, color-coated sheets according to Japanese Industrial Standards JIS G3312, European Standards EN10169, American Standards ASTM A755/A755-03 with basic thicknesses of 0.30mm, 0.35mm, 0.40mm and 0.45mm and 4 basic colors:
- Turquoise,
- Moss green,
- Purple blue
- Dark red.
- Other colors upon customer request