Een gedetailleerd inzicht in staalband

Warmgewalst staal

Steel strip vs steel sheet: the 24-inch width rule, how cold-rolled strip is made, and how to choose galvanized, galvalume, PPGI and PPGL steel for roofing and construction.

Hoe u PPGI-rollen koopt wanneer brandveiligheid echt van belang is

PPGI-huis in het bos

The Bottom Line: Listen. If you’re sourcing PPGI for sandwich panels, fire protection isn’t some feature you tack on at the end. It’s baked in from the substrate up. You pick a cheap steel grade and a light zinc coat, your panel buckles the second it gets hot. The paint is your frontline. Standard polyester? That stuff cooks off at 200 °C. You want a fighting chance, you spec PVDF or SMP with fire-retardant additives to form a char barrier that buys you time. Then th