Fire Rated Access Panel Trapdoor

STEEL ACCESS PANEL SS-AP525 1. Fire rated access panel for wall or ceiling application 2. 1mm galvanized steel frame 3. Fire Rated Rock wool and plasterboard inside 4. White powder coating finish or special color available 5. High durability and corrosion protection 6. Install by screws from the holes on the frame 7. Lock: Square lock by L key 8. Standard size:/30x30/40x40/50x50/60x60 9. All size are welded frame 10. Packaging: Each piece put into single box, then put into big carton Advantage: Heavy duty and fire rated Item Neck Size(mm) Opening Size W1×L1(mm) Overall Size W2×L2(mm) SS-AP525 200×200 189.9×189.9 219.5×219.5 300×300 289.9×289.9 319.5×319.5 300×400 289.9×389.9 319.5×419.5 400×400 389.9×389.9 419.5×419.5 500×500 489.9×489.9 519.5×519.5 600×600 589.9×589.9 619.5×619.5