If an interior door serves as a home entrance door or a garage door, it needs a special security feature. Josko offers you two security packages which equip your interior door with comprehensive and effective security systems.

SECURITY PACKAGE 1

• Special door leaf of climate class b or c
• Solid strike boxes extra anchored in the doorframe
• Triple bolt locking
• Three pieces of reinforced, ball bearing mounted, three-part double-pin strap hinges in the fire protection doors
• Solid wood rebate edging
• Triplebolt security in the door and frame rebates
• Gear cylinder with anti-break and anti-drilling protection and reinforced key guide

EXPANDED SECURITY PACKAGE 2

• Four bolts with integrated door restrictor or
• Five bolts without door restrictor