Door closers ensure fire doors shut automatically — a legal requirement in most buildings.

Types of Closers

• Overhead closers: Most common
• Concealed closers: Hidden for aesthetics
• Floor springs: Used for heavy or double doors

Power Ratings

EN1154 defines closer strength from 1 to 7.

• Internal doors: EN2–EN4
• Heavy or external doors: EN5–EN7

Key Features

• Adjustable closing speed
• Latching action
• Backcheck (prevents slamming)
• Delayed closing (accessibility)

Final Thoughts

Choose a closer that matches door weight, usage level, and fire rating. Always ensure it is CE marked and fire tested.