Routine care twice a year keeps them smooth, secure, efficient, and long-lasting. For persistent issues, consult a professional.
Use mild detergent and water (or glass cleaner) with a soft cloth. Avoid abrasives. Clean 1–2 times yearly, more in dusty/coastal areas.
Remove dirt, leaves, or debris from hinges, crank, arms, and channels with a soft brush or vacuum.
Apply silicone-based lubricant (not oil) to hinges, crank, locks, and pivots every 6–12 months or when stiff.
Inspect for cracks or wear; replace if damaged to prevent drafts and leaks.
Ensure smooth opening/closing and proper alignment. Re-caulk exterior frame if needed.
Clear drainage slots in the sill and check for leaks.