After Window Installation: Care, Maintenance, and Warranty

Your investment in new windows continues to pay off with proper care. According to FGIA, understanding maintenance needs and warranty coverage keeps windows performing for decades.

Immediate Post-Installation

According to AAMA guidance:

First 48-72 Hours

• Allow caulk and sealants to cure fully
• Don't paint over new sealants for at least 7 days
• Avoid disturbing protective tape until specified
• Keep windows operable but don't force anything

First Few Weeks

• Operate windows periodically (they may loosen slightly as house settles)
• Watch for condensation patterns (some initial condensation is normal)
• Listen for drafts or air sounds
• Note any concerns for follow-up with installer

Ongoing Maintenance

According to FGIA, regular maintenance includes:

Monthly

• Clean tracks of sliding windows
• Wipe down weather seals
• Check that locks engage properly

Quarterly

• Clean glass inside and out
• Inspect weatherstripping condition
• Lubricate moving parts (silicone spray, not oil)
• Check drainage weep holes aren't blocked

Annually

• Inspect exterior caulk and sealants
• Check for any wood rot (wood windows)
• Verify hardware operation
• Inspect screens for damage
• Clean and lubricate balances/operators

Cleaning Guidelines

According to FGIA and manufacturer guidance:

Glass

• Use standard glass cleaner or mild dish soap
• Avoid abrasive materials
• Clean in shade (not direct sun)
• Rinse thoroughly

Frames (Vinyl/Fiberglass)

• Mild soap and water
• Soft cloth or sponge
• No abrasive cleaners
• Rinse with clean water

Hardware

• Wipe with dry cloth
• Lubricate per manufacturer instructions
• Don't use harsh chemicals on finishes

Understanding Your Warranty

According to FGIA, typical warranty coverage includes:

Manufacturer Warranty

• Glass seal failure (10-20+ years)
• Frame defects (varies, often lifetime)
• Hardware (typically 10+ years)
• Finish (varies by manufacturer)

Installer Warranty

• Workmanship (typically 1-5 years)
• Water infiltration from installation
• Proper seal and air tightness
• Trim and finish work

What's Usually NOT Covered

• Damage from improper cleaning
• Modifications by others
• Normal wear (weatherstripping)
• Damage from neglect
• Cosmetic changes over time (some fading)

Warranty Documentation

According to AAMA guidance, retain:

• Original contract and invoice
• Manufacturer warranty certificate
• Installer warranty statement
• NFRC labels (photograph or actual)
• Dated photos of completed installation

When to Call for Service

According to FGIA, contact your installer if:

• Windows don't operate smoothly after adjustment
• Air leaks persist despite locked windows
• Condensation appears between glass panes
• Water leaks during rain
• Hardware fails or breaks
• Seals separate from frame

Maintaining Warranty Validity

According to manufacturer guidance:

• Follow cleaning instructions
• Don't modify or repair windows yourself
• Report issues promptly
• Keep documentation
• Use authorized service if required

The Bottom Line

According to FGIA, well-maintained windows last 20-30+ years. Regular cleaning, periodic inspection, and prompt attention to issues keeps your investment performing. Understand your warranty coverage and keep documentation accessible.

*For complete installation guidance, see: [Window Installation Process](/guides/window-installation-process)*