window prep repair glazing & Painting stain westchester ny
Here’s a clear, professional step-by-step guide for window repair: replacing old glazing, priming, and painting—perfect for wood windows.
1. Remove Old Glazing & Paint
- Lay drop cloths and wear safety glasses.
- Use a glazing tool or putty knife to carefully remove loose or cracked glazing. TESTIMONIALS
- Remove old glazing points with pliers.
- Scrape all loose paint down to solid wood.
- If paint is very thick, use a heat gun (low setting) or chemical remover.
⚠️ If the house is pre-1978, test for lead paint.
2. Repair & Prep the Wood
- Inspect window sash for rot or soft wood.
- Remove rotted wood and repair with:
- Wood hardener
- Two-part epoxy filler
- Sand smooth:
- Start with 80–100 grit
- Finish with 120–150 grit
- Clean dust thoroughly.
3. Prime Bare Wood
- Prime all bare wood before reglazing.
- Use:
- Oil-based exterior primer (best for old windows)
- Or high-quality bonding primer
- Allow primer to dry fully (usually 24 hrs).
✔️ This step prevents wood from pulling oil out of the glazing compound.
4. Install New Glazing
- Press new glazing points every 6–8 inches to secure the glass.
- Apply glazing compound evenly.
- Tool at a 45° angle for a clean line.
- Keep glazing just slightly onto the glass.
🕒 Let glazing cure:
- Oil-based glazing: 7–14 days minimum
- Follow manufacturer instructions
5. Final Prime Over Glazing
- Once skin forms, apply primer over glazing and wood.
- Overlap primer 1/16 inch onto the glass to seal out moisture.
6. Paint Window
- Use exterior acrylic or oil-based paint.
- Apply 2 thin coats.
- Lightly sand between coats for a smooth finish.
Pro Tips
✔ Always prime before and after glazing
✔ Never paint glazing too soon—it will crack westchesterpainters.net
✔ Keep paint slightly onto the glass for a watertight seal
✔ Work in dry weather, 50–85°F
