Complete Guide to Retrofit Double Glazing 🪟

Looking to upgrade your existing windows with retrofit double glazing? This comprehensive guide covers everything from costs and benefits to installation process and choosing the right solution.

Quick Summary

  • ✅ Cost-effective alternative to full window replacement
  • ✅ Uses existing window frames
  • ✅ 40% reduction in heat loss
  • ✅ Installation typically takes 1-2 days

What is Retrofit Double Glazing?

Retrofit double glazing involves installing a second pane of glass into your existing window frames, creating an insulating air gap. This method is popular in New Zealand as it's more cost-effective than full window replacement.

Benefits of Retrofit Double Glazing

Cost Benefits

  • 40-60% cheaper than full replacement
  • Reduced heating costs
  • Increased property value

Practical Benefits

  • Less disruption during installation
  • Preserves original window character
  • No building consent required

Installation Process

  1. 1. Initial assessment of existing windows
  2. 2. Measurement and custom manufacturing
  3. 3. Preparation of existing frames
  4. 4. Installation of secondary glazing
  5. 5. Sealing and finishing

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Frequently Asked Questions

What is retrofit double glazing?

Retrofit double glazing involves installing a second pane of glass into existing window frames, creating an insulating air gap.

Is retrofit double glazing worth it?

Yes, retrofit double glazing is a cost-effective way to improve insulation without full window replacement.

How long does retrofit installation take?

Installation typically takes 1-2 days for an average home.