• Nationwide deliveryonly £15+vat
  • Click & CollectAvailable
  • Expert Help 0208 8307000
  • Klarna & PayPal Credit available

5% OFF everything: THIS WEEKEND ONLY! Use code SAVE5NOW

The VELUX Group Glazing Guide

The VELUX Group Glazing GuideThe VELUX Group Glazing Guide

VELUX Glazing Options Explained: Find the Right Glass for Your Roof Window

Choosing the right glazing for your VELUX roof window is just as important as choosing the window itself. Whether you want better insulation, noise reduction, or just something easy to clean, there’s a glazing option that’s perfect for your home.

In this guide, we’ll break down the different VELUX glazing types so you can make the right choice with confidence.

Family around a table with roof window aboveFamily around a table with roof window above

Standard Glazing Options

These are the most popular choices for everyday use, offering great performance and value for money.

Glazing 70 - Made for Comfort

Best for: General use, bedrooms, living rooms

2-layer glass with good insulation and protection

Reduces rain noise

Laminated safety glass

UV filter

Toughened outer pane

Great all-round choice at a competitive price

⭐⭐ Glazing 68 - Made for Better Comfort

Best for: Rooms where warmth and insulation are a priority

3-layer glass for extra insulation

All the benefits of Glazing 70, plus better energy efficiency

Keeps rooms warmer in winter

Ideal for loft conversions and bedrooms

Close Up of glazingClose Up of glazing

⭐⭐⭐ Glazing 66 - Made for Well-being

Best for: Homeowners who want peace and quiet

Blocks outside noise

Easy-clean and anti-dew coatings

Minimises condensation on the outside

Better sound insulation than Glazing 68

Perfect for homes near busy roads or with noise concerns

⭐⭐⭐⭐ Glazing 67 - Made for the Best Experience

Best for: Premium builds or energy-efficient homes

Top-performing 3-layer glazing

Combines excellent insulation, soundproofing, and comfort

Helps maintain indoor temperatures and reduce energy bills

VELUX’s best-performing standard glazing

Interior VELUX windowsInterior VELUX windows

Special Glazing Options

These are designed for more specific needs - like added heat protection, noise control, or security.

Glazing 69 - Made for Heat Protection

Best for: Sunny rooms or south-facing roofs

Blocks heat from the sun while letting in light

3-layer glazing with high thermal efficiency

Keeps rooms cooler in summer

Great for sunrooms, extensions, and hot climates

Glazing 62 - Made for Noise Reduction and Comfort

Best for: Homes in loud areas

Up to 42 dB sound insulation

Reduces outdoor noise significantly

Combines noise control with insulation

Ideal if you live near traffic, airports, or train lines

Snow on roof windowSnow on roof window

Glazing 70Q - Made for Extra Security

Best for: Ground floor or low-roof windows

Certified burglary-resistant glazing

Laminated inner pane and toughened outer pane

Prevents forced entry and accidental breakage

Peace of mind for security-conscious homeowners

Glazing 15 - Made for Better Comfort (Low Pitch)

Best for: Low-pitch roof windows (e.g. VELUX GBL)

Similar performance to Glazing 68

Specifically designed for roof windows with a lower pitch

Offers insulation and energy efficiency

Perfect for modern extensions or flat-roof-style pitches

 

Summary Table

Glazing Type Best For Glass Layers Sound Insulation Special Features

70

General comfort 2 35-38 dB UV, safety, toughened
68 Energy efficiency 3 35 dB Extra insulation
66 Noise & easy clean 3 37 dB Anti-dew & noise block
67 Top performance 3 38 dB

Best insulation & noise block

69 Heat protection 3 35 dB Reduces solar heat
62 Maximum sound block 3 42 dB Quietest glazing
70Q Security 2 35 dB Burglary-resistant
15 Low pitch roofs 3 35 dB For GBL / low roof angles

 

Still not sure which glazing to choose?
Our team is here to help you pick the best option based on your space, budget and lifestyle.

Call us on 0208 830 7000
Or email us at sales@sterlingbuild.co.uk

Related Products