Skylights
Custom Skylights
Roof Windows Buying Guide
VELUX Roof Windows bring natural light, fresh air, and wide-open views to upper-floor living spaces like lofts, finished attics, and bonus rooms. This guide will help you understand where and how roof windows work best, and which models fit your goals, layout, and lifestyle.
Download GuideKey Considerations
Benefits
Why choose a roof window?
Roof windows are ideal for creating a livable space under a pitched roof, blending the benefits of a window and a skylight in one integrated design.
Perfect for sloped roofs
Designed to install flush along the slope of your roof.
Fully operable
Open wide for fresh air, ventilation, or roof access.
Improve airflow
Increase ventilation to reduce humidity and boost indoor air quality.
Make rooms feel larger
Natural light and extended sightlines create a more open, inviting feel.
Product Types
What types of roof windows are available?
VELUX offers a range of roof window styles to fit how you live and how you want to use your space. Each type is designed to maximize daylight, airflow, and access in its own unique way.
Placement
Where should you install your Roof Window?
Roof windows are most commonly used in upper-floor spaces where sloped ceilings meet functional living areas. Here are some common placements:
Installation
What factors affect installation?
From roof pitch to room access, understanding a few key factors can help ensure your roof window is installed smoothly and performs as intended.
Roof Pitch
Roof windows are designed for in-reach installation on pitched roofs.
Interior Access
Make sure there’s enough space to reach and operate the window from inside.
Framing Requirements
Some models may require structural modifications or framing kits.
Flashing Kit Compatibility
Ensure proper flashing is used for a watertight, weathertight seal.
Project Costs
What is the estimated cost of a new Roof Window?
Get a clear picture of your project costs by using our project calculator or learn more about the key factors affecting the cost of installation.
Additional Options
What else should you think about?
From sizing and glass to accessories and cost, these additional considerations help ensure your roof window fits your space, style, and needs.
