How to install a skylight on a flat roof?
Installing a skylight on a flat roof is an excellent way to maximize natural light in your home or business. Professional installation is strongly recommended to ensure its waterproofing, durability, and proper functioning.
Why Install a Window (Skylight) on a Flat Roof
For a sun-soaked room, installing a window on a flat roof is an excellent solution and is among the renovations that increase a home’s value.
Bring in More Natural Light
With our harsh and often dark winters, a home that is bathed in sunlight can make all the difference, and for this reason, the installation of a skylight is becoming increasingly popular among Quebecers! After the January blues, you can cozy up in a warm atmosphere while absorbing vitamin D and improving your circadian rhythm.
Reduce Electricity Consumption
Opting for a window on a flat roof means you benefit from maximum natural light, which can help lower your Hydro bill.
Add Style and Value to Your Property
Among the selection criteria for a new property, “a bright home” is often at the top of the list. A skylight is one of the best ways to bring charm, style, and value to your home.
Different Types of Windows for Flat Roofs
Depending on the room’s size, ceiling height, and your home’s style, several skylight options are available.
Fixed Windows
Fixed windows are ideal for very high ceilings that are not easily accessible, as well as for tighter budgets.
Operable Windows
Ventilated skylights are an excellent way to maximize both natural light and ventilation. Additionally, they can help reduce your electricity consumption by assisting in temperature regulation throughout the home.
Tubular Models and Special Designs
Tubular models are perfect for rooms that receive no direct natural light or that do not have windows, such as hallways or bathrooms. These windows are equipped with a reflective tube that directs sunlight into the room. In addition to these models, there are also special designs, like dome or pyramid windows, among others.
Key Steps for Installing a Skylight on a Flat Roof
To maximize all the advantages of a window on a flat roof, two factors are essential: a quality window and professional skylight installation.
Evaluating the Structure and Choosing the Right Location
Only a professional team possesses the expertise necessary to assess whether your roof’s structure can support a skylight, as well as to determine the ideal location according to your needs and the room’s size.
Professional Installation and Perfect Waterproofing
Installing a window on a flat roof requires specific expertise, as waterproofing is critical in this type of project. For this reason, professional installation is highly recommended.
Common Mistakes to Avoid With a Flat Roof Skylight
Installing a window on a flat roof is even more delicate than installing a traditional window. Here are some mistakes to avoid:
Neglecting Insulation and Condensation
Without proper insulation, you risk water infiltration and excess condensation, which can eventually lead to damage. It is essential to insulate between the ceiling and the roof before proceeding with the skylight installation, as well as to choose a quality waterproof membrane that should be installed between the roof junction and the window frame.
Choosing a Poor-Quality Product
A low-quality skylight can cause water leaks, along with other issues, such as overheating in the summer and heat loss in the winter, particularly if the glazing’s insulation is insufficient.
Installing Without the Necessary Expertise
Given the importance of proper installation, it is best to leave it in the hands of experts. Poor installation can lead to leaks, condensation, and thermal bridging, which may result in even more costly interventions.
What is the Price for a Skylight?
The cost of the skylight itself varies according to the product’s quality and size and generally ranges between $500 and $3,000. Installation can range from $2,000 to $6,000, depending on the project’s complexity, which aligns perfectly with the cost for a new roof in 2025.
Having your skylight installed during your roof renovation can help lower these costs while maximizing its waterproofing, as all work is completed simultaneously.
Why Choose Clinique de la Toiture FCA
Our team of experts at Clinique de la Toiture FCA has specialized in flat roofs for nearly 30 years. We have the expertise to execute an installation performed to perfection and to ensure a waterproof, long-lasting result. Do not hesitate to contact us to discuss your projects!
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