The job of an upstand sometimes referred to as a kerb is to lift the glass element of your rooflight off of the roof s surface and is required by building regulations for safety and weathering.
How to construct a flat roof with a roof lantern.
There are several methods and materials for the design of the exterior surface of a warm or cold flat roof.
You could for example combine three modules of 3000mm x 1000mm which equals 9 square meter of clear sky view.
Vario by velux offers a modular flat roof solution called the unlimited rooflight.
Roof lanterns are a great way of bringing natural light into a room where wall space may be limited.
Cutting the opening requires drilling a hole in the roof and cutting the opening with a circular saw.
Roof lanterns are an alternative to flat glass rooflights the glass is angled to a pitch creating two triangular end pieces and two trapezoidal long sides which create the distinctive roof lantern shape.
If you are adding a skylight to a flat roof you must decide on whether to construct your own upstand or purchase one from your rooflight supplier.
Make sure it s lying horizontally across the exposed rafters and that the edges are flush with the edges of the end rafters.
If you are installing a new roof lantern you will need to cut the roof as required.
This solution allows you to combine as many modules of up to 4 square metres as you want which equals most lantern sizes.
Old asbestos roofs are often replaced with flat roofs.
For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow.
The advantage of this market leading technology.
Put down your first sheet of plywood at the corner of one end of the roof.
Sizes of joists needed for flat roof construction.
So any timber joists that are used need to be strong enough to support this weight.
Whether you are wanting to flood a room with natural light or star gaze on clear night from the comfort of your sofa a roof lantern would be the perfect addition to any single story extension or bungalow with a flat roof.
Cut back the roofing.
The 3 most common materials used for flat roof construction.
Hot tar and gravel.
How to install a roof lantern on a flat roof.
If you are replacing a roof lantern you ll need to remove the old one.
Adding a roof lantern and flooding a room with natural light can be a great way to make a room feel more spacious.
All our roof lanterns shown on this website are designed to be fixed onto a kerb like detail which rises proud of the supporting flat roof assembly precisely at the open edge of the lantern aperture.
This kerb is called an upstand the outside face of which allows the flat roofs external surfacing to lap up and form a weather tight junction.
Cut and frame the opening.
Whether fitted as part of an orangery over a kitchen extension stairwell garden room or another application a prestige roof lantern will help to make any space brighter and more open.
