How To Construct A Flat Roof With A Roof Lantern

As with the construction of any type of roofing system it s crucial to understand the correct process and essential criteria involved in flat roofing construction.

How to construct a flat roof with a roof lantern.

So any timber joists that are used need to be strong enough to support this weight. 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. 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. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.

Cut back the roofing. If durability is important to you then a flat roof is just the system for you. Hot tar and gravel. Of course you don t need to live in a modern house to deal with a flat roof.

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. There are several methods and materials for the design of the exterior surface of a warm or cold flat roof. How to install a roof lantern on a flat roof. Flat roofs are durable.

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Cut and frame the opening. If you are replacing a roof lantern you ll need to remove the old one. Sizes of joists needed for flat roof construction.

A flat roof is water resistant so you do not have to worry about water damage. 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. While many will contact a professional installation company to complete the job there are others who will feel confident enough in their own ability to install a flat roof onto the. 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. It is easy to construct a flat roof so you do not have to worry about your contractors running into an issue with the project. Cutting the opening requires drilling a hole in the roof and cutting the opening with a circular saw.