Hybrid Flat Roof Construction

Mod bit bur hybrid systems.

Hybrid flat roof construction. If the basic warm roof construction is followed before extra insulation is installed problems can arise. The two classic types of flat roof designs are the warm flat roof and the cold flat roof. We would recommend a condensation risk analysis be carried out on every hybrid flat roof construction to determine the insulation. You may ask why have a flat roof on a building that s a great question.

A hybrid cold flat roof is one where at least 2 3rds of the insulation is above the roof deck or joists. But as daniel bosworth design technical manager at sig design technology explains they should be approached with caution. Imagine a flat roof constructed on timber deck and joists. In this context the term hybrid flat roof refers to a timber flat roof construction that is insulated both between and over the joists.

Hybrid systems include a very small specialized category of low slope commercial roofing systems using a combination of mod bit and bur. In addition there s a third type the warm flat roof with airflow that s essentially a hybrid version of the warm flat roof and the cold flat roof. Hybrid roofscombining elements of both cold and warm flat roof design hybrid roofs appear to offer the best of both worlds when it comes to maximising thermal performance while limiting constructional depth. A warm flat roof is.

Warm flat roofs and cold flat roofs. Traditionally flat roof constructions fall in to two camps. Flat roofs are nothing new. However this is a general guide and could change depending upon the building use location and humidity class.