Such features can act as means of access and egress for the fire and rescue service as well as a means of ventilation for the fire. Roof spaces are not generally designed for people, however as mentioned above certain characteristics can indicate a habitable space such as a mansard roof, rooflights within a pitched, trussed roof or dormer windows. Flat roof - This may be as simple as a weatherproofed floor system including steel or timber joists.Monitor roof - These are often of lightweight construction and for the purpose of providing means of additional light to the building through the installation of glazed upstands.Mansard roof - A split pitched roof often indicating a habitable space within the roof,.Pitched roof - Often very similar in appearance to that of a trussed roof within domestic examples, however often constructed from traditional cut timber.Trussed roof - A roof designed using a collection of members and connections that work as a system under a combination of tension and compression.Specific roof design types which are common include: Materials used in roof construction can include timber, steel and sometimes concrete. A roof is a covering to a building to provide protection from one or all of rain, wind, heat and sunlightĪ roof structure can come in a range of shapes and sizes, which can be generally termed pitched (inclined), flat or curved.

Types of roofs uk