Timber Frame Flat Roof

On a basic level flat roof construction comes in the form of roofing timbers or joists as they are more commonly known or steels that are laid across two uprights walls in most cases.

Timber frame flat roof.

Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. Ventilated batten void warm roof gable 3 06 timber frame timber flat roof 3 07 timber frame timber flat roof with parapet 3 08 timber frame lintel at window head 3 09 timber frame windows and doors jambs and cills specification within an example should 3 10 timber frame ground. At mbc timber frame we offer passive roof systems which deliver a u value of 0 10w m2k. Call us for more details about passive roof.

A super basic a frame roof will require anywhere between 4 and 8 depending on the size of the rafters with plumb cuts necessary for each angle in the brace. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Timber frame deck now has clear polycarbonate covering roof on the open end. The construction of the flat roof is similar to that of the timber upper floor.

Very simple trusses work on a principle of thirds. For additional stability you can also use steel joists that are built into one or both of the walls. 3 05 timber frame pitched roof. The steels or rsj s rolled steel joists are often built into one or both walls to give added stability to the roof structure.

Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading. As with the cut vaulted roof joists the mbc flat roof system utilise open metal web posi joists which sees parallel timber flanges that are plated together with a engineered steel web component. The flat roof is a roof system that provides an almost level roof configuration in contrast to the many sloped roofs. This will give additional stability to the roof structure.