Traditional Timber Roof Construction Uk

The cross frames include tie beams as they do in box framed construction.

Traditional timber roof construction uk.

However for practical purposes the self builder will still find the span tables in the old. The timbers are often 400mm or so centres and varyin size according to span. It is still the roof material of choice for housebuilders and self builders irrespective of whether they are building in traditional or contemporary styles or whether they are creating pitched or flat roofs. Roof and wall elements are structurally united within each cross frame.

The more timber was needed to build the roof structure to span the space below. Elm sweet chestnut hornbeam and other timbers were also used. Traditional or cut roofs usually comprise a series of sloping timbers rafters fixed to a wall plate at their feet and a ridge board or possibly awall plate at their head. Traditionally roofs were constructed on site using sawn timber typically with all joints simply nailed together.

Floor joists typically strong enough for light storage applications. For solid timber members in floors ceilings and roofs for dwellings and various companies do online calculation software. Creates a strong roof structure with mostly open loft space. If your main interest is in flat roofs then you can learn more by reading flat roof construction part 4.

Timbers were used unseasoned shortly after felling. Trussed roofs are available in fink truss and open or attic truss options detailed below. Green oak and other. 50mm wide by 75mm 100mm or 125mm deep are allcommon.

Most of the steepest pitched roofs in england survive in the east where ironically it is driest. Plentiful oak forests and a rich tradition in timber framed building were significant reasons for this. A pitched or sloping roof has a pitch of at least 15 but often much more. Trussed roofing appeared in the uk in the 1960s and rapidly took over the new housebuilding scene.

Pitched roofs examples of pitched roofs. Roof construction pitched room traditional joinery. There are two basic methods of pitched roof construction. Post and truss below right is by far the most common surviving timber framed building form.

Whilst you can have tiled roofs of 10 15 these are really flat roof construction with a cosmetic covering of tiles. Timber has been the traditional material for building roofs as far back as early saxon times and beyond. A truss roof using factory made trusses which are delivered to site complete and just erected. Complex and bespoke roof designs can be implemented.

This form makes use of the purlin roof. In devon and cornwall rainfall is much higher but there was a. The predominant timber species used for structural purposes in england and this is an immensely strong durable and long grained timber.