Timber Frame Roof Structure

The roof framing is the structure that supports your roof.

Timber frame roof structure.

Many people still think that the roof structures of timber framed buildings look like the upside down hulls of boats. For arbors gazebos pavilions pergolas and trellises a continuous curved arch that forms a timber frame roof for a pergola adds interest as well as drawing the eye upwards giving the perception of a grandeur scaled structure. Above these components is a rack of common rafters. Some of these can support the roof and prevent ridge sagging and wall spreading.

This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Timber framing in america is an art of craftsmanship brought by the settlers in the 1500 s. Depending on your needs we can easily customize any timber frame pavilion to better match your vision for your backyard space. 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 bearing floor insulation above slab 3 11 timber frame ground bearing floor.

Our flex design process makes it easy for you to make structural adjustments including adding additional trusses changing the width and height or modifying the roof pitch. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates. There is a hierarchy of timber framing at work here with trusses supporting the ridge and purlin beams. Timber is by far the most common material for house framing in australia.

Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins. There is an innate and natural affection for curves and arches in architecture. Timber vs metal frames. Shipwrights were the original american timber framers.

The main decision that needs to be made with erecting a roof is which material to use for its construction. Collar ties rafter ties tension beams structural ridge beams. For efficiency in both construction effort and material use timber frame structures are typically erected in boxlike sections called bays consisting of two bents one on each end along with additional frame members that connect the bents and form the structure. Timber framed and historic buildings may be framed with principal rafters or timber roof trusses.