Steel and reinforced concrete have for the most part replaced such heavy wooden support systems and such materials moreover have enabled the development of new and dramatic roof forms.
Roofs built with wood.
For pitched roofs the truss the framework can be made of wood or metal and the outside can have wood or asphalt shingles clay or concrete tiles or metal sheeting.
Until the later 19th century such supporting frameworks were made of wooden beams sometimes in highly complicated systems.
Problems can arise if air is allowed to move but not freely.
If there is an open area around the garage you can opt for a wooden garage roof as well.
If too much condensation builds up it can cause the wood to rot away especially with an outdoor shed.
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.
For arbors gazebos pavilions pergolas and trellises.
The type of truss you build will be suited for different weights which may help you determine the exterior materials you use.
This creates the potential for condensation due to the gaps in temperature.
A combination roof is quite literally a combination of types of roofs.
Green roof garage design.
There is an innate and natural affection for curves and arches in architecture.
For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow.