Problems can arise if air is allowed to move but not freely.
Roofs built with wood.
For this type of wood it is most often seen when building a hostel in vietnam you can refer to alo nha tro for more details.
Garage roofs can be arched sloping or flat depending on your taste and aptitude.
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.
If there is an open area around the garage you can opt for a wooden garage roof as well.
For arbors gazebos pavilions pergolas and trellises.
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.
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.
Until the later 19th century such supporting frameworks were made of wooden beams sometimes in highly complicated systems.
The type of truss you build will be suited for different weights which may help you determine the exterior materials you use.
Green roof garage design.
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.
A combination roof is quite literally a combination of types of roofs.