The type of truss you build will be suited for different weights which may help you determine the exterior materials you use.
Roofs built with wood.
If too much condensation builds up it can cause the wood to rot away especially with an outdoor shed.
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.
Problems can arise if air is allowed to move but not freely.
Until the later 19th century such supporting frameworks were made of wooden beams sometimes in highly complicated systems.
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.
There is an innate and natural affection for curves and arches in architecture.
For arbors gazebos pavilions pergolas and trellises.
A combination roof is quite literally a combination of types of roofs.
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.
This creates the potential for condensation due to the gaps in temperature.
If you choose a sloping roof for the garage paint the walls white and the roof in a darker shade like chocolate brown blue or green.
Garage roofs can be arched sloping or flat depending on your taste and aptitude.
Green roof garage design.