Pergola / October 18, 2018 / JulietteHughes.
So while buying wooden pergolas ask their manufacturers if they are partially notched or fully notched. Buyers should be aware that notching creates interlocking joints and this fortifies the structure. Also notching insures that all your timbers stay straight and true over the decades because they cannot move. Most manufacturers skimp on notching partially or completely to reduce their construction costs and will tell you that hardware will take care of the issue. It does not. If just one of your Pergolas timbers has hidden stresses in it (quite common) as it weathers over the years it will turn twist or sag.
The pergola has evolved from its famous brick and stone posts of 19th and 20th century to modern wood designs of the 21st century. The idea of modern wood design of pergolas is its affordability and increasing popularity in modern garden designs. But because brick and stone are weather resistant hardwoods such as Western Redcedar and Coast Redwood are used instead to match with the pergolas made of brick and stone. As the normal use of a pergola is being an arbor for vines some architects introduced pergolas as a structure made as a protection from rain or direct sunlight.
The choice of materials to cover or roof the pergola depends on the buyers instincts as to the choices for durability permanency and availability. In tropical Australia zinc-galvanized corrugated sheets do not reflect infrared or ultraviolet much. White roofs reflect better. White or soft shades are better colors for a cool roof. As the Earth seeks to get greener the best choice of course is to enjoy traditional open roofed pergolas. Painting your Pergola Anything that is exposed to the harsh elements of nature will eventually need protection. Painting is one of the best ways to provide this protection.
In building this kind of embellishment the roof is very important because it will define what specific type of pergola you are going to build. A Pergola roof is important because it will hold the plant above the ground which is the usual purpose of pergolas. As a permanent architectural piece to a garden pergola designs have evolved throughout the centuries making it more appropriate for gardens and environmental designs. During medieval and renaissance period pergola designs were used by people making curve segments incorporated with green vines. It was usually seen in gardens of Lords living in fortresses.