Pergola / August 28, 2018 / JulietteHughes
Also any iron fittings may rust and cause red stains which may react with other pigments or stains. To prevent this stainless steel nails may be used and a constant vigil kept to encourage the Pergola to stay dry. A commercial mildew remover or other multi-purpose cleaners and help keep the roof spotless. Stains that are caused by the reaction of water deposits on the wood may also be removed by washing it with cleaners. Chalking is another form of discoloration which is caused by weathering of paint or disintegrating of pigment particles which appear as a powder.
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.
While traditional pergolas were intended mainly for beauty and comfort the current designs place more emphasis on providing protection from the harsh elements of nature such as rain and snow and ultra-violet radiation. The design of a pergola depends on the geographical location. Depending on the area the grade or the direction of the sun a pergola may be a gazebo an extension of a building an open terrace or a veranda that has grapevines criss-crossing a latticed roof. One of the most important considerations when designing a pergola is the roofing structure and shape The roof design on a pergola depends on the availability of direct sunlight as well as the geography and natural features of the region.