Pergola / August 27, 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.
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.
Depending on the type of fabric used these pergolas may avoid the transmission of heat which could cause fading or damages to the roof. A tough and durable fabric that may usually be used in the making of the sails of a boat can also be used to filter ultraviolet rays and other harmful natural elements such as sunlight and heavy rain so that people can enjoy their investment for a long time. Comparative Study of Roofing Materials for a Pergola Permanent structures like metal roofs are difficult to change but they can be repainted. Fibreglass and clean plastic materials may change colour after a period but they can be discarded and new ones can be installed easily.