Pergola / August 27, 2018 / JulietteHughes
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.
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.
Although in earlier times pergolas were constructed using brick and stone pillars modern designs employ weather resistant woods such as western red cedar or coast redwood. Pergola roofs may range from simple flat traditional roof elaborately curved roof pitched roof gabled roof or a gazebo style roof. Roofing materials There is a variety of materials that may be used to roof a pergola. The choice of roofing materials depend on the size shape and style of the structure. The durability and robustness of the construction depends on the materials that are selected for this purpose.