By karriven thomas. pergola design. Published at Tuesday, November 14th, 2017 - 09:10:06 AM.
Causes of Discoloration of Pergola roofs Over time, Pergola roofs may get discoloration due to dirt, fungus, mildew or moisture. 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. Restoration painting necessitates cleaning by paint strippers, bleachers and oxalic acid based solvents to remove stains.
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. Currently the materials that are used for roofing include metals, plastic, fibreglass, polycarbonate, fabric, etc.
Pergolas have been used in dwellings for centuries, classically, to add a shaded walkway, to link pavilions or to allow a sitting area which allows the breeze and sun to filter through. This amazing addition to a home will not only add to comfort, it can be an attractive bonus to the resale value of the home. Any open space around the home may be used as an invitation for a pergola. Over the years, pergola structures have adapted to the area so that there is a large variety in designs. 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.
Plastic and Fibreglass Another variation of roofing for pergolas includes using plastic or fibreglass. The advantage of these options is that they are lightweight and inexpensive. They may also be easily cut to size and allows the light to filter in depending on the colour of the roof. They also protect the pergola from the harsher elements of the weather including the rain and snow. Also, ultraviolet radiation may be reduced when using these two options. Although plastic may not be a green choice, Fibreglass can be manufactured from recycled materials.
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