By melisa elkins. pergola design. Published at Thursday, November 30th, 2017 - 06:13:21 AM.
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. 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. Traditional pergolas can be transformed into modern style by replacing its roofing with transparent materials. There are several transparent materials which can be used as roofing such as Plexiglas sheets, complete-transparent covers, and glass panels. Plexiglas sheets can be used if you want protection from rain and direct sunlight without heating the sitting area of the pergola.
Metal Roof The advantage of a metal roof is that it can be adjusted to the exact size and shape of the structure. A choice of metals such as copper, aluminium or tin also helps to make an easy decision. Metals not only easy to cut and shape, they also provide excellent protection from the weather conditions. However, they also have some disadvantages such as disallowing light to enter the area or enabling the temperature to get too hot inside the area.
Adding height and interest. Height is desirable, too. A flat garden is restricted in the interest it gives, although height can be achieved through careful placement of trees and plants. A pergola, however, gives a permanent, solid anchor around which to base other design features such as patios, paths, water features and planting. And, of course, the use of climbing plants can be a huge bonus, adding both beauty and fragrance. Pergolas are inviting. We are drawn to them, whether it is to walk through them or relax under their canopy on a warm summer’s day.
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. The choice of materials to cover or roof the pergola depends on the buyer’s 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.
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