The Advantages And Disadvantages Of Timber And Steel Trusses
A lot of people like to build and mend their own roof trusses and this is because it saves a lot of money. So many kit homes and roofs are available to set up today, there is no reason not to build your own home provided you know how to do a good job and adhere to building codes while doing so.
The part of the roof that supports the walls of the house and sustains the weight of the frame is the truss. The presence of the truss is what prevents walls from bending. It is very important for all buildings but particularly multi storey buildings or houses to have a very strong and durable roof skeleton or truss.
A triangle shape is formed by arranging rafters together. For attaching rafters made of any materials, galvanized metal plates are used. Small houses and building usually have rafters made of timber owing to the reliability and ease of use of timber.
But trusses can also be made of aluminum, steel, or other materials. A lot of factors determine the suitability of materials for building trusses and discussed below are the uses, advantages and disadvantages of timber and steel trusses.
Timber trusses unlike steel ones are usually left uncovered after the building is completed. This is because they look aesthetic while being really strong. Timber trusses are stronger over wider distances than any single beam of the same length made with another material can be because they are very thick.
In some areas, termites are a huge problem and a big threat to homes with wooden rafters. It is also a challenging and expensive affair to manage these pests and in such areas it is best to have steel rafters, which are termite-proof and property saving.
Moisture is another considerable threat to timber trusses because wood expands when it imbibes water. This process hinders with the settling of the rafters and is bad. Moisture does not have this same effect on steel which means that in moist climate it is best to use steel rafters, that don’t have to be settles. Steel is also rot-proof.
Wooden rafters are bound to burn away of wildfires are common. So if you live in such an area, you are better off using fireproof steel rafters even though they aren’t as good looking as wood and have to be covered. Among the drawbacks of steel is its price, which at an average is approximately 20% more expensive than timber rafters. Timber should be your choice if you have good weather and no termites.
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