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Fire Considerations when Designing Roofing Systems

By Shania Fargo Subscribe to RSS | February 8th 2012 | Views:
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Fire safety is an important aspect in designing structures. The roof has a significant role played to provide this aspect. While most fire cases make some buildings irrecoverable, mild cases may leave only minor damage that can be remedied by simple remodeling. If the roof is fireproof or can hold even severe fire without obtaining serious damage, the chance of reducing remodeling tasks and expenses is high. Various factors are considered when designing roofing systems as an essential element in the fire safety aspect of structures.

Some roofing materials are apparently combustible. Considering fire safety, homebuilders try to avoid wooden roof. Although it provides exceptional finish and highly efficient insulation, wooden roof is very easy to burn. Before other structural components are burned, the roof has already turned to ashes. The flare wood that volume can create is even too dangerous for adjacent structures. Other roofing materials can be used instead.

The underlayment of roofing systems are also important elements to match with the fire safety standards being observed. Before fire reaches the roofing materials, it will crawl through the decking and the trusses first (for pitched roof). Roofing experts in states like Michigan prefer steel trusses with high thermal coefficient to wooden tiles. To remedy its disadvantage of absorbing heat faster when compared to aesthetic wooden trusses, insulation can be added to the decking. Carefully choose the type of metal to use, make sure that it does not easily melt down and compromise the stability of the entire support system of the roofing.

Despite the non-combustible properties of some roofing materials, other agents like paint or varnish directly applied on them can also cause fire. Some, after years of exposure to sunlight, may even have decreased thermal efficiency. Roofing Michigan companies recommend the use of fire retardant to suppress fire from lasting or spreading. Fire retardant can be in the form of gel or mastic substances than can be applied by brushing or spraying just like paint.

Although roofing materials like slate and tiles are not flammable, substances that hold their pieces together can easily weaken with fire. This is the reason firefighters are trained not to step on tile roof during operation as it is prone to immediate concavity or total collapse. Homebuilders can choose other materials for roofing Michigan houses that can stand heat without severely affecting structural integrity.

Everything else below supports the roof. The walls of siding Michigan houses have—even if it looks more like a load to the entire structure—balance the columns and beams that catch the roof. If it is damaged by fire, the roof stability will be affected. Therefore, fireproof siding is best selected.

Shania Fargo - About Author:
For more details, please search Roofing Michigan and siding Michigan in Google.

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