The torch roofing system is commonly used in flat roofs and most popularly known as the rubberized asphalt. To create an impermeable roof, the concept of torch-applied roofing system basically involves melting asphalt using a torch. However, to both roofers and the public, torch applications are highly hazardous. High temperatures can possibly start a fire and roofing workers may suffer serious burns from the torch. In the application of this system, most roofers are not insured for the fire hazard that’s involved. Thus, most manufacturers no longer permit direct torch application to wood substrates. But still, roofers readily take on the job albeit the risks involved in its application in view of the overwhelming demand of torch roofing.
The flexibility of applications under various weather conditions highly influences the pervasive demand for torch-applied systems. Torch roofing is a welcome alternative in areas that have below-freezing temperatures since it can be applied under any weather condition. However, several roofing contractors association provide their members with group-funded insurance due to the relatively high figure of incidences of roof fires evidently caused by torching operations. Most insurance carriers refuse to provide insurance for building contractors who are offering torch roofing services that gives contractors more reason to fund insurance.
Since the implementation of the National Torch Safety Program in 2003, torch-related fires have significantly declined. However, the training program still cannot address some risks that may involve. The structural designs which are mostly wood frame constructions in residential and commercial sectors are the bigger issue. Since they are highly susceptible to fire, the nature of materials used in buildings pose particular risks.
in the year 1999, the biggest construction loss occurred in Downsview, Toronto, Canada. After accidentally ignited by a roofing worker’s torch, an entire condominium complex with wood frame construction was practically reduced to ashes. Roofing contractors reject projects that require the use of the torch roofing system because of such devastating events.
Manufacturers have come up with alternatives such as the cold-process roofing applications since the risks associated in this type of application. To hopefully reduce the necessity to the use torch roofing systems manufacturers have introduced self-adhering membranes that are available in the market nowadays. They are still restricted to warm-weather conditions even though there is a demand for this application system. Torch roofing system will still be the prevalently preferred method, as indicated. Hence, in the use of this system, contractors and insurance companies still have concern about the safety and security.
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