Even though these methods are not recognized as 100% eradication, advantages are numerous. The most common is damage to roofing materials. Colonies are small relatively anywhere from less than a hundred to a few thousands.Nowadays, several treatments are available. However, drywood termites spread much more quickly and can establish several colonies throughout a structure.Fumigation using Vikane gas (sulfuryl flouride) has been the most widely used for the control of drywood termites. Drywood termites on the other hand live on the wood itself. Food and medicine items have to be taken out of the house or bagged in special Nylofume bags for protection. Two major types of termites are subterranean termites and drywood termites.. Their colonies tend to be large and can have more than a million individuals. Some materials such as wood, latex and rubber can absorb Vikane and continuously release small amounts.Termites cause over 5 Billion dollars worth of damage in the entire nation.Several of these treatments do not use chemicals therefore toxicity is not an issue. Damage to roofing materials is avoided in most cases. tarp, roof covers such as tile, slate or even older composition roof can break or tear. This method is considered as the most efficacious since if done properly, ensures 100% mortality of all drywood termite colonies within structures. Although structures are covered with tarp and warning signs are posted, brave and dumb criminals still courageously break in when the tarp is taken down. These types are localized treatments wherein the treatment is targeting specific colonies. The difference being that subterranean termites have their nest or colonies under ground. There are some reports that Vikane can still dissipate inside structures even after the structure has been cleared for re-entry.Another disadvantage is vandalism and theft. Preparations can be a hassle too. Among the most popular uses microwave devices, high voltage-low current electrical devices, liquid nitrogen, orange oil and other registered pesticides. However, there are drawbacks with this method. Since the fumigators have to step on the roofs carrying a 100 lb. Since these methods are localized, it may be good to have a program that includes follow-up inspections and treatments. And homeowners do not have to leave their homes for several days.Health concerns is one major factor. Plants, shrubs and trees that are close to the roof line or walls have to.
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