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Barriers are a helpful means of combating subterranean termites. While these obstacles are often most effective if installed during construction, they may also be added to existing structures. It must be noted that barriers work best when part of a deterrent system and not on their own.
There are many varieties of barrier you can pick from in addition to using chemicals like Termidor. Note that these obstacles are only deterrents and do not actually kill termites.
Particle barriers, such as sand and basalt, are best utilized in climates where the underlying land does not readily expand with moisture. They also cannot be mixed with dirt during construction. By mixing dirt or dust during construction into a particle barrier, the effectiveness is significantly diminished. Some particle obstacles are installed with Biobarrier, which prevents root invasion. .
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The cost of adding a barrier to your house varies greatly. Some of the factors that affect the cost are:
Basaltic Termite barriers, or BTBs for short, and constructed using basalt, a volcanic stone. The basalt is smashed into particles between one point six and two point five millimeters. This makes the particles too heavy for termites to maneuver while also leaving spaces too small to allow them to squeeze through.
When used in pre-construction, BTBs are added in layers a few inches thick beneath and around the foundation. They may also be installed around existing foundations. Due to the price of transporting basalt, this type of barrier is most common in Hawaii.
These obstacles use plastic sheeting treated with an insect repellent or insecticide to repel termites. They are installed underneath the foundation slab during construction and may involve either one treated coating, or two layers with a coating of termiticide in between.
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Pre-construction options include polythylene sheeting treated with termiticide used to seal the places where water pipes enter the home. The termiticides will last up to 20 years, and the sheets not only work as a barrier, but they also reduce moisture and may even kill some invaders.
Most termites cannot consume vinyl, though Formosans have been known to assault plastic in advice search of food sources.
While not as effective as a chemical barrier, you may put in a sand barrier around your home. This is a trench about four inches deep and 20 inches wide filled with sand that's between 2 and two point eight millimeters in size. Smaller sand collapses when the termites attempt to burrow into it, and larger grains are too heavy to allow them to maneuver. .
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This will deter many sorts of subterranean termite, who prefer loose, damp soil. But, there are some species that prefer sand and will remain a threat. They have shown some effectiveness in reducing the risk of Formosan termites in Hawaii.
It is possible to use a residual treatment on the ground before pouring your foundation slabs. You can also buy chemically-treated insulation and synthetic blocks which will create a lasting barrier. Finally, pre-treating the soil around the outside of your home will help to provide an early defense against termites and other insects. .
These barriers utilize a non-toxic steel mesh with openings between 0.66 and 0.44 millimeters. Termites cannot squeeze or squeeze their way through the barrier, and a variety of shapes are readily available to manage different obstacles, such as water pipes. Mesh barriers might only be offered through select dealers, and at least one brand requires professional installation. .
These obstacles are often difficult and expensive to install, but may prove equally a partial deterrent and early warning system. A termite shield consists of durable metal sheeting assembled to offer no holes or cracks through which a termite may enter.
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Termites will often construct mud tubes around or above a defense in order to find an entry point, allowing you to discover a pending termite invasion if you regularly check for signs of tubing. They are not an effective barrier on their own, and are most effective when installed during construction and in conjunction with other forms of deterrent. .
Unlike other barriers, termite shields are most often built above-ground where the lower masonry wall meets the wooden beams and components that compose the first floor, or on top of a poured foundation.
In case you've already endured from a termite infestation, then you could be facing repairs. A few of these repairs could be simple, but others may need the replacement of structural beams or other significant repairs.