Roger Frost

The House Plumbing System

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Bathtubs and lavatories can have overflows installed. These two fixtures are often used without close observation. A person preparing to take a bath will typically turn on the water and leave while the tub is filling up. If left for a long time, the tub water may rise to a height where the overflow will take the excess water to the drain, preventing flooding of the area. Many tubs are capable of supplying water at rates greater than the flow rate of the overflow. With such fixtures, overflowing and flooding may not be prevented.

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Check Your Homes Attic

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There should be an access opening to all attic spaces that exceed 30 square feet and have a vertical height of 30 inches or more. The rough-framed opening should be at least 22 inches by 30 inches. It should be located in a hallway or other readily accessible location. An attic access that is located in a clothes closet is often inaccessible due to permanent shelving installed. There should be headroom that is a minimum of 30 inches above the attic access. In some places “attic” is used more specifically to apply to lofts which have boarded floors and ceilings, and usually windows or skylights, and then “loft” is kept to mean a dark, unboarded roof-space which lacks these features.

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How Your Home Insulation Works

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Heat in your home moves by the following three methods: radiation, conduction and convection. Radiation travels in a straight line in waves of energy. You’ll feel cool in a room that has a cold floor, walls and ceiling. The amount of heat loss from your body in that room depends on the relative temperature of the objects in that room. The colder the floor is (relative to the temperature of your feet), the greater the heat loss from your body will be as you continue to stand there. If the floor, walls and ceiling of that room are relatively warmer than your body temperature, then heat will be radiated to your body from those objects or surfaces.

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Inspecting Your Homes Structure

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In North America, modern house-construction techniques include light-frame construction (in areas with access to supplies of wood) and adobe or sometimes rammed-earth construction (in arid regions with scarce wood-resources). Some areas use brick almost exclusively, and quarried stone has long provided walling. To some extent, aluminum and steel have displaced some traditional building materials. Increasingly popular alternative construction materials include insulating concrete forms (foam forms filled with concrete), structural insulated panels (foam panels faced with oriented strand board or fiber cement), and light-gauge steel framing and heavy-gauge steel framing.

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Heating and Air Conditioning Your Home

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The heat-conveying medium is what carries the heat from the source to the enclosure being heated. The fuel used is a distinguishing characteristic of a heating system. Wood, coal, oil and gas are used to produce heat. Electricity may be considered a fuel, but it can also be the heat-conveying medium. The nature of the heat is also a distinguishing characteristic. For example, it could be steam, or heat produced by combustion. The efficiency and capacity of the heating system can be cited to distinguish one heating system from another.

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Thermal Imaging & Home Inspections

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Thermal imaging cameras detect radiation in the infrared range of the electromagnetic spectrum (roughly 9,000-14,000 nanometers or 9-14 m) and produce images of that radiation, called thermograms. Since infrared radiation is emitted by all objects above absolute zero according to the black body radiation law, thermography makes it possible to see one’s environment with or without visible illumination.

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Insects and Your Home

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Wood is a biological material. If protected from moisture and insect attack, it can last for centuries. When wood is not properly protected, however, it will succumb to biological processes that decompose wood: insects that eat the wood or fungi that cause rot and decay. The most damaging insects that attack structural wood are termites. Their activity results in damage and control costs that exceed $1.5 billion per year nationally. Beetles are the next important group of insects that attack wood, while bees, wasps and ants are third in importance, depending on geographical location. Wood-inhabiting fungi are another group of organisms that occasionally cause problems.

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