is blown in cellulose insulation good?
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At 3.5 per inch of material, the R-value of blown-in cellulose is 23% better per inch than fiberglass batts! According to research done at the Oak Ridge National Lab, fiberglass loses up to 50% of its R-value in very cold conditions; making cellulose a better choice for homes in northern climates.
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Cellulose insulation is thick, dense, and clumpy, with a consistency much like down feathers. The chief value of this shape and size is that the insulation can fit in enclosed areas (such as walls) and can conform around obstructions such as wires and ducts (found both in walls and in attics).
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A common mistake made by many is to use polystyrene or Kingspan type insulation in the mistaken belief that these are good soundproofing materials but they are not. ... Adequate loft insulation will help soundproof this area by absorbing some of the noise that comes through the roof.
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Osborn, a former associate editor, replies: The very reason why plastic peanuts work well as packing makes them a bad choice for wall insulation. Plastic peanuts hold air that helps cushion whatever is being shipped. ... Moisture passing through the walls could make your insulation dissolve over time.
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Cellulose Insulation Cost Blown-in cellulose is often more expensive than fiberglass and costs about $1.20 per square foot. The cellulose insulation cost per bag is typically around $30 to $40. It is made with recycled materials like newspaper and cardboard. The higher the R-value, the more you'll pay for each project.
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If you need to use a glove, to protect components from skin oils and salts, then wear plain cotton. The cellulose fibre they are made from retains some level of moisture (there's no magic to being 'natural') which renders them slightly conductive, sufficiently so for ESD protection purposes.
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Straw and Hay makes a great insulator because it is full of air pockets, air being a great thermal break that does not allow heat to be transferred to sensitive areas like inside barns where animals are living. ... By also adding an extra layer of insulation the heating that is put into the barn stays inside longer.
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Every inch of the metal surface of the dryer vent must be protected in order for the insulation to do its job. ... If your vent runs through a duct compartment, you can fill the entire compartment with fiberglass insulation, so long as the pipe is completely covered.
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Insulation: Plywood has high thermal and sound insulation. This makes it a useful insulating material for flooring, ceilings, roofing, and wall cladding. Insulation offered by plywood can greatly reduce heating and cooling costs.
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The thermal properties of cardboard make it a good insulator because it is a comparatively poor heat conductor. ... Additionally, the common person may use cardboard as an insulator to keep the relative heat inside a structure such as a home or car.
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Sealing your ductwork pays for itself in a short time. At Cool Blew, our air duct sealing can save up to 30% off your home's energy bill. By sealing up leaks and creases, you save energy consumption and keep your home more comfortable. Your AC system won't have to work as hard, either.
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For attics, cellulose insulation is blown in parallel to the joists. ... The cellulose is blown into the attic or walls through long, flexible tubes that run from the blower to an application nozzle. The cellulose is allowed to fill the cavities or blanket existing insulation.
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Sure! PB blaster is good stuff and won't harm combustion if a little extra gets in there.
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Rigid-foam insulation is a more effective air barrier than batts or blown-in insulation, especially if the seams between sheets are carefully sealed with caulk, canned spray foam, or tape. Rigid foam is routinely used to insulate the interior or exterior of foundation walls.
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The supply vents should blow on the outside walls. In the summer, the cool air your AC is producing blows on the outside wall and absorbs heat as it comes into the house.
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Only water-based acrylic or latex paint should be used on foam insulation, whether you are using the material for crafts or are painting unfinished walls. Avoid any oil-based or other solvent-based paints, these contain chemicals that damage foam.
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Thatch is also a natural insulator, and air pockets within straw thatch insulate a building in both warm and cold weather. A thatched roof ensures that a building is cool in summer and warm in winter. Thatch also has very good resistance to wind damage when applied correctly.