Posted by admin on July 23, 2010 · Leave a Comment
attic exhaust fans
By: Barrett Hudson
The term radiant barrier refers to a reflective coating that is typically applied to the underside of the roof, there are however several different types and different ways that it can be installed. The two major types are spray on and sheet barriers. Sheet radiant barrier comes in large roles that you then roll out in your attic. This can be laid directly on top of your insulation, nailed to the bottom of the roof, or hung from your rafter supports. This is also the type of radiant barrier that is sometimes used underneath shingles. In new construction or re-roofing projects you can roll out sheet radiant barrier on top of the roof but under the shingles.
The second kind of radiant barrier is spray on, which is sprayed onto the underside of the roof like paint. This has the advantage of being more durable and easier to install correctly. It is in fact a paint mixed with metal flecking that provides the reflective property required to reflect the heat. Another advantage of spray on barriers is that they are easier to get total coverage with as compared to the sheets. However, there is one drawback to spray on radiant barriers, they do not provide quite as much heat shielding as properly installed sheets can. However, many experts feel that you will see just a much benefit from spray on radiant barrier due to its greater durability and ease of installation over the entire surface of the roof.
Both of these radiant barriers function on the same basic principle. Reflecting heat away from your house will keep heat away from your insulation, which in turn will lower the amount of thermal radiation that passes through your insulation and makes your house warmer. Radiant barrier is primarily designed to keep heat out and does not show significant benefits in reducing heating costs for people living in cold climates. That being said, it can make a major difference on roofs in southern states and dramatically decrease your cooling bills. The reflective metal in the barrier will prevent the heat on the outside of your roof from the sun turning your attic into an oven. No amount of insulation can totally prevent heat transfer, and the higher the temperature difference the more heat transfer their will be. So by decreasing the temperature in your attic you make it easier for your insulation to do its job and keep the cold air in and the hot air out.
Many people feel that if there house has adequate insulation they either do not need, or won’t see much benefit from, installing a radiant barrier in their house. This is not true primarily because radiant barriers and traditional insulation function very differently in how they keep your house warm. Radiant barrier prevents the transmission of heat radiation into the air around it, it stops heat that is radiating into your attic space from outside. Traditional insulation on the other hand primarily serves to trap air, thus preventing heat transfers due to air movement known as convection. So even if you have adequate traditional insulation preventing convection warming of your house from your attic, you can still benefit from adding a radiant barrier to prevent heat radiating into your house from outside.
About the Author
Barret Hudson is a representative of Green Collar Operations. We are an Austin company that helps homeowners dramatically reduce their utility bills through home weatherization. More information at www.greencollaroperations.com
Filed under Attic Insulation · Tagged with Barrett, Basic Principle, Cold Climates, Different Ways, Drawback, Durability, Insulation, New Construction, Paint, Radiant Barrier, Radiant Barriers, Rafter, Reflective Coating, Reflective Property, Roofing Projects, Roofs, Several Different Types, Shingles, Southern States, Thermal Radiation
Posted by admin on July 18, 2010 · Leave a Comment
attic exhaust fans
By:fusion insulation
Hundreds of home owners all across Europe love E:zero E500 open cell foam. The benefits of this foam for attic insulation are astounding. Open cell foam currently has the majority of market share in Ireland, due to its compelling competitive advantages over the Closed Cell, but more material intensive alternatives. E500 is also renowned for its excellent U values and thermal resistance properties. Equally impressive is its stellar performance when it comes to spraying in cold weather.
E500 has added another accreditation to its long list of certifications. E500 just passed the SBI EN 13823 burn test at Warrington Fire with flying colours. The result is the best possible result for a combustible material. This means E: zero E500 now comes with European Technical Approval (ETA) valid for the entire EU, in addition to its having passed the U.S. E84 test and being REACH compliant. In reality what these tests mean to the consumer is that this open cell foam is effectively self extinguishing thus providing the customer with added peace of mind when it comes to assessing fire risk. If you are using open cell foam for cavity insulation then you will be surprised at the difference in heat retention.
Unlike most other open cell foams in Europe, E500 is made in Europe under strict ISO 9001 quality standards. Fusion Insulation of Ireland has been instrumental in promoting the benefits of Open Cell foam across Ireland as an economical yet high performing insulation system. The great benefit of Open cell foam is that it allows timberwork and structural timber to breathe. Many homes and buildings operate a ‘vented’ attic and cavity wall method of construction and home owners and building engineers are often keen to preserve the ‘breathability’ of these vented cavities. The benefits of an open cell foam means that while draughts are prevented, any condensation and water droplets that appear can steadily evaporate through the foam.
With E500 now achieving its Fire Classification, it opens the way for more people across Europe to experience the wonderful benefits of spray foam insulation
About the Author
Fusion Insulation provides cavity Insulation and attic insulation supplied by E:zero and using E500 Open cell foam
Filed under Attic Insulation · Tagged with Added Peace, Attic Insulation, Building Engineers, Cavity Insulation, Cavity Wall, Cell Foams, Cold Weather, Combustible Material, E84, Fire Risk, Heat Retention, Insulation System, Open Cell Foam, Resistance Properties, Spray Foam, Strict Iso, Structural Timber, Technical Approval, Thermal Resistance, Water Droplets
Posted by admin on July 10, 2010 · Leave a Comment
attic exhaust fans
shirishg2000 :
There are many kinds of ceiling insulation you could choose from, the main ones being the fiberglass or rock wool batt insulation and the blown insulation. There is also the more expensive residential foam insulation which is not very desirable due to its many side effects. The most simple and easy way to have your ceiling insulated is to go in for the fiberglass batt insulation. The ease associated with this form of ceiling insulation allows you to do it on your own without hiring outside help. It is also the most effective form of insulation available that gives optimum results and helps keep the temperature intact within the house but is also very expensive.
This form of insulation is very effect in preventing heat loss and helps keep the room warm with ease. This is an expensive form of ceiling insulation though and would mount up your costs. If you are taking up the insulation by yourself you have to ensure that you don’t close up any open vents and the installation is solid and tight without leaving any gaps in between.
A durable and long lasting method of ceiling insulation is the foam insulation method which is expensive but a better option than running up huge energy bills. The installation is effective enough to give you back value on your investment in the long run. This expanding insulation covers up. The foam insulation is expanding and covers almost any area that is susceptible to heat loss by spreading to it. It can be done simply by spraying it on and is a faster method of insulation. This kind of insulation however would not be recommended for homes that lack ventilation as it tends to collect damp. The other option available, which is also less expensive is having your ceiling insulated with a fiberglass blown insulation which albeit comparatively less efficient is also a much better option than having a non-insulated ceiling.
Having ceiling insulation is not a way of decorating or improving its aesthetics but an essential ingredient that hikes up the comfort levels in your home. It is essential to have the ceiling insulated to prevent heat dissipation in cold weather so as to keep the inside of the house warm and cozy.
A good ceiling insulator helps keep the interior of the house warm in cold climates and cool in hot weather conditions. The most advantageous aspect however is the energy saving that they contribute to. It is one of the best ways that you could contribute to your share in environmental protection and the energy crisis. In order to make sure that your ceiling is properly insulated and provides maximum benefits, you can go in for a number of different insulating options.
Having an insulated ceiling helps keep the inside of your house warm in cold weather conditions and cool in the summer. The most obvious benefit is of course the cutting down on electricity bills and the energy saving that you would achieve by doing so. It would also mean that you contribute in a small measure towards alleviating the energy crisis and also help towards environmental protection. There are numerous ways of insulating your ceiling properly and deriving optimum benefits from it.
Usually the hot air that is generated indoors rises up to the ceiling and tries to sneak outside and can be prevented from doing so by having your ceiling insulated properly. This prevents the warm air from dissipating the heat it has accumulated and thereby helps retain the temperature levels within the house.
It is advisable to have the blown ceiling insulation installed with the help of an expert rather than doing it yourself. Even then the costs work out to be less than having a fiberglass batt insulation that you can install on your own. To gain more effectiveness you could have a double layered insulation using the blown system. You could either use fiberglass, cellulose or Rockwool to insulate your ceiling, all of which work equally well.
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Filed under Ceiling insulation · Tagged with Aesthetics, Ceiling insulation, Energy Bills, Fiberglass Batt Insulation, Fiberglass Blown Insulation, Fiberglass Insulation, Foam insulation, Gaps, Heat Loss, Insulation Foam, Insulation Method, Optimum Results, Rock Wool, Ventilation, Wool Insulation
Posted by admin on June 17, 2010 · Leave a Comment
attic exhaust fans
By Nazimabee Woozeer
Using cellulose insulation in your house may seem like a high risk decision concerning the fact that there are numerous complaints that cellulose insulation lead to fires. Well, there is a huge controversy on this point.
On one hand, it is indicated that cellulose insulation is made out of recycled newspaper, which is not fire retardant. On the other hand, the supporters point out that cellulose insulation is manufactured by processing the recycled newspapers and chemically treating it to make sure that it is fire retardant.
There are many builders and experts who advise use of this insulation material in spaces where there is very little heat but are not keen on using this insulating material where electrical wires and other electrical or heat generating devices are present.
If you purchase good quality and properly processed cellulose insulation, you can be rest assured that your house shall be completely fire retardant. On the other hand, if you go in for poor quality insulating material which has not been processed properly, chances of fire will increase.
There are numerous instances where people have suffered long term losses because they tried to cut costs and go in for inferior quality insulation. There is no point in blaming the quality of material if you are not interested in securing good value for money.
Another advantage of using cellulose insulation is that it does not lead to any health problems. Fiberglass is often touted as a wonderful alternative to cellulose because it is completely fire retardant and very easy to install. However, there are numerous concerns that it is a carcinogenic substance which may lead to cancer.
Irrespective of whether you use fiberglass or cellulose insulation, you must keep in mind that blowing the insulating material into the wall is always going to lead to complications at a later date.
Once the insulating material settles, it may create gaps and leaks for heat to pass. This problem is common whenever the blow method is used. The best way to overcome this problem is to carry out the work in phases or to make sure each and every nook and corner is completely insulated.
Hence, there is no risk in using cellulose insulation provided you are prepared to put in some hard work and effort and identify the best options available. If you make the mistake of choosing the cheapest one just because it suits your purpose, you may end up with a severe fire risk at a later date.For more information on Best Insulation and Fireproof Insulation please visit our website:
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Filed under Cellulose Insulation · Tagged with Cancer, Carcinogenic Substance, Cellulose Insulation, Controversy, Electrical Wires, Fiberglass Insulation, Fire Retardant, Fires, Health Problems, High Risk, Instances, Insulating Material, Insulation Material, Lead, Losses, Poor Quality, Quality Insulation, Recycled Newspapers, Rest Assured That, Risk Decision
Posted by admin on June 4, 2010 · Leave a Comment
attic exhaust fans
Sheep Wool Insulation
SheepWool Insulation offers a safe, natural, healthy and environmentally friendly acoustic and thermal building insulation alternative, made from pure new …
Nu-Wool :: Premium Cellulose Insulation :: Home Page
Established in 1949, Nu-Wool is a leading manufacturer of eco- friendly cellulose insulation. Superior in its performance, green in its manufacturing, …
Wool insulation – Wikipedia, the free encyclopedia
Wool insulation is made from sheep wool that is mechanically bonded together using up to 40% polyester to form insulating batts and ropes. …
Wool Insulation Sheep Wool Insulation Shepherd Wool Insulation …
Good Shepherd Wool Insulation is your source for Wool Insulation Products. Wool Insulation, Sheep Wool Insulation, and Shepherd Wool Insulation are great …
Sheep Wool Insulation
Fri, 23 Jul 2010 07:02:00 GMT
SheepWool Insulation offers a safe, natural, healthy and environmentally friendly acoustic and thermal building insulation alternative, made from pure new sheep’s wool.
Wool insulation – Wikipedia, the free encyclopedia
Sun, 25 Jul 2010 22:52:00 GMT
Wool insulation is made from sheep wool that is mechanically bonded together using up to 40% polyester to form insulating batts and ropes. Batts are commonly used in timber-frame …
Rock Wool Manufacturing Company, DELTA insulation
Sun, 25 Jul 2010 12:50:00 GMT
Manufacturer of DELTA insulation for Industrial, Marine, Commercial and Pipe Products
Wool Insulation Sheep Wool Insulation Shepherd Wool …
Good Shepherd Wool Insulation is your source for Wool Insulation Products. Wool Insulation, Sheep Wool Insulation, and Shepherd Wool Insulation are …
Natural Insulation – Northwest Natural Insulation
Bulk pricing discounts available. Sheep’s Wool Insulation is ultra-sustainable, and performs better and lasts longer than comparable man-made products. …
FAQ’s About Mineral Wool (Rock and Slag Wool) Insulation
What are the major uses for rock and slag wool insulations? … Rock and slag wool insulation products play a significant energy-savings role by …
