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How much does spray on radiant barrier cost?
Spray on radiant barrier is not only expensive but performs only half as good as rolled radiant barrier. I was going to have my attic sprayed until I went to a seminar on rolled radiant barrier. They showed a video of test done in the same attic with one side sprayed and the other side rolled radiant barrier. They had a digital heat reader on both products and the difference was almost 20 degrees in 5 minutes. So I went online and found some rolled radiant barrier called ECOFOIL from www.ecofoil.com. Easy to install and really keeps my living room cooler.
What is a Radiant Barrier?
A radiant barrier is a thin sheet of highly reflective aluminum comprised of one or more layers (for puncture and tear resistance) that, when installed properly, will block at least 90% of the radiant heat that hits it.Radiant barriers are unaffected by humidity or ambient temperatures, unlike other forms of insulation, and therefore perform at a consistent level at all times.When installed in an attic, a radiant barrier reflective foil insulation products can reduce attic temperatures by up to 30 degrees when installed to the underside of roof rafters. Lowering attic temperatures provides a significant benefit by reducing air conditional loads and energy usage. Attic insulation radiant barriers can also:Reduce heat transfer from attic to living spaces by up to 50%,Extend the life of air conditioning units, andIncrease the comfort level of a home.Radiant Barrier Definition : Per the Department of Energy (DOE), a product classified as a "radiant barrier" must have a low emittance of 10% or less and high reflectance of 90% or more.Emittance (or emissivity), refers to the ability of a material's surface to emit radiant energy. All materials have emissivities ranging from 0% to 100%. The lower the emittance of a material, the lower the heat (infra-red radiant energy) radiated from its surface. Aluminum foil has a very low emittance, which explains its use in reflective insulation and radiant barriers.Reflectance (or reflectivity) refers to the fraction of incoming radiant energy that is reflected from the surface. Reflectivity and emissivity are related and a low emittance is indicative of a highly reflective surface.RadiantGUARD®radiant barrier products BLOCK 97% of the radiant heat - much higher than the DOE minimum reflectance criteria for a radiant barrier product.
Will foil faced foam board over fiberglass help reflect radiant heat?
it will heat both in heating and with keeping cool, we installed it on our garage second floor and didn't use foil faced on one side and there is about a ten degree diffence in the rooms in the summer and same in the winter
Can you put a radiant barrier over an old shingle roof and put new shingles on top?
No. A radiant barrier requires an air space to function properly. If the radiant barrier s sandwiched between two solid objects, then the heat will be able to conduct right through it. If you would like to apply a radiant barrier over your existing roof, one solution would be to use spacers or furring strips over the existing roof and use either a tile or metal roof over the spacers. If you must have asphalt shingles, then the radiant barrier would have to be applied in the attic space. A similar issue came up when people wanted to install a radiant barrier under concrete where it would have any air space. In a letter to a manufacturer, the FTC wrote, "It is well accepted that reflective insulation and radiant barrier products must have an air space adjacent to the reflective material to be effective." I am including a link to this letter below. http:/www.rimainternational.org/pdf/ftc-letter.pdf
Which is not an avantage of radiant heating?
One disadvantage of radiant heating is that it can be more expensive to install compared to traditional heating systems.
How much should it cost to blow in 12 inches of attic insulation and install radiant barrier in a 2000 sq foot one story residence?
Radiant Barrier is fairly cheap if you look online. I did my attic this spring and at that time the cheapest was from www.ecofoil.com at $125.00 / 1000 s.f. I didnt need to add blow in but I think its around $5 for 16 cubic ft.
Which is not an advantage of a radiant heating?
A disadvantage of radiant heating is that they can be expensive to operate. Another disadvantage is that the space that is using radiant heating can become overheated if a thermostat is not used.
How can one install radiant floor?
There are different methods of installing radiant flooring depending on whether you prefer under floor radiant heat or an above floor system. There are many videos on YouTube that can help with your installation either way.
How good is foil faced bubble wrap insulation for insulating your van?
minimal R-value with foil faced bubble wrap, but does cut down on radiant heat alot....BUT you must install it with some dead air space on one side of it. Like put wood slat strips on the ribs with glue/screws then place thin paneling or FRP skin over it with the bub-wrap spray glued onto the metal first. IMHO
Is aluminum foil an energy barrier?
Aluminum foil can act as an energy barrier, but not a very good one. It is not very dense, therefore an electron (energy) can penetrate it. Because it is not very dense the molecules are not very close together it is not very good at passing energy along, which makes it a poor conductor, but it still can pass energy so it is not effective at preventing energy transfer.
Can roll aluminum insulation be installed on top of blown in insulation?
Fiberglass and cellulose insulation work by slowing down heat transfer from one source to another. That's why the thicknesses of those insulation's are crucial for performance. Also, fiberglass and cellulose only resist heat transfer, they don't block or reflect it so it eventually escapes through. Perforated radiant barrier can be installed over top of existing attic insulation to form a reflective cover to enhance your other insulation. When installing radiant barrier over the attic floor you must use the perforated radiant barrier for maximum breathability. Moist air that is created inside your home must be able to escape as it rises through your ceiling. If a perforated radiant barrier is not used, the moisture will be trapped in between the barrier and your ceiling. When trapped this will cause condensation to form inside the building materials and insulation creating damage and mold. - EcoFoil
How do you get 3 Radiant Roxy Rose flowers on Moshi Monsters?
You can not get 3 Radiant Roxy Roses, you can only get one.
