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Regret - Various - Factor 3 #8 (Vinyl)

In the equation below, the imperial units are shown on the left and the SI units are shown on the right. Many energy modeling programs and code calculations require U-factors sometimes called U-values of assemblies. The U-factor is the heat transfer coefficient, which simply means that is is a measure of an assembly's capacity to transfer thermal energy across its thickness.

The U-factor of an assembly is the reciprocal of the total R-value of the assembly. The equation is shown below. The R-values for specific assemblies like doors and glazing in the table below are generalizations because they can vary significantly based on special materials that the manufacturer uses. For instance, using argon gas in a double pane insulating glass unit will dramatically improve the R-value.

Consult manufacturer literature for values specific to your project. Any supporting suggestion or comment is appreciated.

January 12, at This is because impact energy hitting your tile floor with no underlayment to absorb it will find a pathway up your walls and into HVAC ductwork and eventually disturb occupants on the floors above you. September 29, at We are on the first floor of a 2 storey commercial strata unit and the office above ours has either laminate or hardwood installed directly over the concrete floors and no underlay on the carpeted stairs. We hear noise all day long, particularly as most of the staff are women wearing heels.

I want to offer to have underlay installed under their floors but want to ensure that this will sufficiently effective before offering to pay for this myself. We own our individual units and will be here long-term so it would be worth it to me to pay now for ongoing comfort.

October 4, at Sorry to hear about all the noise! The biggest issue is that you are not able to just pull up a floor, install underlay then re-install the floor. The entire floor would most likely have to be replaced. It may be more cost efficient to look into sound-proofing your ceiling rather than adding underlay to their floors. September 19, at September 22, at I would suggest going with a porcelain tile. It will be much more durable and easy to clean in that area.

Tile will also keep the area much cooler. September 5, at I have an additional question with regard to my solarium question.

Does it matter how much tiled flooring there already is in the condo? Does the percentage of tiled floor to the entire flooring space make a difference? The floor is tiled in two bathrooms, the kitchen, a breakfast nook area, a small hallway in the front of the condo and a closet for coats.

September 4, at This section is very interesting and informative. Would tile be acceptable if an underlay with a rating of IIC 70 were used under it? I am debating between using tiles or hardwood in a solarium in a condo. I was thinking of using tiles since hardwood fades in the sun. However, there is concern that tiles might not be sound proof enough. You sound very well informed. What do you think? September 7, at You can use an underlay with an IIC rating of 70 to help alleviate the sound from transferring to the floor below you.

Tiles will make more noise than hardwood and installation of the underlay is much easier with hardwood. In regards to your second question, the amount of tile you have will not make a difference with the sound. It is just the actual material. July 29, at I live in a high rise condo and wish to replace my carpet with porcelain tile that looks like hardwood.

The tile store says I do not require a sub floor as they can lay directly onto the concrete and also that I do not need sound suppression as the tile is so solid that no sound would travel to the lower floors. Do you agree? August 2, at This is definitely not correct, you will need some sort of underlayment beneath the tile to help with sound absorption.

You should also check with your apartment building guides because they usually have a certain sound rating you will need to adhere to for the apartment beneath you.

July 28, at Hello, I am working on a 30 -story condo building where the customer wants a final polished concrete floor no wood laminate or carpet simply a polished concrete floor. After leveling the floor can I put some sort of sound barrier in between the level floor and the layer of polished concrete?

Unfortunately we have not worked with poured polished concrete with an underlay before. You may be able to find something, there are quite a few apartments with polished concrete and most apartment buildings do have a specific sound barrier needed. I would suggest getting in touch with other contractors or installers who have used polished concrete to see if they have experience with a sound-dampening underlay.

July 24, at The family room houses my hi end stereo system. I am concerned about how the stereo will sound with this flooring vs. COREtec flooring is a locking luxury vinyl flooring with a cork layer on the bottom of it. The cork layer should help to deaden the room. I am trying to eliminate beaming and echoing of sound from the stereo. Thanks for your comments. July 26, at The room will definitely be louder with the vinyl versus the carpet.

Unfortunately the cork on the bottom may not work as you would like it to, that is more to add a cushion to protect the planks from the subfloor. You would want to go with an actual cork floor to help with that. Please let us know if there is anything else we can help out with! June 23, at June 29, at I would suggest checking with local contractors and installers to see if they have an idea of where to source it. June 15, at We currently have timber boards throughout our house upstairs.

We have a unit underneath and were hoping to reduce the low frequency sounds of people walking upstairs on the boards. What would your advice be on the best option for us please? We have been given differing opinions from every local company we have asked. Thanks for your time!

June 16, at Other than carpet, the best option to use in this case would be cork. Cork has sound reduction properties in the actual cork material so it will be the quietest.

You can also look at using laminate or luxury vinyl plank and just add an underlay that has sound-dampening properties. I have included links below to our cork, laminate and vinyl flooring as well as a couple underlay options that offer sound-dampening. June 14, at The newly passed bylaws require soundproof ratings for both the underlay AND the flooring material itself. But somehow our strata is convinced that there are soundproofing specifications of the flooring material.

Thank you so much for your help!! Check with the MatWeb. Supplemental information provided by website visitor James S. Wangsness, Electromagnetic Fields, 2nd Ed. The sixth equation given on the web page is correct. Initial R of 7. The use of this R-valuye is highly questionable since wood shingle roofs do not block air flow whatsoever. Fire safety: may not be left exposed in living area; on aging, leaves significant air bypass leaks at shrinkage points. Vacuum insulated panels VIPs are rigid, air-tight hollow-core panels from which air has been evacuated.

An internal support is needed to keep the panel walls from collapsing when evacuated. The effectiveness as a vacuum insulating panel will also vary by panel thickness e. I calculate insulation resistance to heat loss or "R" percentage improvement always as relative to the original number.

Watch out : in my opinion increasing R-value to reduce the rate of heat loss in a roof is entirely and only theoretical. The actual change in rate of heat loss through the roof will be most-likely a lower percentage as heat loss is affected by. The heat loss by conduction to the building exterior is not a fixed rate. Rather the heat loss rate increases exponentially as the temperature difference between indoors and outdoors increases.

The greater the temperature difference across the roof the greater the rate of heat loss. Higher temperatures indoors OR lower temperatures outdoors increase the rate heat loss through conduction. U-values measure the thermal transmittance of heat in or out of a building and combines heat movement by all principles that are occurring at a building: radiation, convection, and conduction. So you can see that "U" values are more complex but really more complete than "R" values.

The most-insulated roof structure I've built combined insulation of the space between rafters with a layer of high-R foil-faced foam board on the underside of the rafters. This latter detail reduce the conduction losses and also allowed us to assure that there was no air leakage into the roof cavity this was a cathedral ceiling roof.

It is helpful to understand R-value, K-value, and U-value as various ways of describing heat loss or gain. R values and heat loss: The "R" value of a material is its resistance to heat flow through the material. When buying various insulation materials you will almost always see an "R" value quoted for the material.

In general, higher "R" means more resistance to heat loss and therefore lower heating or cooling bills for the building. Mathematically, "R" is simply the reciprocal of the two measures discussed in more detail below:. U - the measure of heat transfer the ability of a substance to conduct heat discussed above and also at "U". U-value measures the ability to transfer heat, an inverse condition, to heat movement resistance, or in other words, or U-value measures the ability of a substance to allow the transfer of heat.

Bottom line: find and fix un-wanted air leaks from the occupied space into the attic or into the roof cavity. So you can actually calculate "U" for your specific roof, but with the warnings I gave that this is still only theoretical since the true heat loss or gain is affected by air leaks and other factors. We need to add up all of the wall components and of course we're ignoring any effects of air leakage.

1. Identify five attributes affecting window U-Factor. 2. Employ at least three design options to improve window U-Factor. 3. Differentiate between NFRC and AAMA testing and certification processes. 4. Draft non-defective specification requirements for U-Factor. 5. Recognize other important energy related window design factors and theMissing: Regret.

8 thoughts on “Regret - Various - Factor 3 #8 (Vinyl)”

  1. Feshicage says:
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  2. Samusida says:
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    View credits, reviews, tracks and shop for the Vinyl release of No Regrets on Discogs/5(5).
  4. Kajishakar says:
    Plywood 3/8" R [30] Plywood 1/2" R [30] Plywood 5/8" R [30] Phenolic Foam Insulation R-Values: Phenolic foam spray insulation: - 7 Phenolic foam insulation. Phenolic rigid panel. - 4 - 5 Corrosion problems when in contact with steel roofing & moisture; very good air bypass leak sealing propertiesMissing: Regret.
  5. Faukasa says:
    Wall insulation without a metal backing has a minor loss, a fraction of a dB. Metal backed insulation, metal siding, awnings, doors. screens, air ducts, and water pipes will block / reflect a signal. An outside wall with vinyl siding, or an inside wall, will have a loss of about 6 dB or more, A brick wall loss is about 8 dB or more. Signal LossMissing: Regret.
  6. Zulkigar says:
    Clopay garage door R-values depend on the door’s thickness, material and type of insulation, and range from to See each Collection or sell sheet for options. U-Factor Though not used as often as R-value, U-factor is another number you may see when shopping for a garage thefewelfogesvers.tiasabsodersfecsibasournewssuanhahy.cog: Regret.
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    Apr 24,  · 7/8" Properties as variable as the material but almost always has relatively high vapor permeability Polymer-modified stucco Vapor permeability is dependent on paint - with latex paint generally in the perm range; with elastomeric paint highly variable. Wood lap siding (unfinished) 3/8" "35 perms" FS = 69 SD = 35 perms Missing: Regret.
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