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Which material has the highest r value stucco pine board concrete or fiber glass insulation?
Fiberglass Insulation, R Value of 3.14. Pine board has an R Value of 1.74
How was duct tape invented?
Meghan R. and Natalie D.
Where did the name r value come from in insulation?
Where does the R value, respiratory quotient or RER come from.
What is the R-value of Normal Weight Concrete per inch of material?
Normal Weight Concrete at 150 pcf has an R value of 1.22 per inch thickness
Why the return duct of AHU is larger than supply duct?
The air is returning at a lower velocity, so you need a larger size duct.
What is the R-value of a 2-inch foam board?
The R-value of a 2-inch foam board is typically around R-10 to R-12.
Which material has the highest r value stucco pine board concrete or fiber glass insulation?
Fiberglass Insulation, R Value of 3.14. Pine board has an R Value of 1.74
What is the R-value of 2-inch foam board?
The R-value of 2-inch foam board is typically around R-10 to R-12, indicating its insulation effectiveness.
What is the r value of drywall?
Drywall provides an R-value of 0.32 for 3/8" board, 0.45 for 1/2" board, 0.56 for 5/8" and 0.83 for 1" board. In addition to increased R-value, thicker drywall has a higher STC.
What is the significance of the R-value of 2 foam board in terms of its insulation properties?
The R-value of 2 for foam board indicates its ability to resist heat flow. A higher R-value means better insulation, so a foam board with an R-value of 2 provides moderate insulation against heat transfer.
Can a humidifier be used with a main trunk line made out of duct board?
No, you should not use a humidifier in a main trunk line that is made out of duct board. This will cause the duct board to rot from the moist.
What r the advantages of side view of the duct?
what r the advantages of side view of duct ? why we plot side view of duct ?
What is the r-value of 2 foam sound board?
I assume you mean 2 inch thick foam sound board??? The answer lies in what type of foam specifically you are speaking of.Polyisocyanurate foam has an rvalue of approx. r-7 per inch,being one of the higher r value foams readily available in 4'x8' sheet size.Polystyrene foam board,commonly found in building centers and home centers,and commonly referred to as "Dow" board has an r value of approx. r-5 per inch.To calculate the 2" thickness you reference,simply double the r value given(r value is generally stated as "r value per inch".Thus ,2" polystyrene has an r value of r-10 (r-5/inch x 2).These are fairly general guidelines,and depending on your application,you may want to find more detailed specifications that speak to degradation of R value over time,properties and characteristics of various foam types,etc,etc.
What is the R-value of posterboard?
The R value of poster board is about 1.3. Really it is about 1.2783 but I assume 1.3 will be close enough. good luck for whatever you need it for!
What is the significance of the r value of foam board in determining its insulation effectiveness?
The r value of foam board is significant in determining its insulation effectiveness because it measures the material's ability to resist heat flow. A higher r value indicates better insulation properties, meaning the foam board can better keep heat from escaping or entering a building, leading to improved energy efficiency.
What is the r-value of a 1' pine board?
The R-value of a 1-inch thick pine board is approximately 1.41. This value can vary slightly depending on the specific species of pine and its moisture content. R-value measures thermal resistance, with higher values indicating better insulating properties. For effective insulation, pine boards are often used in combination with other materials.
What r the advantages of side view of duct in compressible flow?
why we plot side view of a duct?
