R Value Of 16 Concrete Wall

Concrete block makes a cost effective and structurally sound wall but it has.

R value of 16 concrete wall.

Choose this option for areas that need a good amount of strength and water resistance. The higher the r value the better the thermal performance of the insulation. R values of uninsulated concrete. Concrete block wall with air in cavities r 2 0.

Concrete block wall with perlite in cavities r 2 9. The reason that it is important to make a good estimate for the current r value for uninsulated spaces is that small changes in r values result in large changes in heat loss when the total r value is low. This material offers the highest r values about r 6 to 6 5. Concrete homes magazine web search 5 18 2010 r value for concrete glass other materials wikipedia web search 5 18 2010 citing ristinen robert a and jack j.

For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. A wall s thermal resistance or its r value is its ability to slow the transfer of heat from one side to the other. By doubling the thickness of the wall to 16 inches the r value only increases by 0 50. R inch r thick ness insulation materials fiberglass batt 3 14 fiberglass blown attic 2 20 1 fiberglass blown wall 3 20 rock wool batt 3 14 rock wool blown attic 3 10 rock wool blown wall 3 03 cellulose blown attic 3 13 cellulose blown wall 3 70 vermiculite 2 13 air entrained concrete 3 90 urea terpolymer foam 4 48.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. It provides about r 5 per inch. Therefore the doe s value is on the high end of the r value of a log wall. Energy and the environment.

It provides r values that range from 3 6 to 4 2 per inch. R value is a measure of insulation s ability to resist heat traveling through it. Insulation level are specified by r value. Type of building section r value wood frame walls 3 plus r value of the insulation used floors above unheated spaces 2 plus r value of the insulation used ceilings 1 1 2 plus r value of the insulation single glazed windows 0 88 double glazed windows 1 67 doors with glass use r value of the glass for the entire door.

As we said before the r value measures the thermal resistance of a material. Some products have reinforced facing to make them sturdier.