The increase achieved by injecting aminoplast foam insulation is up to 264 greater than is possible with normal weight concrete.
R value of 8 concrete block wall.
Lightweight concrete is ideal for highest thermal performance concrete masonry wall assemblies whole wall r values for.
The schundler company 150 whitman avenue p o.
Box 513 metuchen new jersey 08840 0513.
Depending on the density of the blocks an 8 inch thick block wall without any other type of insulation has a thermal resistance value between r 1 9 and r 2 5.
Add the individual components and then multiply by 11 and divide by 5 per fsec.
The r values u factors listed in this tek were determined by calculation using the code recognized series parallel also called isothermal planes calculation method refs.
To determine the value for all wall.
This is how the dynamic mass wall performs in whole wall lab tests and in the constructed home.
Above grade concrete wall including inside and outside air films r 1 2 for 6 inch r1 4 for 8 inch concrete block wall with air in cavities r 2 0 concrete block wall with perlite in cavities r 2 9.
Cavity wall r values are listed in tek 6 1c r values of multi wythe concrete masonry walls ref.
Walls are much greater than conventional 3 web concrete block walls.