Glass Block R Value
We carry a large selection of glass blocks for multiple construction applications.
Glass block r value. Click here to go to our calculator to understand the real r value of a ceiling system or wall system with gaps in the insulation. Individual blocks or pre fabricated units. The differences between the shading coefficient of glass block and flat sheet glass is also significant. The following table is in metric form.
The r value for the premiere glass block is 1 96 which is equivalent to a double pane thermal window. Glass block windows offer thermal insulation values that are similar to double pane windows but the cement mortar that holds them in place performs a better job of blocking air infiltration than traditional vinyl or aluminum window frames. R values of uninsulated concrete. And because glass block windows can be used across a large expanse of exterior wall.
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. 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. Energy and the environment.
Glass block can provide more than double the thermal resistance r value of single glaze 1 8 thick plate glass. For fast installation choose pre fabricated windows or panels. Glass brick has an r value between 1 75 and 1 96 close to that of thermopane windows. Visit us today to select the perfect style of glass block for your job.
There are many websites on the internet which have imperial building material r value numbers but not so many with metric r value numbers. Tables of building material r values. John wiley sons inc 2006. Thinline glass block has a r value of 1 75.
Pittsburgh corning glass block manufactures thinline glass block 3inch has a r value of 1 75.