29 Jan '18, 2pm

@EfficiencyVT @KingspanIns_US Here's a blogpost about it the insulation:

@EfficiencyVT @KingspanIns_US Here's a blogpost about it the insulation:

“460.5 R-value tests. … R-values given in labels, fact sheets, ads, or other promotional materials must be based on tests done under the methods listed below. They were designed by the American Society of Testing and Materials (ASTM). The test methods are: (a) All types of insulation except aluminum foil must be tested with ASTM C 177-04, “Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus;” ASTM C 518-04, “Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus;” ASTM C 1363-97, “Standard Test Method for the Thermal Performance of Building Assemblies by Means of a Hot Box Apparatus” or ASTM C 1114-00, “Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Thin-Heater Apparatus.” The tests must be ...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/building-s...

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A One-Room Insulation Challenge #ml #feedly

greenbuildingadvisor.com 26 Jan '18, 11am

Any explanation on the "air space" question? by Derek Roff I read Peter Yost's suggestion for leaving a small air space be...