C1155 Standard Practice for Determining Thermal Resistance of Building Envelope Components from the In-Situ Data has been reapproved, available as C1155-95(2021)

Source: ASTM International…

C1290 Standard Specification for Flexible Fibrous Glass Blanket Insulation Used to Externally Insulate HVAC Ducts has been reapproved, available as C1290-16(2021)

Source: ASTM International…

C1340/C1340M Standard Practice for Estimation of Heat Gain or Loss Through Ceilings Under Attics Containing Radiant Barriers by Use of a Computer Program has been reapproved, available as C1340/C1340M-10(2021)

Source: ASTM International…

C1511 Standard Test Method for Determining the Water Retention (Repellency) Characteristics of Fibrous Glass Insulation (Aircraft Type) has been reapproved, available as C1511-15(2021)

Source: ASTM International…

C1916 Standard Specification for Flexible Protective Jackets Made of Modified Asphalt/Butyl Rubber for Use over Thermal Insulation is a new standard now available. C1916-21

Source: ASTM International…