Standard Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations

One representative roll of insulation is required. Density is calculated from weight and dimensional measurements.

$250 per specimen


Significance and Use

Proper measurements of thickness and density of blanket or batt insulations are essential for determining thermal insulation properties. For a particular batt or blanket product, thickness and density are usually directly related to thermal insulating value.

These test methods are of significant value in manufacturing quality control, to ensure that claimed insulation values of products are maintained.


1. Scope

1.1 These test methods cover the determination of thickness and density of flexible, felted, or woven thermal insulating blankets, rolls, or batts composed of fibrous materials, with or without surface covering or reinforcement.


Copyright Notice

Extracted, with permission, from ASTM C167 Standard Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the standard may be purchased from ASTM International, phone 610-832-9555, e-mail:, website:


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