1.1 This test method includes two procedures for measuring the area of voids in the adhesive between materials used in roofing and waterproofing systems. Both procedures require a count of the number of voids.1.2 The values given in SI units are
ASTM
Standard Test Method for Measuring Voids in Roofing and Waterproofing Membranes
STD-56027
1990
2000-01-01
2