ICS 91.100.50                         CED 5

Reaffirmed 2017

1. Scope

1.1 This standard covers the requirements for four grades of bitumen-mastic for buildings, composed of ground limestone or any other racks, coarse aggregate, limestone dust filler and pigm~nts if required, incorporated with asphaltic bitumen.

1.2 Bitumen-mastic flooring are graded according to usage as follows:

Grade 1 Special flooring

Grade II Light duty flooring

Grade 111 Medium duty flooring

Grade IV Industrial factory flooring

1.2.1 Grades I and 11maybe used as polished flooring for light traffic or as an underlay to other floor coverings.

1.3 This standard does not cover special grades of bitumen-mastic flooring such as chemical resistant, oil resistant or spark free flooring; for these purposes special bitumen-mastics are available.

1.4 A guide to the selection of the appropriate grade is given in Annex A.