ASTM C1491-14 - 1.12.2014
 
1. Scope

1.1 This specification covers concrete roof pavers that are machine-made from hydraulic cement, water, and suitable mineral aggregates with or without the inclusion of other materials, for use as roof ballast and protection of roof membranes.

Note 1: The design of roof ballast systems for resisting wind uplift is beyond the scope of this specification. Building codes and other standards should be consulted in designing for wind uplift resistance.

1.2 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

 
2. Referenced Documents

C618-26

Standard Specification for Coal Ash and Raw or Calcined Natural Pozzolan for Use in Concrete

C989-10

Standard Specification for Slag Cement for Use in Concrete and Mortars

C1157-08

Standard Performance Specification for Hydraulic Cement

C1209-05

Standard Terminology of Concrete Masonry Units and Related Units

C331-05

Standard Specification for Lightweight Aggregates for Concrete Masonry Units

C33-07

Standard Specification for Concrete Aggregates

C140-13

Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units

C150-07

Standard Specification for Portland Cement

C595-08

Standard Specification for Blended Hydraulic Cements

C1232-26a

Standard Terminology for Masonry (Includes all amendments and changes 8/20/2026).

C1262-10

Standard Test Method for Evaluating the Freeze-Thaw Durability of Dry-Cast Segmental Retaining Wall Units and Related Concrete Units