ASTM D1864/D1864M-89(2023)

Standard Test Method for Moisture in Mineral Aggregate Used on Built-Up Roofs

SIGNIFICANCE AND USE
4.1 This test method measures the moisture in mineral aggregate required by Specification D1863/D1863M.
SCOPE
1.1 This test method covers the determination of moisture in mineral aggregate for use on built-up roofs.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 30-Jun-2023
• ICS: 91.100.15 - Mineral materials and products
• Technical Committee: D08 - Roofing and Waterproofing
• Drafting Committee: D08.03 - Surfacing and Bituminous Materials for Membrane Waterproofing and Built-up Roofing

Relations

• Refers: ASTM D75/D75M-19 - Standard Practice for Sampling Aggregates
• Effective Date: 01-Nov-2019
• Refers: ASTM D1863/D1863M-05(2018) - Standard Specification for Mineral Aggregate Used on Built-Up Roofs
• Effective Date: 01-May-2018
• Refers: ASTM D75/D75M-13 - Standard Practice for Sampling Aggregates
• Effective Date: 15-Dec-2013
• Refers: ASTM D1863/D1863M-05(2011)e1 - Standard Specification for Mineral Aggregate Used on Built-Up Roofs
• Effective Date: 01-Nov-2011

Overview

ASTM D1864/D1864M-89(2023), Standard Test Method for Moisture in Mineral Aggregate Used on Built-Up Roofs, is an internationally recognized ASTM standard that outlines a precise, laboratory-based procedure for determining moisture content in mineral aggregates designated for built-up roofing systems. Accurate moisture assessment is vital for the performance and longevity of built-up roofs, as excess moisture can affect adhesion, durability, and weather resistance.

This test method is approved for use by agencies such as the U.S. Department of Defense and is directly aligned with ASTM’s globally acknowledged principles as recognized by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Key Topics

• Moisture Determination: Outlines standardized procedures for detecting and measuring moisture percentage in mineral aggregates.
• Materials and Equipment: Specifies requirements for balances, ovens, and containers used to achieve reliable test results.
• Sampling Guidelines: Details methods for collecting representative aggregate samples-whether received in bulk or containerized-according to established standards.
• Data Accuracy: Includes guidelines for calculating moisture content and acceptable limits of repeatability and reproducibility between test results.
• Units of Measurement: Supports both SI and inch-pound units, requiring that only one system be used for consistency.
• Compliance with Safety: Reminds users to establish appropriate safety, health, and environmental practices for their specific use cases.

Applications

The ASTM D1864/D1864M standard is essential for:

• Quality Control in Roofing: Verifying moisture content in mineral aggregates before use in built-up roofing to help ensure long-term system durability and performance.
• Material Acceptance: Providing a basis for acceptance or rejection of mineral aggregates as specified by standards such as ASTM D1863/D1863M.
• Standardized Construction Practices: Facilitating consistency for contractors, material suppliers, and specifiers by standardizing how aggregate moisture is measured.
• Regulatory Compliance: Meeting requirements set forth by building codes, project specifications, and governmental authorities, both domestically and internationally.

Related Standards

• ASTM D75/D75M: Practice for Sampling Aggregates - referenced for reliable sampling methods to ensure consistent test results.
• ASTM D1863/D1863M: Specification for Mineral Aggregate Used on Built-Up Roofs - sets the material requirements for the aggregates tested by this method.

Practical Value

By complying with ASTM D1864/D1864M, organizations in the roofing and construction industries benefit from:

• Improved Reliability: A clearer understanding of aggregate moisture ensures fewer installation failures and maintenance issues.
• Risk Reduction: Minimizing in-service problems related to water ingress or improper adhesion due to excessive moisture.
• Enhanced Durability: Optimizing built-up roof lifespans by ensuring only appropriately dried aggregate is used.
• International Trade Facilitation: Meeting globally recognized standardization requirements that enable smoother trade and specification compliance.

Keywords: ASTM D1864/D1864M, moisture in mineral aggregate, built-up roofs, roofing standards, aggregate moisture test, quality control in roofing, ASTM roofing standards, aggregate sampling, mineral aggregate for roofs, construction material standards.

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D1864/D1864M − 89 (Reapproved 2023)
Standard Test Method for
Moisture in Mineral Aggregate Used on Built-Up Roofs
This standard is issued under the fixed designation D1864/D1864M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 4. Significance and Use
1.1 This test method covers the determination of moisture 4.1 This test method measures the moisture in mineral
in mineral aggregate for use on built-up roofs. aggregate required by Specification D1863/D1863M.
1.2 The values stated in either SI units or inch-pound units
5. Apparatus
are to be regarded separately as standard. The values stated in
5.1 Balance, 1000 g [2.2 lb] capacity, sensitive to 0.01 % of
each system may not be exact equivalents; therefore, each
the capacity.
system shall be used independently of the other. Combining
values from the two systems may result in nonconformance 5.2 Oven, large enough to hold the sample and capable of
maintaining a temperature of 110 °C [230 °F] 6 1 %.
with the standard.
1.3 This standard does not purport to address all of the
5.3 Sample Container, consisting of an evaporating dish or
safety concerns, if any, associated with its use. It is the similar shallow container.
responsibility of the user of this standard to establish appro-
6. Sampling
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use. 6.1 Sample aggregates received in bulk in accordance with
1.4 This international standard was developed in accor- Practice D75/D75M.
dance with internationally recognized principles on standard-
6.2 For aggregates received in bags or small containers,
ization established in the Decision on Principles for the
select a number of bags or small containers at random,
Development of International Standards, Guides and Recom-
equivalent to the cube root of the total number in the shipment.
mendations issued by the World Trade Organization Technical
7. Procedure
Barriers to Trade (TBT) Committee.
7.1 Transfer to a tared dish 500 g [1 lb] 6 1 % of the
2. Referenced Documents
−4
aggregate, weighed to the nearest 2 × 0.1 g [10 lb]. Place in
2.1 ASTM Standards:
an oven at 110 °C [230 °F] for 4 h. Cool in a desiccator. Weigh
−4
D75/D75M Practice for Sampling Aggregates
to the nearest 2 × 0.1 g [10 lb]. Repeat the drying for 1 h
D1863/D1863M Specification for Mineral Aggregate Used
periods until constant mass is obtained.
on Built-Up Roofs
8. Calculation
3. Summary of Test Method
8.1 Calculate the percentage of moisture as follows:
3.1 The aggregate is dried to constant mass in a 110 °C
Moisture, % 5 @~B 2 C!/~C 2 A!# × 100 (1)
[230 °F] oven. The mass percent moisture is calculated as t
...