ASTM D6451/D6451M-99(2021)
(Guide)Standard Guide for Application of Asphalt-Based Protection Board
Standard Guide for Application of Asphalt-Based Protection Board
SIGNIFICANCE AND USE
4.1 This guide outlines general procedures for the storage and application of semi-rigid protection board to below-grade and below wearing surface waterproofing. The proper application is necessary to prevent damage to the waterproofing membrane during backfilling, paving, or other construction operations, as well as to minimize the effects of soil stresses.
4.2 This guide is intended to supplement instructions from designers and manufacturers.
SCOPE
1.1 This guide lists minimum application and installation requirements for semi-rigid protection board when used as protection for below-grade or below wearing surface (like plaza decks) waterproofing.
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. For specific precautionary statements, see Section 8.
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-Nov-2021
- Technical Committee
- D08 - Roofing and Waterproofing
- Drafting Committee
- D08.22 - Waterproofing and Dampproofing Systems
Relations
- Effective Date
- 01-May-2020
- Effective Date
- 15-Dec-2018
- Effective Date
- 15-Dec-2018
- Effective Date
- 01-Feb-2016
- Effective Date
- 01-Mar-2013
- Effective Date
- 01-Mar-2013
- Effective Date
- 01-Sep-2010
- Effective Date
- 01-Jul-2009
- Effective Date
- 01-Feb-2008
- Effective Date
- 01-Jan-2008
- Effective Date
- 01-Jun-2007
- Effective Date
- 15-Jan-2007
- Effective Date
- 01-Aug-2006
- Effective Date
- 15-Sep-2005
- Effective Date
- 01-Jul-2005
Overview
ASTM D6451/D6451M-99(2021): Standard Guide for Application of Asphalt-Based Protection Board provides essential guidance for the storage, application, and installation of semi-rigid asphalt-based protection boards. These protection boards are primarily used as a safeguard for below-grade and below wearing surface waterproofing systems, such as those found in plaza decks and foundations. Proper installation is critical to prevent damage during backfilling, paving, or other construction operations and to minimize adverse effects from soil stresses.
This international standard was developed in line with globally recognized principles, ensuring compatibility and quality for construction projects requiring reliable waterproofing protection.
Key Topics
Minimum Application and Installation Requirements
The guide specifies the essential steps and quality controls for installing semi-rigid asphalt-based protection boards over waterproofing membranes.Storage and Handling Procedures
- Store protection boards horizontally in original packaging to prevent deformation.
- Protect from direct sunlight, precipitation, dust, and other contaminants.
- Store adhesives and mastics as per the manufacturer’s recommendations.
Material Compatibility
- Only use adhesives, mastics, and tapes recommended by waterproofing membrane manufacturers.
- Ensure full material compatibility to avoid compromising the waterproofing system.
Safety and Environmental Practices
- Store and handle flammable materials safely, away from open flames or spark-producing equipment.
- Install protection boards under conditions recommended by suppliers to ensure quality and safety.
Installation Practices
- Boards must be installed within 24 hours of waterproofing membrane application or once the membrane is fully cured and, if flood tested, after the surface is clean and dry.
- Apply boards in a “common bond brick pattern” with tightly butted joints, ensuring no unprotected areas remain.
- Maximum allowable gap between boards is 3 mm (1/8 in.).
- Special precautions are outlined for inside/outside angles, penetrations, and areas with protrusions or drains.
Inspection and Repair
- Inspect applications to ensure complete waterproofing protection before any backfilling or surfacing.
- Promptly cover any unprotected areas.
Applications
ASTM D6451/D6451M is widely used across construction projects involving waterproofing systems, offering practical value in:
- Below-Grade Waterproofing
- Foundations and basement walls benefit from added protection against soil pressure and construction activities.
- Plaza Decks and Parking Structures
- Safeguarding horizontal waterproofing membranes below walking or driving surfaces.
- Roofing and Waterproofing Renovations
- Supplementing manufacturer and designer installation guidelines for new applications or repairs.
- Civil Infrastructure
- Protecting critical water-resistant membranes in tunnels, retaining walls, and similar structures.
By following ASTM D6451/D6451M, construction teams help prolong the life of waterproofing systems, prevent avoidable membrane damage, and ensure long-term structural integrity.
Related Standards
For comprehensive waterproofing protection solutions, reference these associated ASTM standards:
- ASTM D1079 - Terminology Relating to Roofing and Waterproofing
- ASTM D5957 - Guide for Flood Testing Horizontal Waterproofing Installations
These related documents provide definitions, testing procedures, and foundational guidance for waterproofing materials and installation.
Keywords: asphalt-based protection board, membrane waterproofing, installation guide, below-grade waterproofing, ASTM standards, protection board application, construction waterproofing, building envelope protection.
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Frequently Asked Questions
ASTM D6451/D6451M-99(2021) is a guide published by ASTM International. Its full title is "Standard Guide for Application of Asphalt-Based Protection Board". This standard covers: SIGNIFICANCE AND USE 4.1 This guide outlines general procedures for the storage and application of semi-rigid protection board to below-grade and below wearing surface waterproofing. The proper application is necessary to prevent damage to the waterproofing membrane during backfilling, paving, or other construction operations, as well as to minimize the effects of soil stresses. 4.2 This guide is intended to supplement instructions from designers and manufacturers. SCOPE 1.1 This guide lists minimum application and installation requirements for semi-rigid protection board when used as protection for below-grade or below wearing surface (like plaza decks) waterproofing. 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. For specific precautionary statements, see Section 8. 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.
SIGNIFICANCE AND USE 4.1 This guide outlines general procedures for the storage and application of semi-rigid protection board to below-grade and below wearing surface waterproofing. The proper application is necessary to prevent damage to the waterproofing membrane during backfilling, paving, or other construction operations, as well as to minimize the effects of soil stresses. 4.2 This guide is intended to supplement instructions from designers and manufacturers. SCOPE 1.1 This guide lists minimum application and installation requirements for semi-rigid protection board when used as protection for below-grade or below wearing surface (like plaza decks) waterproofing. 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. For specific precautionary statements, see Section 8. 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.
ASTM D6451/D6451M-99(2021) is classified under the following ICS (International Classification for Standards) categories: 91.060.99 - Other elements of buildings. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D6451/D6451M-99(2021) has the following relationships with other standards: It is inter standard links to ASTM D1079-20, ASTM D1079-18, ASTM D1079-18e1, ASTM D1079-16, ASTM D1079-13, ASTM D1079-13e1, ASTM D1079-10, ASTM D1079-09, ASTM D1079-08a, ASTM D1079-08, ASTM D1079-07a, ASTM D1079-07, ASTM D1079-06, ASTM D1079-05a, ASTM D5957-98(2005). Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D6451/D6451M-99(2021) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
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: D6451/D6451M − 99 (Reapproved 2021)
Standard Guide for
Application of Asphalt-Based Protection Board
This standard is issued under the fixed designation D6451/D6451M; 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.
1. Scope 4. Significance and Use
4.1 This guide outlines general procedures for the storage
1.1 This guide lists minimum application and installation
and application of semi-rigid protection board to below-grade
requirements for semi-rigid protection board when used as
protection for below-grade or below wearing surface (like and below wearing surface waterproofing. The proper applica-
tion is necessary to prevent damage to the waterproofing
plaza decks) waterproofing.
membrane during backfilling, paving, or other construction
1.2 The values stated in either SI units or inch-pound units
operations, as well as to minimize the effects of soil stresses.
are to be regarded separately as standard. The values stated in
4.2 This guide is intended to supplement instructions from
each system may not be exact equivalents; therefore, each
designers and manufacturers.
system shall be used independently of the other. Combining
values from the two systems may result in nonconformance
5. Delivery of Materials
with the standard.
5.1 Deliver materials in supplier’s original containers and
1.3 This standard does not purport to address all of the
packaging.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 6. Storage and Handling
priate safety, health, and environmental practices and deter-
6.1 Store adhesive and mastic in tightly closed original
mine the applicability of regulatory limitations prior to use.
containers under conditions as recommended by the manufac-
For specific precautionary statements, see Section 8.
turer.
1.4 This international standard was developed in accor-
6.2 Store the protection board in supplier’s original pack-
dance with internationally recognized principles on standard-
aging in a horizontal position to prevent deformation. Protect
ization established in the Decision on Principles for the
against exposure to direct sunlight, precipitation, dust, and
Development of International Standards, Guides and Recom-
other such contaminants.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
7. Materials
7.1 Adhesive, when used, must be acceptable to or have
2. Referenced Documents
been recommended by the waterproofing membrane manufac-
2.1 ASTM Standards:
turer or supplier and further must be fully compatible with the
D1079 Terminology Relating to Roofing and Waterproofing
membrane and the asphalt protection board.
D5957 Guide for Flood Testing Horizontal Waterproofing
7.2 Mastic or tape, or both (if used on the joints), must be
Installations
acceptable to or have been recommended by the waterproofing
membrane manufacturer or supplier and further be fully
3. Terminology
compatible with the membrane and the asphalt protection
3.1 Definitions—For definitions of terms relating to
board.
waterproofing, see Terminology D1079.
8. Safety Precautions
8.1 Store flammable materials in a manner that will not pose
This guide is under the jurisdiction of ASTM Committee D08 on Roofing and
a fire hazard. Solvent bearing adhesives may be flammable. Do
Waterproofing and is the direct responsibility of Subcommittee D08.22 on Water-
not use flammable materials near an open flame or equipment
proofing and Dampproofing Systems.
that may produce sparks.
Current edition approved Dec. 1, 2021. Published December 2021. Originally
approved in 1999. Last previous edition approved in 2014 as D6451/D6451M – 99
ɛ1
9. Environmental Conditions at Time of Application
(2014) . DOI: 10.1520/D6451_D6451M-99R21.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
9.1 Environmental conditions under which installation may
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
proceed shall be as recommended by the suppliers of the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. adhesive and the protection board.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D6451/D6451M − 99 (2021)
10. Substrate Preparation 11.3.1 The protection board is to be applied with the long
axis of the board going up the slope. The joints in the
10.1 The waterproofing membrane must be clean and suf-
cross-the-slope direction shall be aligned while the up-slope
ficiently dry so as not to interfere with adhesion of the
joints shall be in a stacked brick pattern, with joints centered
protection board.
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