ASTM D6622/D6622M-20
(Guide)Standard Guide for Application of Fully Adhered Hot-Applied Reinforced Waterproofing Systems
Standard Guide for Application of Fully Adhered Hot-Applied Reinforced Waterproofing Systems
SIGNIFICANCE AND USE
5.1 This guide outlines general procedures and precautions for the application of fully adhered hot-applied built-up reinforced waterproofing systems.
5.2 This guide is not all inclusive and is intended only to supplement detailed instructions from designers, and the recommendations of manufacturers. Manufacturers of some of the systems addressed by this guide require proprietary products and special procedures not described in this guide. Manufacturers' recommendations should therefore be considered in the application of this guide.
5.3 For design guidelines, consult Guide C981.
SCOPE
1.1 This guide covers the minimum installation recommendations for fully adhered, hot-applied reinforced waterproofing systems on vertical and low-slope (plaza deck) surfaces.
1.2 For the purpose of this guide, the substrate is assumed to be concrete or masonry, structurally sound, able to accept the weight of anticipated loads, and meets the local building code requirements. Similarly, all components of the waterproofing system are assumed to comply with any federal, state, and local environmental regulations that may be in effect at the time of installation. Expansion joints, insulation, drainage layers, and overburden are beyond the scope of this guide.
1.3 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.
1.4 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, health, and environmental practices and determine the applicability of regulatory requirements prior to use.
1.5 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
- 31-Jul-2020
- Technical Committee
- D08 - Roofing and Waterproofing
- Drafting Committee
- D08.22 - Waterproofing and Dampproofing Systems
Relations
- Effective Date
- 01-Aug-2020
- Effective Date
- 01-May-2024
- Effective Date
- 01-May-2020
- Effective Date
- 01-May-2020
- Effective Date
- 01-May-2020
- Effective Date
- 01-May-2020
- Effective Date
- 15-Dec-2018
- Effective Date
- 15-Dec-2018
- Effective Date
- 01-Sep-2018
- Effective Date
- 01-Aug-2018
- Effective Date
- 01-Jul-2018
- Effective Date
- 01-May-2018
- Effective Date
- 01-May-2018
- Effective Date
- 01-May-2018
- Effective Date
- 01-May-2018
Overview
ASTM D6622/D6622M-20: Standard Guide for Application of Fully Adhered Hot-Applied Reinforced Waterproofing Systems establishes minimum recommendations for installing fully adhered, hot-applied reinforced waterproofing systems. This guide applies to vertical and low-slope (plaza deck) surfaces and is crucial for ensuring reliable and consistent waterproofing installations in commercial, industrial, and institutional buildings. By following this guide, specifiers, designers, and contractors help improve moisture protection, reduce risk of system failure, and comply with recognized industry standards.
Key Topics
- System Types: Categorizes waterproofing systems by material composition, covering hot-applied coal tar, asphalt, modified bitumen, and polymer-modified asphalt with various reinforcement fabrics.
- Substrate Requirements: Assumes the substrate is concrete or masonry-structurally sound and compliant with local code requirements.
- Installation Practices:
- Proper storage, handling, and delivery of materials to maintain integrity.
- Surface preparation, including cleaning, priming, and patching to optimize adhesion and performance.
- Application techniques for both vertical and low-slope surfaces, emphasizing ply placement, bitumen heating, and lap detailing.
- Integration of manufacturer recommendations and product-specific details for proprietary systems.
- Safety & Environmental Considerations: Reminds users to establish safety, health, and environmental practices tailored to jobsite-specific and regulatory requirements.
- Inspection & Testing: Recommends ongoing quality assurance, flood testing, and repairs as needed for waterproofing verification before final covering.
- Units of Measurement: Recognizes both SI and inch-pound units as standard, but each must be used independently to avoid compliance issues.
Applications
The ASTM D6622/D6622M-20 standard is widely used across building and construction sectors where robust waterproofing is vital, including:
- Plaza Decks and Podium Floors: Preventing water infiltration into below-grade or sensitive areas.
- Concrete and Masonry Walls: Providing long-term protection for vertical surfaces against moisture ingress.
- Structural Foundations and Tunnels: Offering reliable waterproofing beneath grade or in high-moisture environments.
- Commercial Roofing: Ensuring that low-slope roofs meet waterproofing performance and fire safety standards.
This guide is particularly valuable for general contractors, waterproofing installers, architects, building owners, and construction specifiers seeking to align with industry best practices and regulatory requirements.
Related Standards
To implement ASTM D6622/D6622M-20 effectively and achieve comprehensive waterproofing, several related ASTM standards and resources may be consulted:
- ASTM C981: Guide for design of built-up bituminous membrane waterproofing systems.
- ASTM D5295/D5295M: Guide for preparation of concrete surfaces for adhered membrane waterproofing systems.
- ASTM D5898/D5898M: Guide for standard details for adhered sheet waterproofing.
- ASTM D5957: Guide for flood testing horizontal waterproofing installations.
- ASTM D6451/D6451M: Guide for application of asphalt based protection board.
- Material Specifications: Including standards for primers (ASTM D41/D41M, D43/D43M), asphalt and coal tar products (ASTM D450/D450M, D449/D449M), and reinforcement materials.
Practical Value
Following ASTM D6622/D6622M-20 increases the likelihood of durable and effective waterproofing performance for both new construction and renovation projects. The standard provides a uniform approach that supports code compliance, helps avoid common defects, and facilitates communication among stakeholders. Adherence reduces liability by establishing a verifiable quality baseline for hot-applied waterproofing installations.
By referencing this ASTM guide and related standards, professionals in the construction industry ensure consistency, safety, and long-term value in waterproofing applications, raising the standard for workmanship and material selection.
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Frequently Asked Questions
ASTM D6622/D6622M-20 is a guide published by ASTM International. Its full title is "Standard Guide for Application of Fully Adhered Hot-Applied Reinforced Waterproofing Systems". This standard covers: SIGNIFICANCE AND USE 5.1 This guide outlines general procedures and precautions for the application of fully adhered hot-applied built-up reinforced waterproofing systems. 5.2 This guide is not all inclusive and is intended only to supplement detailed instructions from designers, and the recommendations of manufacturers. Manufacturers of some of the systems addressed by this guide require proprietary products and special procedures not described in this guide. Manufacturers' recommendations should therefore be considered in the application of this guide. 5.3 For design guidelines, consult Guide C981. SCOPE 1.1 This guide covers the minimum installation recommendations for fully adhered, hot-applied reinforced waterproofing systems on vertical and low-slope (plaza deck) surfaces. 1.2 For the purpose of this guide, the substrate is assumed to be concrete or masonry, structurally sound, able to accept the weight of anticipated loads, and meets the local building code requirements. Similarly, all components of the waterproofing system are assumed to comply with any federal, state, and local environmental regulations that may be in effect at the time of installation. Expansion joints, insulation, drainage layers, and overburden are beyond the scope of this guide. 1.3 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. 1.4 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, health, and environmental practices and determine the applicability of regulatory requirements prior to use. 1.5 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 5.1 This guide outlines general procedures and precautions for the application of fully adhered hot-applied built-up reinforced waterproofing systems. 5.2 This guide is not all inclusive and is intended only to supplement detailed instructions from designers, and the recommendations of manufacturers. Manufacturers of some of the systems addressed by this guide require proprietary products and special procedures not described in this guide. Manufacturers' recommendations should therefore be considered in the application of this guide. 5.3 For design guidelines, consult Guide C981. SCOPE 1.1 This guide covers the minimum installation recommendations for fully adhered, hot-applied reinforced waterproofing systems on vertical and low-slope (plaza deck) surfaces. 1.2 For the purpose of this guide, the substrate is assumed to be concrete or masonry, structurally sound, able to accept the weight of anticipated loads, and meets the local building code requirements. Similarly, all components of the waterproofing system are assumed to comply with any federal, state, and local environmental regulations that may be in effect at the time of installation. Expansion joints, insulation, drainage layers, and overburden are beyond the scope of this guide. 1.3 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. 1.4 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, health, and environmental practices and determine the applicability of regulatory requirements prior to use. 1.5 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 D6622/D6622M-20 is classified under the following ICS (International Classification for Standards) categories: 91.100.50 - Binders. Sealing materials. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D6622/D6622M-20 has the following relationships with other standards: It is inter standard links to ASTM D6622/D6622M-01(2018)e1, ASTM D43/D43M-00(2024), ASTM D4990-97a(2020), ASTM C981-20, ASTM D1079-20, ASTM D1327/D1327M-04(2020), ASTM D1079-18, ASTM D1079-18e1, ASTM D227/D227M-03(2018), ASTM D6152/D6152M-12(2018), ASTM D173/D173M-03(2018), ASTM D43/D43M-00(2018), ASTM D5643/D5643M-06(2018), ASTM D4586/D4586M-07(2018), ASTM D450/D450M-07(2018). Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D6622/D6622M-20 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:D6622/D6622M −20
Standard Guide for
Application of Fully Adhered Hot-Applied Reinforced
Waterproofing Systems
This standard is issued under the fixed designation D6622/D6622M; 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 2. Referenced Documents
2.1 ASTM Standards:
1.1 This guide covers the minimum installation recommen-
C981 Guide for Design of Built-Up Bituminous Membrane
dations for fully adhered, hot-applied reinforced waterproofing
Waterproofing Systems for Building Decks
systems on vertical and low-slope (plaza deck) surfaces.
D41/D41M Specification for Asphalt Primer Used in
1.2 Forthepurposeofthisguide,thesubstrateisassumedto
Roofing, Dampproofing, and Waterproofing
be concrete or masonry, structurally sound, able to accept the
D43/D43M Specification for Coal Tar Primer Used in
weight of anticipated loads, and meets the local building code Roofing, Dampproofing, and Waterproofing
requirements. Similarly, all components of the waterproofing D173/D173M Specification for Bitumen-Saturated Cotton
Fabrics Used in Roofing and Waterproofing
systemareassumedtocomplywithanyfederal,state,andlocal
D226/D226M Specification for Asphalt-Saturated Organic
environmental regulations that may be in effect at the time of
Felt Used in Roofing and Waterproofing
installation. Expansion joints, insulation, drainage layers, and
D227/D227M Specification for Coal-Tar-Saturated Organic
overburden are beyond the scope of this guide.
Felt Used in Roofing and Waterproofing
1.3 The values stated in either SI units or inch-pound units
D449/D449M Specification forAsphalt Used in Dampproof-
are to be regarded separately as standard. The values stated in
ing and Waterproofing
each system may not be exact equivalents; therefore, each
D450/D450M Specification for Coal-Tar Pitch Used in
system shall be used independently of the other. Combining
Roofing, Dampproofing, and Waterproofing
values from the two systems may result in nonconformance
D1079 Terminology Relating to Roofing and Waterproofing
with the standard.
D1327/D1327M SpecificationforBitumen-SaturatedWoven
Burlap Fabrics Used in Roofing and Waterproofing
1.4 This standard does not purport to address all of the
D1668/D1668M Specification for Glass Fabrics (Woven and
safety concerns, if any, associated with its use. It is the
Treated) for Roofing and Waterproofing
responsibility of the user of this standard to establish appro-
D2178/D2178M SpecificationforAsphaltGlassFeltUsedin
priate safety, health, and environmental practices and deter-
Roofing and Waterproofing
mine the applicability of regulatory requirements prior to use.
D4586/D4586M Specification for Asphalt Roof Cement,
1.5 This international standard was developed in accor-
Asbestos-Free
dance with internationally recognized principles on standard-
D4990 Specification for Coal-Tar Glass Felt Used in Roof-
ization established in the Decision on Principles for the
ing and Waterproofing
Development of International Standards, Guides and Recom-
D5295/D5295M Guide for Preparation of Concrete Surfaces
mendations issued by the World Trade Organization Technical
for Adhered (Bonded) Membrane Waterproofing Systems
Barriers to Trade (TBT) Committee.
D5643/D5643M Specification for Coal Tar Roof Cement,
Asbestos Free
D5898/D5898M Guide for Standard Details for Adhered
Sheet Waterproofing
D5957 Guide for Flood Testing Horizontal Waterproofing
Installations
This guide is under the jurisdiction of ASTM Committee D08 on Roofing and
Waterproofing and is the direct responsibility of Subcommittee D08.22 on Water-
proofing and Dampproofing Systems. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Aug. 1, 2020. Published August 2020. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2001. Last previous edition approved in 2018 as D6622/D6622M – 01 Standards volume information, refer to the standard’s Document Summary page on
ɛ1
(2018) . DOI: 10.1520/D6622_D6622M-20. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D6622/D6622M−20
D6152/D6152M Specification for SEBS-Modified Mopping 6. Delivery of Materials
Asphalt Used in Roofing
6.1 Deliver materials in the manufacturer’s original un-
D6162/D6162M Specification for Styrene Butadiene Sty-
opened packages and containers.
rene (SBS) Modified Bituminous Sheet Materials Using a
6.2 All materials or material packaging must be clearly
Combination of Polyester and Glass Fiber Reinforcements
marked in a weather-resistant manner with type, stock, or lot
D6163/D6163M Specification for Styrene Butadiene Sty-
number, and other pertinent information, for example, size,
rene (SBS) Modified Bituminous Sheet Materials Using
manufacturer’s name, ASTM specification, flash point,
Glass Fiber Reinforcements
equiviscous temperature, or other application information.
D6164/D6164M Specification for Styrene Butadiene Sty-
rene (SBS) Modified Bituminous Sheet Materials Using
7. Storage and Handling of Materials
Polyester Reinforcements
7.1 Store materials on raised platforms or pallets. Store rolls
D6451/D6451M Guide for Application of Asphalt Based
vertically or horizontally, as recommended by the roll manu-
Protection Board
facturer. Store materials in a dry, ventilated, and weatherproof
D6506/D6506M Specification for Asphalt Based Protection
location. Avoid damage or embedment of foreign materials.
Board for Below-Grade Waterproofing
7.2 Store materials to prevent system supplier’s markings
2.2 Other Documents:
from being destroyed.
CAN/CGSB-37.50 Hot-Applied, Rubberized Asphalt for
Roofing and Waterproofing
7.3 When used as part of the system, store primer and
CAN/CGSB-37.51 Application for Hot-Applied Rubberized
mastic in tightly closed original containers at temperatures
Asphalt for Roofing and Waterproofing
recommended by the system supplier.
8. Safety Precautions
3. Terminology
8.1 Safety precautions include, but are not limited to: wear
3.1 Definitions—For definitions of terms used in this guide,
protective clothing, vent fumes especially in confined spaces,
refer to Terminology D1079.
avoidcontactwithhotbitumen,donotuseflammablematerials
near an open flame or near equipment that may produce sparks
4. Classification
or open flames. Obtain and refer to MSDSs for further safety
4.1 The following types are used to identify the waterproof-
precautions.
ing systems included in this guide.
4.1.1 Type I—Membranes consisting of hot-applied coal tar
9. Environmental Conditions
pitch, and two or more layers of organic or inorganic felts or
9.1 Installation can proceed when conditions agreed upon
fabrics.
by the owner, producer or system supplier, installer, and
4.1.2 Type II—Membranes consisting of hot-applied
specifier are met.
asphalt, and two or more layers of organic or inorganic felts or
9.2 Conditions that may interfere with the installation and
fabrics.
performance of the waterproofing include: inclement weather,
4.1.3 Type III—Membranes consisting of hot-applied as-
wet or frost-covered surfaces, dirty or dusty surfaces, high
phalt or polymer-modified asphalt, and one or more polymer-
winds, and temperatures above or below a workable range for
modified bitumen sheets. The sheets are typically SBS-
the products to be installed.
modified bitumen and may be reinforced with fiberglass or
polyester, or both.
10. Materials
4.1.4 Type IV—Membranes consisting of hot-applied
10.1 Type I:
polymer-modified asphalt, and fabric reinforcement.
10.1.1 Coal-tar primer: Specification D43/D43M.
10.1.2 Coal-tar pitch: Specification D450/D450M.
5. Significance and Use
10.1.3 Felts: Specification D227/D227M or D4990.
5.1 This guide outlines general procedures and precautions
10.1.4 Coal-tar-treated glass fabric: Specification D1668/
for the application of fully adhered hot-applied built-up rein-
D1668M
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation: D6622/D6622M − 01 (Reapproved 2018) D6622/D6622M − 20
Standard Guide for
Application of Fully Adhered Hot-Applied Reinforced
Waterproofing Systems
This standard is issued under the fixed designation D6622/D6622M; 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.
ε NOTE—Units information was editorially corrected in January 2018.
1. Scope
1.1 This guide covers the minimum installation recommendations for fully adhered, hot-applied reinforced waterproofing systems
on vertical and low-slope (plaza deck) surfaces.
1.2 For the purpose of this guide, the substrate is assumed to be concrete or masonry, structurally sound, able to accept the weight
of anticipated loads, and meets the local building code requirements. Similarly, all components of the waterproofing system are
assumed to comply with any federal, state, and local environmental regulations that may be in effect at the time of installation.
Expansion joints, insulation, drainage layers, and overburden are beyond the scope of this guide.
1.3 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 non-conformancenonconformance with the 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, health, and environmental practices and determine the applicability of
regulatory requirements prior to use.
1.5 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.
2. Referenced Documents
2.1 ASTM Standards:
C981 Guide for Design of Built-Up Bituminous Membrane Waterproofing Systems for Building Decks
D41/D41M Specification for Asphalt Primer Used in Roofing, Dampproofing, and Waterproofing
D43/D43M Specification for Coal Tar Primer Used in Roofing, Dampproofing, and Waterproofing
D173/D173M Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing
D226/D226M Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing
D227/D227M Specification for Coal-Tar-Saturated Organic Felt Used in Roofing and Waterproofing
D449/D449M Specification for Asphalt Used in Dampproofing and Waterproofing
This guide is under the jurisdiction of ASTM Committee D08 on Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.22 on Waterproofing
and Dampproofing Systems.
Current edition approved Jan. 1, 2018Aug. 1, 2020. Published January 2018August 2020. Originally approved in 2001. Last previous edition approved in 20092018 as
ɛ1
D6622 – 01 (2009).D6622/D6622M – 01 (2018) . DOI: 10.1520/D6622_D6622M-01R18E01.10.1520/D6622_D6622M-20.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D6622/D6622M − 20
D450/D450M Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
D1079 Terminology Relating to Roofing and Waterproofing
D1327/D1327M Specification for Bitumen-Saturated Woven Burlap Fabrics Used in Roofing and Waterproofing
D1668/D1668M Specification for Glass Fabrics (Woven and Treated) for Roofing and Waterproofing
D2178/D2178M Specification for Asphalt Glass Felt Used in Roofing and Waterproofing
D2822/D2822M Specification for Asphalt Roof Cement, Asbestos-Containing (Withdrawn 2016)
D4022/D4022M Specification for Coal Tar Roof Cement, Asbestos Containing (Withdrawn 2014)
D4586/D4586M Specification for Asphalt Roof Cement, Asbestos-Free
D4990 Specification for Coal-Tar Glass Felt Used in Roofing and Waterproofing
D5295D5295/D5295M Guide for Preparation of Concrete Surfaces for Adhered (Bonded) Membrane Waterproofing Systems
D5643/D5643M Specification for Coal Tar Roof Cement, Asbestos Free
D5726 Specification for Thermoplastic Fabrics Used in Hot-Applied Roofing and Waterproofing
D5898/D5898M Guide for Standard Details for Adhered Sheet Waterproofing
D5957 Guide for Flood Testing Horizontal Waterproofing Installations
D6152/D6152M Specification for SEBS-Modified Mopping Asphalt Used in Roofing
D6162/D6162M Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials Using a Combination
of Polyester and Glass Fiber Reinforcements
D6163/D6163M Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials Using Glass Fiber
Reinforcements
D6164/D6164M Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials Using Polyester
Reinforcements
D6451/D6451M Guide for Application of Asphalt Based Protection Board
D6506/D6506M Specification for Asphalt Based Protection Board for Below-Grade Waterproofing
2.2 Other Documents:
CAN/CGSB-37.50 Hot-Applied, Rubberized Asphalt for Roofing and Waterproofing
CAN/CGSB-37.51 Application for Hot-Applied Rubberized Asphalt for Roofing and Waterproofing
3. Terminology
3.1 Definitions—For definitions of terms used in this guide, refer to Terminology D1079.
4. Classification
4.1 The following types are used to identify the waterproofing systems included in this guide.
4.1.1 Type I—Membranes consisting of hot-applied coal tar pitch, and two or more layers of organic or inorganic felts or fabrics.
4.1.2 Type II—Membranes consisting of hot-applied asphalt, and two or more layers of organic or inorganic felts or fabrics.
4.1.3 Type III—Membranes consisting of hot-applied asphalt or polymer-modified asphalt, and one or more polymer-modified
bitumen sheets. The sheets are typically SBS-modified bitumen and may be reinforced with fiberglass,fiberglass or polyester, or
both.
4.1.4 Type IV—Membranes consisting of hot-applied polymer-modified asphalt, and fabric reinforcement.
5. Significance and Use
5.1 This guide outlines general procedures and precautions for the application of fully adhered hot-applied built-up reinforced
waterproofing systems.
5.2 This guide is not all inclusive and is intended only to supplement detailed instructions from designers, and the
recommendations of manufacturers. Manufacturers of some of the systems addressed by this guide require proprietary products
and special procedures not described in this guide. Manufacturers’ recommendations should therefore be considered in the
application of this guide.
Canadian General Standards Board, Ottawa, Canada K1A 1G6.
D6622/D6622M − 20
5.3 For design guidelines, consult Guide C981.
6. Delivery of Materials
6.1 Deliver materials in the manufacturer’s original unopened packages and containers.
6.2 All materials or material packaging must be clearly marked in a weather-resistant manner with type, stock, or lot number, and
other pertinent information, for example, size, manufacturer’s name, ASTM specification, flash point, equiviscous temperature, or
other application information.
7. Storage and Handling of Materials
7.1 Store materials on raised platforms or pallets. Store rolls vertically or horizontally, as recommended by the roll manufacturer.
Store materials in a dry, ventilated, and weatherproof location. Avoid damage or embedment of foreign materials.
7.2 Store materials to prevent system supplier’s markings from being destroyed.
7.3 When used as part of the system, store primer and mastic in tightly closed original containers at temperatures recommended
by the system supplier.
8. Safety Precautions
8.1 Safety precautions include, but are not limited to: wear protective clothing, vent fumes especially in confined spaces, avoid
contact with hot bitumen, do not use flammable materials near an open flame or near equipment that may produce sparks or open
flames. Obtain and refer t
...
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