Terminology Relating to Roofing and Waterproofing

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31-May-2007
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ASTM D1079-07a - Terminology Relating to Roofing and Waterproofing
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 1079 – 07a
Standard Terminology Relating to
1
Roofing and Waterproofing
This standard is issued under the fixed designation D1079; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Referenced Documents alligatoring—the cracking of the surfacing bitumen on a
2 built-up roof, producing a pattern of cracks similar to an
1.1 ASTM Standards:
alligator’s hide; the cracks may not extend through the
C33 Specification for Concrete Aggregates
surfacing bitumen.
C591 Specification for Unfaced Preformed Rigid Cellular
anionic emulsion—an emulsion in which the emulsifying
Polyisocyanurate Thermal Insulation
system establishes a predominance of negative charges on
C1289 Specification for Faced Rigid Cellular Polyisocya-
the discontinuous phase.
nurate Thermal Insulation Board
application rate—the quantity (mass, volume or thickness) of
D312 Specification for Asphalt Used in Roofing
material applied per unit area.
D450 Specification for Coal-Tar Pitch Used in Roofing,
artificial weathering, v—exposure to conditions, which may
Dampproofing, and Waterproofing
be cyclic, involving temperature, relative humidity, radiant
D698 Test Methods for Laboratory Compaction Character-
3
energy,and/oranyotherconditionsorpollutantsfoundinthe
istics of Soil Using Standard Effort (12,400 ft-lbf/ft (600
3
atmosphere in various geographical areas, which may accel-
kN-m/m ))
erate changes in properties of materials over those of natural
D727 Test Method for Kerosine Number of Roofing and
weather conditions.
Flooring Felt by the Vacuum Method
asbestos—a group of natural fibrous impure silicate materials.
D1557 Test Methods for Laboratory Compaction Charac-
3
asphalt—adarkbrowntoblackcementitiousmaterialinwhich
teristics of Soil Using Modified Effort (56,000 ft-lbf/ft
3
the predominating constituents are bitumens that occur in
(2,700 kN-m/m ))
nature or are obtained in petroleum processing.
D2822 Specification for Asphalt Roof Cement, Asbestos-
asphalt, air blown—an asphalt produced by blowing air
Containing
throughmoltenasphaltatanelevatedtemperaturetoraiseits
D4022 Specification for Coal Tar Roof Cement, Asbestos
softening point and modify other properties.
Containing
asphaltene—a high molecular weight hydrocarbon fraction
D4586 Specification for Asphalt Roof Cement, Asbestos-
precipitated from asphalt by a designated paraffinic naphtha
Free
solvent at a specified temperature and solvent-asphalt ratio.
2. Terminology
DISCUSSION—The asphaltene fraction should be identified by the
2.1 Definitions:
temperature and solvent-asphalt ratio used.
accelerated weathering, v—the exposure of a specimen to a
asphalt felt—an asphalt-saturated felt.
specifiedtestenvironmentforaspecifiedtimewiththeintent asphalt, steam blown—anasphaltproducedbyblowingsteam
of producing, in a shorter time period, effects similar to
through molten asphalt to modify its properties.
actual weathering. asphaltite—a natural asphalt found below ground level.
aggregate—(1) crushed stone, crushed slag, or water-worn
asphalt mastic—a mixture of asphaltic material and graded
gravel used for surfacing a built-up roof; mineral aggregate that can be poured when heated, but
(2) any granular mineral material.
requires mechanical manipulation to apply.
asphalt rock (rock asphalt)—a naturally occurring rock
formation, usually limestone or sandstone, containing
1
This terminology is under the jurisdiction of ASTM Committee D08 on
throughout its mass a minor amount of asphalt.
RoofingandWaterproofingandisthedirectresponsibilityofSubcommitteeD08.01
asphalt roof cement, n—a trowelable mixture of asphalt,
on Nomenclature, Definitions and Editorial.
solvents, mineral stabilizers, fillers or fibers, or both. See
Current edition approved June 1, 2007. Published June 2007. Originally
approved in 1950. Last previous edition approved in 2007 as D1079–07.
Specifications D2822 and D4586.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
asphalt roof cement, n—see flashing cement.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
backnailing—the practice of blind-nailing roofing felts to a
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. substrate in addition to hot-mopping to prevent slippage.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D 1079 – 07a
bald roof—See smooth-surfaced roof. cant strip—a beveled strip used under flashings to modify the
base ply—the bottom or first ply in a built-u
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