ASTM_D_1079_-_13e1.pdf

Designation:D1079131Standard Terminology Relating toRoofing and Waterproofing1This standard is issued under the fixed designation D1079;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEThe terms“seal”and“sealant”were editorially added in March 2013.1.Referenced Documents1.1 ASTM Standards:2C33 Specification for Concrete AggregatesC591 Specification for Unfaced Preformed Rigid CellularPolyisocyanurate Thermal InsulationC1289 Specification for Faced Rigid Cellular Polyisocyanu-rate Thermal Insulation BoardD312 Specification for Asphalt Used in RoofingD450 Specification for Coal-Tar Pitch Used in Roofing,Dampproofing,and WaterproofingD698 Test Methods for Laboratory Compaction Character-istics of Soil Using Standard Effort(12 400 ft-lbf/ft3(600kN-m/m3)D1557 Test Methods for Laboratory Compaction Character-istics of Soil Using Modified Effort(56,000 ft-lbf/ft3(2,700 kN-m/m3)D2822 Specification for Asphalt Roof Cement,Asbestos-ContainingD4022 Specification for Coal Tar Roof Cement,AsbestosContainingD4586 Specification for Asphalt Roof Cement,Asbestos-FreeD6136 Test Method for Kerosine Number of Unsaturated(Dry)Felt by Vacuum Method2.Terminology2.1 Definitions:accelerated weathering,vthe exposure of a specimen to aspecified test environment for a specified time with the intentof producing,in a shorter time period,effects similar toactual weathering.aggregate(1)crushed stone,crushed slag,or water-worngravel used for surfacing a built-up roof;(2)any granularmineral material.alligatoringthe cracking of the surfacing bitumen on abuilt-up roof,producing a pattern of cracks similar to analligators hide;the cracks may not extend through thesurfacing bitumen.anionic emulsionan emulsion in which the emulsifyingsystem establishes a predominance of negative charges onthe discontinuous phase.application ratethe quantity(mass,volume or thickness)ofmaterial applied per unit area.artificial weathering,vexposure to conditions,which maybe cyclic,involving temperature,relative humidity,radiantenergy,and/or any other conditions or pollutants found in theatmosphere in various geographical areas,which may accel-erate changes in properties of materials over those of naturalweather conditions.asbestosa group of natural fibrous impure silicate materials.asphalta dark brown to black cementitious material in whichthe predominating constituents are bitumens that occur innature or are obtained in petroleum processing.asphalt,air blownan asphalt produced by blowing airthrough molten asphalt at an elevated temperature to raise itssoftening point and modify other properties.asphaltenea high molecular weight hydrocarbon fractionprecipitated from asphalt by a designated paraffinic naphthasolvent at a specified temperature and solvent-asphalt ratio.DISCUSSIONThe asphaltene fraction should be identified by thetemperature and solvent-asphalt ratio used.asphalt feltan asphalt-saturated felt.asphaltitea natural asphalt found below ground level.asphalt mastica mixture of asphaltic material and gradedmineral aggregate that can be poured when heated,butrequires mechanical manipulation to apply.asphalt rock(rock asphalt)a naturally occurring rockformation,usually limestone or sandstone,containingthroughout its mass a minor amount of asphalt.1This terminology is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.01on Nomenclature,Definitions and Editorial.Current edition approved March 1,2013.Published March 2013.Originallyapproved in 1950.Last previous edition approved in 2010 as D1079 10.DOI:10.1520/D1079-13E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 asphalt roof cement,na trowelable mixture of asphalt,solvents,mineral stabilizers,fillers or fibers,or both.SeeSpecifications D2822 and D4586.asphalt roof cement,nsee flashing cement.asphalt,steam blownan asphalt produced by blowing steamthrough molten asphalt to modify its properties.backnailingthe practice of blind-nailing roofing felts to asubstrate in addition to hot-mopping to prevent slippage.bald roofSee smooth-surfaced roof.base plythe bottom or first ply in a built-up roofingmembrane when additional plies are to be subsequentlyinstalled.base sheeta product intended to be used as a base ply in abuilt-up roofing system.bitumen(1)a class of amorphous,black or dark-colored,(solid,semi-solid,or viscous)cementitious substances,natu-ral or manufactured,composed principally of high molecula