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Standard Practice for Selection, Design, Installation, and Inspection of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs
Automaticky preložený názov:
Štandardná prax pre výber, dizajn , inštalácia a inšpekcie vodnej pary spomaľovače použiť v styku so Zemou alebo zrnitý Vyplňte Pod betónovými platňami
NORMA vydaná dňa 15.2.2009
Označenie normy: ASTM E1643-09
Poznámka: NEPLATNÁ
Dátum vydania normy: 15.2.2009
Kód tovaru: NS-42491
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
concrete slabs, vapor, vapor retarder, Aggregate fill, Concrete construction materials/applications, Concrete slabs, Earth, Granular fill, Installation--ground water/subsurface devices/applications, Prefabricated building materials/applications, Water vapor, Water vapor retarders
Significance and Use | ||||||||
Vapor retarders provide a method of limiting water vapor transmission and capillary transport of water upward through concrete slabs on grade, which can adversely affect floor finishes and interior humidity levels. Adverse impacts include adhesion loss, warping, peeling, and unacceptable appearance of resilient flooring; deterioration of adhesives, ripping or separation of seams, and air bubbles or efflorescence beneath seamed, continuous flooring; damage to flat electrical cable systems, buckling of carpet and carpet tiles, offensive odors, growth of fungi, and undesired increases to interior humidity levels. |
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1. Scope | ||||||||
1.1 This practice covers procedures for selecting, designing, installing, and inspecting flexible, prefabricated sheet membranes in contact with earth or granular fill used as vapor retarders under concrete slabs. 1.2 Conditions subject to frost and either heave or hydrostatic pressure, or both, are beyond the scope of this practice. Vapor retarders are not intended to provide a waterproofing function. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||
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